Los Angeles Weather in September
- Latitude: 34.0537°
- Longitude: -118.2427°
- Country: United States of America
Are you planning a holiday with hopefully nice weather in Los Angeles in September 2026? Here you can find all information about the weather in Los Angeles in September:
- Overview: Los Angeles Weather and Climate in September
- Los Angeles weather by month
- Los Angeles weather in September // weather averages
- Current temperature and weather forecast for Los Angeles
Climate for Los Angeles in September
The warmest day in Los Angeles during September is 04.09, reaching 33.2°C | 91.7°F, while 30.09 stands out as the coldest, with 15.9°C | 60.7°F. In the first ten days, highs average 32.6°C | 90.7°F, and lows are around 18.8°C | 65.8°F. From the 11th to the 20th, expect highs near 30.7°C | 87.3°F and lows of about 16.9°C | 62.4°F. During the final third, temperatures average 30.9°C | 87.6°F for highs and 16.5°C | 61.7°F for lows. The warmest 10-day stretch falls between 1-10, averaging 32.6°C | 90.7°F for highs. The coldest period is 21-30, with lows around 16.5°C | 61.7°F.
Throughout September, Los Angeles receives between 0.01/0.00 mm/in and 0.84/0.03 mm/in of daily precipitation. 22.09 stands out as the wettest day with 0.84/0.03 mm/in, while 18.09 is the driest, with just 0.01/0.00 mm/in. During the early part of the month, rainfall averages 0.10/0.00 mm/in over 0 days. In the middle part, the average reaches 0.20/0.01 mm/in with 0 rainy days. At month’s end, rainfall averages 0.20/0.01 mm/in, with 0 days seeing measurable rain. The wettest 10-day block is between 11-20 (0.20/0.01 mm/in), while the driest is 1-10 with 0.01/0.00 mm/in.
In Los Angeles, humidity levels during September range from 52% to 60%. The highest humidity is seen on 21.09 at 60%, and the lowest on 30.09 with 52%. Humidity averages 56% in the early part of the month, 58% mid-month, and 56% near the end of the month. The most humid 10-day period runs from 11-20, while the driest occurs between 21-30.
Los Angeles weather by month
| Avg. Temperature °C (°F) | Min. Temperature °C (°F) | Max. Temperature °C (°F) | Precipitation / Rainfall mm (in) | Humidity (%) | Rainy days (d) | avg. Sun hours (hours) | |
|---|---|---|---|---|---|---|---|
| January |
11.9 (53.5) |
6.7 (44.1) |
19.5 (67.2) |
84 (3.3) |
52% | 4 | 8.0 |
| February |
12.2 (53.9) |
6.8 (44.2) |
19.4 (66.9) |
89 (3.5) |
57% | 4 | 8.0 |
| March |
14.1 (57.3) |
8.3 (47) |
21.4 (70.5) |
54 (2.1) |
59% | 4 | 8.0 |
| April |
15.8 (60.5) |
9.7 (49.5) |
23.3 (73.9) |
19 (0.7) |
55% | 2 | 9.0 |
| May |
18.2 (64.7) |
12.3 (54.1) |
25.2 (77.4) |
11 (0.4) |
56% | 2 | 9.0 |
| June |
21 (69.9) |
15 (58.9) |
28.1 (82.6) |
3 (0.1) |
55% | 0 | 10.0 |
| July |
24.1 (75.4) |
17.9 (64.3) |
31.3 (88.3) |
2 (0.1) |
52% | 0 | 11.0 |
| August |
24.5 (76.1) |
18.2 (64.8) |
31.9 (89.5) |
0 (0) |
49% | 0 | 11.0 |
| September |
23.2 (73.8) |
17 (62.6) |
31 (87.7) |
4 (0.2) |
49% | 1 | 10.0 |
| October |
19.5 (67.2) |
13.6 (56.5) |
27.2 (81) |
17 (0.7) |
49% | 2 | 8.0 |
| November |
15.4 (59.7) |
9.8 (49.7) |
23.1 (73.5) |
21 (0.8) |
46% | 2 | 8.0 |
| December |
11.6 (52.8) |
6.5 (43.8) |
18.8 (65.9) |
53 (2.1) |
53% | 4 | 7.0 |
| January | February | March | April | May | June | July | August | September | October | November | December | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg. Temperature °C (°F) |
11.9 °C (53.5) °F |
12.2 °C (53.9) °F |
14.1 °C (57.3) °F |
15.8 °C (60.5) °F |
18.2 °C (64.7) °F |
21 °C (69.9) °F |
24.1 °C (75.4) °F |
24.5 °C (76.1) °F |
23.2 °C (73.8) °F |
19.5 °C (67.2) °F |
15.4 °C (59.7) °F |
11.6 °C (52.8) °F |
| Min. Temperature °C (°F) |
6.7 °C (44.1) °F |
6.8 °C (44.2) °F |
8.3 °C (47) °F |
9.7 °C (49.5) °F |
12.3 °C (54.1) °F |
15 °C (58.9) °F |
17.9 °C (64.3) °F |
18.2 °C (64.8) °F |
17 °C (62.6) °F |
13.6 °C (56.5) °F |
9.8 °C (49.7) °F |
6.5 °C (43.8) °F |
| Max. Temperature °C (°F) |
19.5 °C (67.2) °F |
19.4 °C (66.9) °F |
21.4 °C (70.5) °F |
23.3 °C (73.9) °F |
25.2 °C (77.4) °F |
28.1 °C (82.6) °F |
31.3 °C (88.3) °F |
31.9 °C (89.5) °F |
31 °C (87.7) °F |
27.2 °C (81) °F |
23.1 °C (73.5) °F |
18.8 °C (65.9) °F |
| Precipitation / Rainfall mm (in) |
84 (3) |
89 (3) |
54 (2) |
19 (0) |
11 (0) |
3 (0) |
2 (0) |
0 (0) |
4 (0) |
17 (0) |
21 (0) |
53 (2) |
| Humidity(%) | 52% | 57% | 59% | 55% | 56% | 55% | 52% | 49% | 49% | 49% | 46% | 53% |
| Rainy days (d) | 4 | 5 | 4 | 2 | 1 | 0 | 0 | 0 | 1 | 2 | 2 | 4 |
| avg. Sun hours (hours) | 7.6 | 7.6 | 8.3 | 9.0 | 9.1 | 10.2 | 11.3 | 10.8 | 9.5 | 8.3 | 7.9 | 7.4 |
Data: 1991 - 2021 Min. Temperature °C (°F), Max. Temperature °C (°F), Precipitation / Rainfall mm (in), Humidity, Rainy days. Data: 1999 - 2019: avg. Sun hours
🌡️ Temperature for Los Angeles in September
When does Los Angeles reach its peak temperature in September? |
The day with the highest average temperature in Los Angeles during September is 04.09, recording 33.2°C | 91.7°F. |
|---|---|
On which day of September does Los Angeles experience the coldest weather? |
30.09 is the chilliest day of the month, dropping to 15.9°C | 60.7°F. |
In Los Angeles, how do temperatures behave during September? |
In the early part of the month, average high temperatures are 32.6°C | 90.7°F, and lows are about 18.8°C | 65.8°F. Between days 11 and 20, highs average 30.7°C | 87.3°F with lows at 16.9°C | 62.4°F. Toward the end of the month, highs are near 30.9°C | 87.6°F and lows fall to 16.5°C | 61.7°F. |
What 10-day window in September records the highest temperatures in Los Angeles? |
During the 10-day stretch from 1-10, average highs hit 32.6°C | 90.7°F. |
What 10-day window in September records the lowest temperatures in Los Angeles? |
The coldest stretch of the month falls between 21-30, averaging lows of 16.5°C | 61.7°F. |
Los Angeles weather and climate for further months
Los Angeles weather in September // weather averages
| Temperature (°C) | (°F) | Temperature max. (°C) | (°F) | Temperature min. (°C) | (°F) | Precipitation / Rainfall (mm) | (inch) | |
|---|---|---|---|---|
| 1. September | 25 °C | 78 °F | 33 °C | 91 °F | 19 °C | 66 °F | 0.0 mm | 0.0 inch. |
| 2. September | 25 °C | 78 °F | 33 °C | 91 °F | 19 °C | 66 °F | 0.1 mm | 0.0 inch. |
| 3. September | 25 °C | 78 °F | 33 °C | 91 °F | 19 °C | 67 °F | 0.0 mm | 0.0 inch. |
| 4. September | 25 °C | 78 °F | 33 °C | 92 °F | 19 °C | 67 °F | 0.2 mm | 0.0 inch. |
| 5. September | 25 °C | 77 °F | 33 °C | 92 °F | 19 °C | 66 °F | 0.0 mm | 0.0 inch. |
| 6. September | 25 °C | 78 °F | 33 °C | 92 °F | 19 °C | 66 °F | 0.1 mm | 0.0 inch. |
| 7. September | 25 °C | 78 °F | 33 °C | 92 °F | 19 °C | 66 °F | 0.0 mm | 0.0 inch. |
| 8. September | 25 °C | 76 °F | 32 °C | 90 °F | 18 °C | 65 °F | 0.0 mm | 0.0 inch. |
| 9. September | 24 °C | 75 °F | 31 °C | 89 °F | 18 °C | 65 °F | 0.1 mm | 0.0 inch. |
| 10. September | 24 °C | 75 °F | 31 °C | 88 °F | 18 °C | 64 °F | 0.0 mm | 0.0 inch. |
| 11. September | 24 °C | 75 °F | 32 °C | 89 °F | 17 °C | 63 °F | 0.0 mm | 0.0 inch. |
| 12. September | 24 °C | 75 °F | 32 °C | 89 °F | 17 °C | 63 °F | 0.0 mm | 0.0 inch. |
| 13. September | 24 °C | 75 °F | 31 °C | 89 °F | 17 °C | 63 °F | 0.0 mm | 0.0 inch. |
| 14. September | 23 °C | 74 °F | 31 °C | 88 °F | 17 °C | 63 °F | 0.1 mm | 0.0 inch. |
| 15. September | 23 °C | 74 °F | 30 °C | 87 °F | 17 °C | 63 °F | 0.7 mm | 0.0 inch. |
| 16. September | 23 °C | 73 °F | 31 °C | 87 °F | 17 °C | 62 °F | 0.1 mm | 0.0 inch. |
| 17. September | 23 °C | 73 °F | 30 °C | 86 °F | 17 °C | 62 °F | 0.0 mm | 0.0 inch. |
| 18. September | 22 °C | 72 °F | 30 °C | 86 °F | 16 °C | 61 °F | 0.0 mm | 0.0 inch. |
| 19. September | 23 °C | 73 °F | 30 °C | 86 °F | 16 °C | 61 °F | 0.0 mm | 0.0 inch. |
| 20. September | 22 °C | 72 °F | 30 °C | 86 °F | 16 °C | 62 °F | 0.5 mm | 0.0 inch. |
| 21. September | 22 °C | 72 °F | 30 °C | 86 °F | 16 °C | 61 °F | 0.2 mm | 0.0 inch. |
| 22. September | 23 °C | 73 °F | 30 °C | 86 °F | 17 °C | 62 °F | 0.8 mm | 0.0 inch. |
| 23. September | 23 °C | 73 °F | 31 °C | 87 °F | 17 °C | 62 °F | 0.3 mm | 0.0 inch. |
| 24. September | 23 °C | 73 °F | 31 °C | 88 °F | 16 °C | 61 °F | 0.3 mm | 0.0 inch. |
| 25. September | 23 °C | 74 °F | 32 °C | 89 °F | 17 °C | 62 °F | 0.2 mm | 0.0 inch. |
| 26. September | 23 °C | 74 °F | 31 °C | 88 °F | 17 °C | 62 °F | 0.1 mm | 0.0 inch. |
| 27. September | 23 °C | 74 °F | 31 °C | 88 °F | 17 °C | 62 °F | 0.1 mm | 0.0 inch. |
| 28. September | 23 °C | 73 °F | 31 °C | 88 °F | 17 °C | 62 °F | 0.1 mm | 0.0 inch. |
| 29. September | 23 °C | 73 °F | 31 °C | 87 °F | 16 °C | 62 °F | 0.2 mm | 0.0 inch. |
| 30. September | 23 °C | 73 °F | 31 °C | 89 °F | 16 °C | 61 °F | 0.0 mm | 0.0 inch. |
💧 Humidity for Los Angeles in September
When does Los Angeles typically have its most humid day in September? |
Humidity reaches its peak on 21.09, averaging 60% for the day. |
|---|---|
When does Los Angeles typically have its driest day in September by humidity? |
Humidity reaches its minimum on 30.09, with a reading of 52%. |
How does the humidity behave in Los Angeles during September? |
Beginning the month, humidity averages 56%. It then climbs to 58% mid-month and ends with 56% by the final days. |
What 10-day window in September is typically most humid in Los Angeles? |
The most humid phase of the month occurs between 11-20, averaging 58%. |
What 10-day period during September has the driest humidity profile in Los Angeles? |
The least humid phase falls between 21-30, with an average of only 56%. |
🌧️ Rainfall for Los Angeles in September
When is the peak rainfall day in Los Angeles during September? |
The highest rainfall typically occurs on 22.09, with an average of 0.84/0.03 mm/in. |
|---|---|
When does Los Angeles experience its driest day (rain-wise) in September? |
On 18.09, precipitation is at its lowest, with just 0.01/0.00 mm/in. |
How variable is the rainfall in Los Angeles throughout September? |
Rainfall starts off at 0.10/0.00 mm/in per day in the first third of the month, with 0 days exceeding 1 mm. The next ten days average 0.20/0.01 mm/in, with 0 wet days. By the final third of the month, rainfall drops to 0.20/0.01 mm/in, with just 0 rainy days. |
What 10-day segment of September is the wettest in Los Angeles? |
The 10-day period from 11-20 sees the highest average rainfall, at 0.20/0.01 mm/in. |
When does the driest 10-day period by precipitation occur in Los Angeles during September? |
During the driest 10-day stretch, from 1-10, rainfall averages merely 0.01/0.00 mm/in. |
✈️ Airport close to Los Angeles
The closest Airports of Los Angeles are: Hollywood Burbank Airport (BUR) 18.87km,Los Angeles International Airport (LAX) 19.56km,Long Beach Airport (LGB) 27.73km
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