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Weather in Los Angeles for September 2025

Your guide to Los Angeles weather in September - trends and predictions
  • In general, the average temperature in Los Angeles at the beginning of September is 30.1 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 25.6 °F by the end of September.

  • With an average of 2 rainy days, Los Angeles experiences minimal rainfall in September, ensuring that most days remain pleasantly dry.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
26°/17°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Los Angeles in September average weather

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Temperatures trend during September in Los Angeles

See the weather trend as well as the moving average line

September weather day by day

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Date Weather Temperatures Rain UV More
Sept. 1 Partly cloudy
Partly cloudy
28° /20° 0 mm 7
Sept. 2 Cloudy
Cloudy
28° /21° 0 mm 7
Sept. 3 Overcast
Overcast
28° /20° 0 mm 7
Sept. 4 Cloudy
Cloudy
30° /19° 0 mm 7
Sept. 5 Mist
Mist
32° /21° 0 mm 8
Sept. 6 Cloudy
Cloudy
32° /22° 0 mm 8
Sept. 7 Cloudy
Cloudy
33° /21° 0 mm 8
Sept. 8 Partly cloudy
Partly cloudy
35° /24° 0 mm 9
Sept. 9 Partly cloudy
Partly cloudy
36° /25° 0 mm 9
Sept. 10 Overcast
Overcast
31° /22° 0 mm 8
Sept. 11 Cloudy
Cloudy
29° /20° 0 mm 7
Sept. 12 Cloudy
Cloudy
28° /19° 0 mm 7
Sept. 13 Cloudy
Cloudy
26° /18° 0 mm 6
Sept. 14 Overcast
Overcast
26° /17° 0 mm 7
Sept. 15 Mist
Mist
25° /17° 0 mm 6
Sept. 16 Mist
Mist
24° /17° 0.1 mm 6
Sept. 17 Mist
Mist
23° /16° 0 mm 6
Sept. 18 Overcast
Overcast
23° /15° 0 mm 6
Sept. 19 Mist
Mist
22° /16° 0 mm 5
Sept. 20 Overcast
Overcast
22° /15° 0 mm 5
Sept. 21 Patchy rain possible
Patchy rain possible
21° /15° 0.2 mm 5
Sept. 22 Overcast
Overcast
24° /15° 0 mm 6
Sept. 23 Cloudy
Cloudy
26° /17° 0 mm 7
Sept. 24 Mist
Mist
26° /15° 0 mm 7
Sept. 25 Cloudy
Cloudy
26° /15° 0 mm 7
Sept. 26 Cloudy
Cloudy
25° /15° 0 mm 6
Sept. 27 Partly cloudy
Partly cloudy
26° /16° 0 mm 6
Sept. 28 Cloudy
Cloudy
26° /15° 0 mm 6
Sept. 29 Cloudy
Cloudy
25° /16° 0 mm 6
Sept. 30 Light rain shower
Light rain shower
25° /16° 0.9 mm 6
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Important Notice
Our weather forecast for Los Angeles in September is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Los Angeles forecast closer to your planned date for the most up-to-date weather information.

Los Angeles in September - FAQ

What are the expected maximum and minimum temperatures in Los Angeles during September?
During September, expect a variety of temperatures with highs around 26° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Los Angeles during September?
Rainfall in Los Angeles during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 2 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Los Angeles during September?
The average wind speed in Los Angeles during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Los Angeles

Explore the daily rainfall trends and prepare for Los Angeless September weather 💧

UV exposure in Los Angeles during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️

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Location coordinates Where is Los Angeles?

Get accurate weather forecasts for Los Angeles, located at latitude 34.052 and longitude -118.244. Stay updated with localized weather information tailored for Los Angeles.

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