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Weather in Long Beach for September 2025

Your guide to Long Beach weather in September - trends and predictions
  • In general, the average temperature in Long Beach at the beginning of September is 27.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.7 °F by the end of September.

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

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Average dry days
28
Dry days
Average rainy days
2
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/17°
Temperatures
Average wind speed
16 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Long Beach in September average weather

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Temperatures trend during September in Long Beach

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 Cloudy
Cloudy
26° /19° 0 mm 7
Sept. 2 Cloudy
Cloudy
27° /20° 0 mm 7
Sept. 3 Overcast
Overcast
26° /20° 0 mm 6
Sept. 4 Overcast
Overcast
26° /19° 0 mm 6
Sept. 5 Overcast
Overcast
28° /20° 0 mm 7
Sept. 6 Overcast
Overcast
29° /21° 0 mm 7
Sept. 7 Mist
Mist
30° /20° 0 mm 7
Sept. 8 Partly cloudy
Partly cloudy
33° /21° 0 mm 8
Sept. 9 Partly cloudy
Partly cloudy
32° /23° 0 mm 8
Sept. 10 Cloudy
Cloudy
28° /21° 0 mm 7
Sept. 11 Cloudy
Cloudy
26° /19° 0 mm 6
Sept. 12 Mist
Mist
25° /18° 0 mm 6
Sept. 13 Mist
Mist
24° /18° 0 mm 6
Sept. 14 Overcast
Overcast
23° /17° 0 mm 6
Sept. 15 Overcast
Overcast
22° /17° 0 mm 5
Sept. 16 Mist
Mist
22° /17° 0.1 mm 5
Sept. 17 Mist
Mist
23° /16° 0 mm 6
Sept. 18 Overcast
Overcast
22° /16° 0 mm 5
Sept. 19 Overcast
Overcast
22° /16° 0 mm 5
Sept. 20 Overcast
Overcast
22° /16° 0 mm 5
Sept. 21 Patchy rain possible
Patchy rain possible
21° /16° 0.2 mm 5
Sept. 22 Overcast
Overcast
24° /16° 0 mm 6
Sept. 23 Mist
Mist
25° /16° 0 mm 6
Sept. 24 Mist
Mist
24° /15° 0 mm 6
Sept. 25 Mist
Mist
24° /15° 0 mm 6
Sept. 26 Overcast
Overcast
23° /15° 0 mm 5
Sept. 27 Mist
Mist
24° /15° 0 mm 6
Sept. 28 Mist
Mist
23° /15° 0 mm 5
Sept. 29 Overcast
Overcast
24° /15° 0 mm 6
Sept. 30 Light rain shower
Light rain shower
24° /15° 0.7 mm 6
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Important Notice
Our weather forecast for Long Beach 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 Long Beach forecast closer to your planned date for the most up-to-date weather information.

Long Beach in September - FAQ

What are the expected maximum and minimum temperatures in Long Beach during September?
During September, expect a variety of temperatures with highs around 24° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Long Beach during September?
Rainfall in Long Beach 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 Long Beach during September?
The average wind speed in Long Beach during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Long Beach

Explore the daily rainfall trends and prepare for Long Beachs September weather 💧

UV exposure in Long Beach during September

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

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Location coordinates Where is Long Beach?

Get accurate weather forecasts for Long Beach, located at latitude 33.767 and longitude -118.189. Stay updated with localized weather information tailored for Long Beach.

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