Anaheim (CA)
September
Weather in Anaheim, California for September 2025
Your guide to Anaheim weather in September - trends and predictions
Until now, September 2025 in Anaheim is slightly cooler than the historical average by -1.1 °F.
Expect cooler weather in the next days in Anaheim with the forecast suggesting a temperature of 29.1 °F, lower than the historical average.
In general, the average temperature in Anaheim at the beginning of September is 31.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 27.9 °F by the end of September.
Precipitation in Anaheim during September is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
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29
Dry days
1
Rainy days
0
Snow days
27°/18°
Temperatures
16 km/h
Avg max wind
61 %
Avg humidity
Anaheim Weather September
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Temperatures trend during September in Anaheim
See the weather trend as well as the moving average line
September weather in Anaheim day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Patchy rain possible | 31° /20° | 0.9 mm | 7 | |
| Sept. 2 |  Cloudy | 31° /22° | 0 mm | 7 | |
| Sept. 3 |  Overcast | 31° /21° | 0 mm | 7 | |
| Sept. 4 | Overcast | 30° /20° | 0 mm | 7 | |
| Sept. 5 | Overcast | 31° /20° | 0 mm | 8 | |
| Sept. 6 | Overcast | 33° /20° | 0 mm | 8 | |
| Sept. 7 |  Sunny | 34° /20° | 0 mm | 8 | |
| Sept. 8 | Sunny | 34° /22° | 0 mm | 8 | |
| Sept. 9 | Sunny | 32° /21° | 0 mm | 8 | |
| Sept. 10 | Cloudy | 29° /20° | 0 mm | 7 | |
| Sept. 11 |  Partly cloudy | 27° /20° | 0 mm | 7 | |
| Sept. 12 | Cloudy | 27° /18° | 0 mm | 6 | |
| Sept. 13 | Cloudy | 26° /17° | 0 mm | 6 | |
| Sept. 14 | Partly cloudy | 31° /18° | 0 mm | 1.9 | |
| Sept. 15 | Sunny | 34° /18° | 0 mm | 1.9 | |
| Sept. 16 | Sunny | 32° /21° | 0 mm | 1.9 | |
| Sept. 17 | Sunny | 31° /23° | 0 mm | 1.9 | |
| Sept. 18 | Sunny | 29° /23° | 0 mm | 0 | |
| Sept. 19 | Sunny | 28° /21° | 0 mm | 6 | |
| Sept. 20 | Patchy rain possible | 29° /20° | 0.5 mm | 5 | |
| Sept. 21 | Partly cloudy | 28° /21° | 0.1 mm | 6 | |
| Sept. 22 | Patchy rain possible | 25° /22° | 0.8 mm | 5 | |
| Sept. 23 |  Moderate rain | 24° /20° | 7.3 mm | 5 | |
| Sept. 24 | Sunny | 30° /21° | 0 mm | 6 | |
| Sept. 25 | Sunny | 29° /23° | 0.1 mm | 7 | |
| Sept. 26 | Sunny | 28° /22° | 0 mm | 6 | |
| Sept. 27 | Partly cloudy | 28° /15° | 0 mm | 7 | |
| Sept. 28 | Partly cloudy | 27° /15° | 0 mm | 7 | |
| Sept. 29 | Overcast | 27° /16° | 0 mm | 7 | |
| Sept. 30 | Light rain shower | 26° /16° | 0.8 mm | 7 | |
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Important Notice
Our weather forecast for Anaheim 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 Anaheim forecast closer to your planned date for the most up-to-date weather information.
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Anaheim in September - FAQ
What are the expected maximum and minimum temperatures in Anaheim during September?
During September, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Anaheim during September?
Rainfall in Anaheim during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 Anaheim during September?
The average wind speed in Anaheim during September is 16 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Anaheim
Explore the daily rainfall trends and prepare for Anaheims September weather 💧
UV exposure in Anaheim during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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