Sacramento (CA)
September
Weather in Sacramento, California for September 2025
Your guide to Sacramento weather in September - trends and predictions
Until now, September 2025 in Sacramento is slightly cooler than the historical average by -1.8 °F.
The forecast for the next days in Sacramento predicts temperatures to be around 33 °F, close to the historical average.
In general, the average temperature in Sacramento at the beginning of September is 34.6 °F. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 31.6 °F by the end of September.
Precipitation in Sacramento during September is a rare event, with an average of fewer than 2 rainy days.
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Temperatures
Rain 🌧️
More
30
Dry days
0
Rainy days
0
Snow days
32°/14°
Temperatures
18 km/h
Avg max wind
50 %
Avg humidity
Sacramento Weather September
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Temperatures trend during September in Sacramento
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September weather in Sacramento day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Sept. 1 |  Sunny | 34° /15° | 0 mm | 8 | |
| Sept. 2 | Sunny | 32° /14° | 0 mm | 8 | |
| Sept. 3 |  Thundery outbreaks possible | 35° /15° | 0 mm | 8 | |
| Sept. 4 |  Partly cloudy | 37° /16° | 0 mm | 9 | |
| Sept. 5 |  Cloudy | 36° /16° | 0 mm | 8 | |
| Sept. 6 | Sunny | 35° /16° | 0 mm | 8 | |
| Sept. 7 | Partly cloudy | 33° /15° | 0 mm | 8 | |
| Sept. 8 | Sunny | 33° /14° | 0 mm | 8 | |
| Sept. 9 | Partly cloudy | 32° /16° | 0 mm | 8 | |
| Sept. 10 |  Overcast | 31° /14° | 0 mm | 7 | |
| Sept. 11 | Sunny | 32° /14° | 0 mm | 8 | |
| Sept. 12 | Overcast | 33° /14° | 0 mm | 7 | |
| Sept. 13 |  Mist | 33° /14° | 0 mm | 8 | |
| Sept. 14 | Sunny | 34° /14° | 0 mm | 1.6 | |
| Sept. 15 | Sunny | 38° /15° | 0 mm | 1.7 | |
| Sept. 16 | Sunny | 40° /19° | 0 mm | 1.7 | |
| Sept. 17 | Sunny | 39° /19° | 0 mm | 1.6 | |
| Sept. 18 | Partly cloudy | 28° /21° | 0 mm | 0 | |
| Sept. 19 | Sunny | 32° /19° | 0 mm | 6 | |
| Sept. 20 | Sunny | 32° /17° | 0 mm | 6 | |
| Sept. 21 | Sunny | 30° /16° | 0 mm | 6 | |
| Sept. 22 | Sunny | 32° /14° | 0 mm | 6 | |
| Sept. 23 | Sunny | 35° /18° | 0 mm | 6 | |
| Sept. 24 | Sunny | 32° /16° | 0 mm | 6 | |
| Sept. 25 | Sunny | 32° /16° | 0 mm | 6 | |
| Sept. 26 | Sunny | 29° /15° | 0 mm | 6 | |
| Sept. 27 | Sunny | 33° /14° | 0 mm | 6 | |
| Sept. 28 | Sunny | 33° /14° | 0 mm | 9 | |
| Sept. 29 | Overcast | 33° /12° | 0 mm | 8 | |
| Sept. 30 |  Light rain shower | 29° /14° | 0.5 mm | 7 | |
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Important Notice
Our weather forecast for Sacramento 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 Sacramento forecast closer to your planned date for the most up-to-date weather information.
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Sacramento in September - FAQ
What are the expected maximum and minimum temperatures in Sacramento during September?
Expect warm days with temperatures around 32°, cooling to mild conditions of 14° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Sacramento during September?
Rainfall in Sacramento during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 0 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 Sacramento during September?
The average wind speed in Sacramento during September is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
UV exposure in Sacramento during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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