Placer County (Lake Tahoe)
September
Weather in Placer County for September 2025
Your guide to Placer County weather in September - trends and predictions
In general, the average temperature in Placer County at the beginning of September is 25.4 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 24.3 °F by the end of September.
With an average of 5 rainy days, Placer County experiences minimal rainfall in September.
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Temperatures
Rain 🌧️
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25
Dry days
5
Rainy days
0
Snow days
22°/8°
Temperatures
19 km/h
Avg max wind
40 %
Avg humidity
Placer County in September average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  25° | 2 22° | 3 25° | 4 27° | 5 28° | 6  26° | 7  25° |
| 8 24° | 9 23° | 10 22° | 11 18° | 12 20° | 13 22° | 14 22° |
| 15 16° | 16 11° | 17  7° | 18  12° | 19  16° | 20 22° | 21 21° |
| 22 22° | 23 22° | 24 25° | 25 22° | 26 24° | 27 24° | 28 25° |
| 29 26° | 30 24° |
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Temperatures trend during September in Placer County
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 | Sunny | 25° /9° | 0 mm | 7 | |
| Sept. 2 | Sunny | 22° /7° | 0 mm | 6 | |
| Sept. 3 | Sunny | 25° /6° | 0 mm | 7 | |
| Sept. 4 | Sunny | 27° /9° | 0 mm | 7 | |
| Sept. 5 | Sunny | 28° /11° | 0 mm | 7 | |
| Sept. 6 | Patchy rain possible | 26° /12° | 0.4 mm | 6 | |
| Sept. 7 | Overcast | 25° /11° | 0 mm | 6 | |
| Sept. 8 | Sunny | 24° /9° | 0 mm | 6 | |
| Sept. 9 | Sunny | 23° /9° | 0 mm | 6 | |
| Sept. 10 | Overcast | 22° /6° | 0 mm | 5 | |
| Sept. 11 | Sunny | 18° /3° | 0 mm | 5 | |
| Sept. 12 | Sunny | 20° /1° | 0 mm | 6 | |
| Sept. 13 | Sunny | 22° /4° | 0 mm | 6 | |
| Sept. 14 | Sunny | 22° /6° | 0 mm | 6 | |
| Sept. 15 | Sunny | 16° /2° | 0 mm | 5 | |
| Sept. 16 | Patchy rain possible | 11° /1° | 0.8 mm | 3 | |
| Sept. 17 | Light sleet | 7° /2° | 7.2 mm | 2 | |
| Sept. 18 | Moderate or heavy rain with thunder | 12° /3° | 43.2 mm | 3 | |
| Sept. 19 | Patchy light rain with thunder | 16° /6° | 9.4 mm | 4 | |
| Sept. 20 | Sunny | 22° /10° | 0 mm | 6 | |
| Sept. 21 | Sunny | 21° /10° | 0 mm | 6 | |
| Sept. 22 | Sunny | 22° /9° | 0 mm | 6 | |
| Sept. 23 | Sunny | 22° /11° | 0 mm | 6 | |
| Sept. 24 | Sunny | 25° /12° | 0 mm | 7 | |
| Sept. 25 | Sunny | 22° /12° | 0 mm | 6 | |
| Sept. 26 | Sunny | 24° /10° | 0 mm | 6 | |
| Sept. 27 | Sunny | 24° /12° | 0 mm | 6 | |
| Sept. 28 | Sunny | 25° /14° | 0 mm | 7 | |
| Sept. 29 | Sunny | 26° /13° | 0 mm | 7 | |
| Sept. 30 | Overcast | 24° /10° | 0 mm | 5 | |
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Important Notice
Our weather forecast for Placer County 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 Placer County forecast closer to your planned date for the most up-to-date weather information.
Placer County in September - FAQ
What are the expected maximum and minimum temperatures in Placer County during September?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 8°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Placer County during September?
Moderate rainfall is anticipated in Placer County during September, with a total of 60.9 mm spread over approximately 5 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in Placer County during September?
The average wind speed in Placer County during September is 19 km/h, suggesting breezy to windy conditions, depending on your activities.
September rainfall patterns in Placer County
Explore the daily rainfall trends and prepare for Placer Countys September weather 💧
UV exposure in Placer County during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Placer County?Get accurate weather forecasts for Placer County, located at latitude 39.145 and longitude -120.096. Stay updated with localized weather information tailored for Placer County.
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