Yosemite National Park
September
Weather in Yosemite National Park for September 2025
Your guide to Yosemite National Park weather in September - trends and predictions
Snowfall in Yosemite National Park during September is quite rare, with fewer than 2 snowy days on average.
In general, the average temperature in Yosemite National Park at the beginning of September is 23.9 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20.3 °F by the end of September.
With an average of 2 rainy days, Yosemite National Park experiences minimal rainfall in September.
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Snow Forecast ❄️
Temperatures
Rain 🌧️
More
27
Dry days
2
Rainy days
1
Snow days
19°/9°
Temperatures
20 km/h
Avg max wind
37 %
Avg humidity
Yosemite National Park Weather September
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| Sun. | Mon. | Tue. | Wed. | Thu. | Fri. | Sat. |
|---|---|---|---|---|---|---|
| 1  23° | 2 21° | 3 23° | 4 25° | 5  26° | 6  25° | |
| 7 24° | 8 23° | 9 22° | 10  21° | 11 18° | 12 18° | 13 20° |
| 14  20° | 15 16° | 16  7° | 17 9° | 18  9° | 19  9° | 20 17° |
| 21 17° | 22 18° | 23 21° | 24 20° | 25 19° | 26 20° | 27 21° |
| 28 21° | 29 20° | 30 21° |
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Access Yosemite National Park weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Temperatures trend during September in Yosemite National Park
See the weather trend as well as the moving average line
September weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Sept. 1 | Sunny | 23° /11° | 0 mm | 0 cm | |
| Sept. 2 | Sunny | 21° /10° | 0 mm | 0 cm | |
| Sept. 3 | Sunny | 23° /9° | 0 mm | 0 cm | |
| Sept. 4 | Sunny | 25° /11° | 0 mm | 0 cm | |
| Sept. 5 | Patchy rain possible | 26° /13° | 0.1 mm | 0 cm | |
| Sept. 6 | Partly cloudy | 25° /13° | 0 mm | 0 cm | |
| Sept. 7 | Sunny | 24° /12° | 0 mm | 0 cm | |
| Sept. 8 | Sunny | 23° /11° | 0 mm | 0 cm | |
| Sept. 9 | Sunny | 22° /10° | 0 mm | 0 cm | |
| Sept. 10 | Overcast | 21° /8° | 0 mm | 0 cm | |
| Sept. 11 | Sunny | 18° /4° | 0 mm | 0 cm | |
| Sept. 12 | Sunny | 18° /3° | 0 mm | 0 cm | |
| Sept. 13 | Sunny | 20° /6° | 0 mm | 0 cm | |
| Sept. 14 | Cloudy | 20° /7° | 0 mm | 0 cm | |
| Sept. 15 | Sunny | 16° /4° | 0 mm | 0 cm | |
| Sept. 16 | Patchy light snow with thunder | 7° /0° | 2.3 mm | 0.9 cm | |
| Sept. 17 | Cloudy | 9° /1° | 0 mm | 0 cm | |
| Sept. 18 | Thundery outbreaks possible | 9° /3° | 1.4 mm | 0 cm | |
| Sept. 19 | Moderate or heavy rain shower | 9° /5° | 17.9 mm | 0 cm | |
| Sept. 20 | Sunny | 17° /7° | 0 mm | 0 cm | |
| Sept. 21 | Sunny | 17° /10° | 0 mm | 0 cm | |
| Sept. 22 | Partly cloudy | 18° /11° | 0 mm | 0 cm | |
| Sept. 23 | Sunny | 21° /12° | 0 mm | 0 cm | |
| Sept. 24 | Partly cloudy | 20° /11° | 0 mm | 0 cm | |
| Sept. 25 | Sunny | 19° /12° | 0 mm | 0 cm | |
| Sept. 26 | Sunny | 20° /11° | 0 mm | 0 cm | |
| Sept. 27 | Sunny | 21° /11° | 0 mm | 0 cm | |
| Sept. 28 | Sunny | 21° /14° | 0 mm | 0 cm | |
| Sept. 29 | Sunny | 20° /13° | 0 mm | 0 cm | |
| Sept. 30 | Cloudy | 21° /12° | 0 mm | 0 cm | |
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Important Notice
Our weather forecast for Yosemite National Park 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 Yosemite National Park forecast closer to your planned date for the most up-to-date weather information.
Yosemite National Park in September - FAQ
What are the expected maximum and minimum temperatures in Yosemite National Park during September?
Enjoy moderate daytime temperatures of up to 19° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Yosemite National Park during September?
In September, Yosemite National Park can expect light to moderate rainfall, totaling 21.7 mm across approximately 2 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Yosemite National Park in September 2025?
Yosemite National Park typically sees 0.93 cm of snowfall during September.
What are the typical wind conditions in Yosemite National Park during September?
The average wind speed in Yosemite National Park during September is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
Yosemite National Park snow forecast September 2025
Track daily snowfall levels and discover Yosemite National Park’s snowy potential this September ❄️
September rainfall patterns in Yosemite National Park
Explore the daily rainfall trends and prepare for Yosemite National Parks September weather 💧
UV exposure in Yosemite National Park during September
Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Where is Yosemite National Park?Get accurate weather forecasts for Yosemite National Park, located at latitude 37.848 and longitude -119.557. Stay updated with localized weather information tailored for Yosemite National Park.
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