Yosemite National Park in september: average Weather, Temperature and Climate
Weather in Yosemite National Park in september 2025
The weather in Yosemite National Park in the month of september comes from statistical datas on the past years. You can view the weather statistics the entire month, but also by using the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather 81.5cm
Weather at 6am
52°F
Clear/Sunny
88% of time
6%
3%
3%
Weather at 12pm
70°F
Clear/Sunny
83% of time
9%
5%
3%
Weather at 6pm
52°F
Clear/Sunny
83% of time
7%
5%
3%
Weather at 3am
45°F
87%
8%
3%
3%
Evolution of daily average temperature and precipitation in Yosemite National Park in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Yosemite National Park in september.
The climate of Yosemite National Park in september is good
The climate in september in Yosemite National Park is dry ; it hardly ever rains (1in of precipitation over 1 days).
The climate quite pleasant here the month of september. The thermometer averaged maximum of 70°F. In the morning the temperature drops to 52°F. Thus, the mean temperature average in september in Yosemite National Park is 61°F. Note that seasonal normals in contrast with those observed in Yosemite National Park in the month of september with a maximum record of 85°F in 2020 and a minimum record of 25°F in 2019. You can hope to have about 24 days with temperatures up to 65°F, or 80% of time.
On average, in Yosemite National Park, the days of september last 12:24. Sunrise is at 05:41 and sets at 18:05.
With a good climate, the month of september is a good time to go in this locality in United States.
Seasonal average climate and temperature of Yosemite National Park in september
Check below seasonal norms These datas are generated from the weather statements earlier years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 61°F | ||||
| Highest temperature | 70°F | ||||
| Lowest temperature | 52°F | ||||
| Highest record temperature | 85°F (2020) | ||||
| Lowest record temperature | 25°F (2019) | ||||
| Number of days at +65°F | 24 day(s) (80%) | ||||
| Number of days at -32°F | 1 day(s) (3%) | ||||
| Wind | |||||
| Wind speed | 17km/h | ||||
| Wind temperature | 52°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 1in | ||||
| Number of days with rainfall | 1 day(s) (5%) | ||||
| Record daily rainfall | 1.6in (2017) | ||||
| Snowfall | 81.5cm | ||||
| Other climate data | |||||
| Humidity | 42% | ||||
| Visibility | 9.85km | ||||
| Cloud cover | 8% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:41 | ||||
| Time of sunset | 18:05 | ||||
| Length of day | 12:24 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Yosemite National Park in september 2024:
50°F to 74°F
49°F to 72°F
47°F to 76°F
49°F to 79°F
52°F to 79°F
54°F to 77°F
52°F to 76°F
49°F to 74°F
47°F to 72°F
45°F to 72°F
41°F to 70°F
34°F to 70°F
40°F to 72°F
43°F to 70°F
40°F to 63°F
32°F to 47°F
34°F to 56°F
36°F to 52°F
40°F to 50°F
40°F to 59°F
43°F to 63°F
43°F to 67°F
45°F to 67°F
45°F to 70°F
45°F to 67°F
45°F to 70°F
47°F to 72°F
49°F to 72°F
49°F to 70°F
45°F to 68°F
Map: other cities in California in september
Cities near Yosemite National Park:
| Mono Lake in september | good weather |
| Mammoth Lakes in september | good weather |
| Stanislaus National Forest in september | perfect weather |
| Sierra National Forest in september | good weather |
| Inyo National Forest in september | perfect weather |
| Big Pine in september | perfect weather |
| Kings Canyon National Park in september | good weather |
| Lake Tahoe in september | good weather |
| Stockton in september | perfect weather |
| Visalia in september | perfect weather |
| Sequoia National Park in september | good weather |
| Sacramento in september | perfect weather |
Click over cities on the map for information about the weather in september.
Yosemite National Park
perfect weather
good
tolerable
bad
very bad
Weather data for Yosemite National Park in september:
Weather data for Yosemite National Park for september are derived from an average of the weather forecast since 2009 in Yosemite National Park. There is a margin of error and these forecasts are to be considered as general information only. The weather in Yosemite National Park can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Yosemite National Park.