Sierra National Forest in september: average Weather, Temperature and Climate
Weather in Sierra National Forest in september 2025
The weather in Sierra National Forest in the month of september comes from statistical datas on the last 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 25.9cm
Weather at 6am
56°F
Clear/Sunny
90% of time
5%
4%
2%
Weather at 12pm
72°F
Clear/Sunny
89% of time
6%
5%
1%
Weather at 6pm
56°F
Clear/Sunny
86% of time
8%
5%
2%
Weather at 3am
50°F
89%
5%
5%
2%
Evolution of daily average temperature and precipitation in Sierra National Forest in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Sierra National Forest in september.
The climate of Sierra National Forest in september is good
The weather in september in Sierra National Forest is dry ; it hardly ever rains (0.6in of precipitation over 1 days).
The climate quite comfortable in that locality september. The thermometer averaged maximum of 72°F. The minimum is 56°F. Thus, the mean temperature average on this month of september in Sierra National Forest is 65°F. These temperatures are far removed from those records observed in Sierra National Forest in the month of september with a maximum record of 90°F in 2020 and a minimum record of 27°F in 2013. You can expect to have about 26 days with temperatures above 65°F, or 87% of the month.
On this month of september, day length in Sierra National Forest is generally 12:24. Sunrise is at 05:40 and sets at 18:04.
With a good weather, this month is recommended to go in that area in California.
Seasonal average climate and temperature of Sierra National Forest in september
Check below seasonal norms These statistics are set from the weather statements of the past years of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 65°F | ||||
| Highest temperature | 72°F | ||||
| Lowest temperature | 56°F | ||||
| Highest record temperature | 90°F (2020) | ||||
| Lowest record temperature | 27°F (2013) | ||||
| Number of days at +86°F | 0 day(s) (0%) | ||||
| Number of days at +65°F | 26 day(s) (87%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 56°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 0.6in | ||||
| Number of days with rainfall | 1 day(s) (3%) | ||||
| Record daily rainfall | 0.8in (2017) | ||||
| Snowfall | 25.9cm | ||||
| Other climate data | |||||
| Humidity | 35% | ||||
| Visibility | 9.94km | ||||
| Cloud cover | 6% | ||||
| UV index | 5 | ||||
| Daily sunshine hours | 13 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 05:40 | ||||
| Time of sunset | 18:04 | ||||
| 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 Sierra National Forest in september 2024:
59°F to 79°F
58°F to 76°F
58°F to 79°F
59°F to 81°F
61°F to 85°F
63°F to 83°F
65°F to 81°F
61°F to 79°F
58°F to 77°F
56°F to 76°F
52°F to 70°F
45°F to 67°F
49°F to 72°F
52°F to 72°F
49°F to 67°F
38°F to 49°F
38°F to 52°F
45°F to 50°F
49°F to 52°F
49°F to 59°F
54°F to 65°F
58°F to 68°F
59°F to 72°F
63°F to 72°F
61°F to 68°F
58°F to 70°F
63°F to 74°F
61°F to 72°F
63°F to 72°F
61°F to 74°F
Map: other cities in California in september
Cities near Sierra National Forest:
| Mammoth Lakes in september | good weather |
| Yosemite National Park in september | good weather |
| Inyo National Forest in september | perfect weather |
| Mono Lake in september | good weather |
| Kings Canyon National Park in september | good weather |
| Big Pine in september | perfect weather |
| Sequoia National Park in september | good weather |
| Visalia in september | perfect weather |
| Stanislaus National Forest in september | perfect weather |
| Lone Pine in september | perfect weather |
| Stockton in september | perfect weather |
| Lake Tahoe in september | good weather |
Click over cities on the map for information about the weather in september.
Sierra National Forest
perfect weather
good
tolerable
bad
very bad
Weather data for Sierra National Forest in september:
Weather data for Sierra National Forest for september are derived from an average of the weather forecast since 2009 in Sierra National Forest. There is a margin of error and these forecasts are to be considered as general information only. The weather in Sierra National Forest 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 Sierra National Forest.