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United States weather

Weather in Inyo County, California for September 2025

Your guide to Inyo County weather in September - trends and predictions

    Temperatures

  • Until now, September 2025 in Inyo County is cooler than usual, with temperatures averaging 34.2 °F, this is -3.3 °F below the typical seasonal average.

  • Expect cooler weather in the next days in Inyo County with the forecast suggesting a temperature of 34 °F, lower than the historical average.

  • In general, the average temperature in Inyo County at the beginning of September is 38.4 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 31.6 °F by the end of September.

    • Rain 🌧️

  • Precipitation in Inyo County during September is a rare event, with an average of fewer than 2 rainy days.

    • More

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Average dry days
29
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
36°/16°
Temperatures
Average wind speed
15 km/h
Avg max wind
Average humidity
22 %
Avg humidity

Inyo County Weather September

Move between months or click on a day
August
October
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Sunny
41°
2
Partly cloudy
36°
3
Sunny
37°
4
Sunny
37°
5
Sunny
39°
6
Sunny
39°
7
Sunny
40°
8
Sunny
39°
9
Sunny
38°
10
Overcast
37°
11
Sunny
35°
12
Sunny
34°
13
Sunny
36°
14
Sunny
37°
15
Sunny
37°
16
Sunny
34°
17
Sunny
40°
18
Patchy rain possible
33°
19
Partly cloudy
35°
20
Sunny
34°
21
Sunny
36°
22
Sunny
38°
23
Sunny
39°
24
Sunny
35°
25
Sunny
32°
26
Sunny
34°
27
Sunny
32°
28
Sunny
28°
29
Sunny
29°
30
Sunny
31°

Temperatures trend during September in Inyo County

See the weather trend as well as the moving average line

September weather in Inyo County day by day

Click on a date for more information
August October
Date Weather Temperatures Rain UV More
Sept. 1 Sunny
Sunny
 41° /22° 0 mm 10
Sept. 2 Partly cloudy
Partly cloudy
 36° /22° 0.7 mm 8
Sept. 3 Sunny
Sunny
 37° /22° 0 mm 8
Sept. 4 Sunny
Sunny
 37° /19° 0 mm 9
Sept. 5 Sunny
Sunny
 39° /20° 0 mm 9
Sept. 6 Sunny
Sunny
 39° /19° 0 mm 9
Sept. 7 Sunny
Sunny
 40° /18° 0 mm 9
Sept. 8 Sunny
Sunny
 39° /17° 0 mm 9
Sept. 9 Sunny
Sunny
 38° /17° 0 mm 9
Sept. 10 Overcast
Overcast
 37° /19° 0 mm 9
Sept. 11 Sunny
Sunny
 35° /16° 0 mm 8
Sept. 12 Sunny
Sunny
 34° /16° 0 mm 8
Sept. 13 Sunny
Sunny
 36° /15° 0 mm 9
Sept. 14 Sunny
Sunny
 37° /16° 0 mm 9
Sept. 15 Sunny
Sunny
 37° /16° 0 mm 9
Sept. 16 Sunny
Sunny
 34° /14° 0 mm 8
Sept. 17 Sunny
Sunny
 40° /14° 0 mm 1.8
Sept. 18 Patchy rain possible
Patchy rain possible
 33° /17° 0.3 mm 0.8
Sept. 19 Partly cloudy
Partly cloudy
 35° /19° 0 mm 1.8
Sept. 20 Sunny
Sunny
 34° /18° 0 mm 1.8
Sept. 21 Sunny
Sunny
 36° /25° 0 mm 1.8
Sept. 22 Sunny
Sunny
 38° /24° 0 mm 0
Sept. 23 Sunny
Sunny
 39° /25° 0 mm 8
Sept. 24 Sunny
Sunny
 35° /26° 0 mm 8
Sept. 25 Sunny
Sunny
 32° /25° 0 mm 7
Sept. 26 Sunny
Sunny
 34° /24° 0 mm 7
Sept. 27 Sunny
Sunny
 32° /24° 0 mm 7
Sept. 28 Sunny
Sunny
 28° /21° 0 mm 6
Sept. 29 Sunny
Sunny
 29° /18° 0 mm 6
Sept. 30 Sunny
Sunny
 31° /18° 0 mm 7
Next
Important Notice
Our weather forecast for Inyo 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 Inyo County forecast closer to your planned date for the most up-to-date weather information.
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Inyo County in September - FAQ

What are the expected maximum and minimum temperatures in Inyo County during September?
Expect warm days with temperatures around 36°, cooling to mild conditions of 16° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Inyo County during September?
Rainfall in Inyo County during September is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 1 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 Inyo County during September?
The average wind speed in Inyo County during September is 15 km/h, suggesting breezy to windy conditions, depending on your activities.

UV exposure in Inyo County during September

Stay informed about UV levels for safe outdoor activities throughout the month of September ☀️
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Location coordinates Where is Inyo County?

Get accurate weather forecasts for Inyo County, located at latitude 36.24 and longitude -116.811. Stay updated with localized weather information tailored for Inyo County.

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