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Nevada United States

Weather in Washoe County for September 2025

Your guide to Washoe County weather in September - trends and predictions
  • In general, the average temperature in Washoe County at the beginning of September is 27.1 °F. As the month progressed, temperatures tended to moderately fall, reaching an average of 25.4 °F by the end of September.

  • Washoe County sees moderate rainfall in September, averaging 6 rainy days.

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Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/9°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
39 %
Avg humidity

Washoe County in September average weather

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Temperatures trend during September in Washoe 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 Overcast
Overcast
26° /13° 0 mm 7
Sept. 2 Cloudy
Cloudy
26° /13° 0 mm 6
Sept. 3 Patchy light rain with thunder
Patchy light rain with thunder
23° /10° 3.5 mm 6
Sept. 4 Partly cloudy
Partly cloudy
27° /10° 0 mm 7
Sept. 5 Patchy rain possible
Patchy rain possible
30° /12° 0.3 mm 7
Sept. 6 Sunny
Sunny
29° /14° 0.9 mm 7
Sept. 7 Sunny
Sunny
29° /14° 0 mm 7
Sept. 8 Partly cloudy
Partly cloudy
29° /12° 0 mm 8
Sept. 9 Sunny
Sunny
29° /10° 0 mm 8
Sept. 10 Sunny
Sunny
29° /11° 0 mm 7
Sept. 11 Sunny
Sunny
27° /11° 0 mm 6
Sept. 12 Partly cloudy
Partly cloudy
25° /9° 0 mm 7
Sept. 13 Partly cloudy
Partly cloudy
27° /10° 0 mm 7
Sept. 14 Sunny
Sunny
28° /11° 0 mm 7
Sept. 15 Sunny
Sunny
26° /10° 0.1 mm 7
Sept. 16 Sunny
Sunny
23° /9° 1.2 mm 6
Sept. 17 Partly cloudy
Partly cloudy
22° /8° 0.1 mm 6
Sept. 18 Patchy rain possible
Patchy rain possible
23° /8° 1.2 mm 5
Sept. 19 Partly cloudy
Partly cloudy
24° /8° 0 mm 6
Sept. 20 Sunny
Sunny
26° /8° 0.6 mm 7
Sept. 21 Patchy light rain with thunder
Patchy light rain with thunder
21° /6° 1.4 mm 6
Sept. 22 Partly cloudy
Partly cloudy
23° /6° 0 mm 7
Sept. 23 Sunny
Sunny
25° /9° 0 mm 7
Sept. 24 Overcast
Overcast
26° /8° 0 mm 6
Sept. 25 Cloudy
Cloudy
26° /10° 0 mm 6
Sept. 26 Sunny
Sunny
26° /7° 0 mm 7
Sept. 27 Partly cloudy
Partly cloudy
27° /8° 0 mm 7
Sept. 28 Sunny
Sunny
27° /9° 0 mm 7
Sept. 29 Overcast
Overcast
26° /9° 0 mm 6
Sept. 30 Patchy light rain with thunder
Patchy light rain with thunder
20° /7° 6.6 mm 5
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Important Notice
Our weather forecast for Washoe 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 Washoe County forecast closer to your planned date for the most up-to-date weather information.

Washoe County in September - FAQ

What are the expected maximum and minimum temperatures in Washoe County during September?
Enjoy moderate daytime temperatures of up to 25° and cooler nights around 9°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Washoe County during September?
In September, Washoe County can expect light to moderate rainfall, totaling 27.1 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.
What are the typical wind conditions in Washoe County during September?
The average wind speed in Washoe County during September is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

September rainfall patterns in Washoe County

Explore the daily rainfall trends and prepare for Washoe Countys September weather 💧

UV exposure in Washoe 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 Washoe County?

Get accurate weather forecasts for Washoe County, located at latitude 39.53 and longitude -119.814. Stay updated with localized weather information tailored for Washoe County.

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