Nezperce Weather in September

What's the weather like in Nezperce (Idaho) in September 2025?

The climate in Nezperce during September can be summarized as mild and reasonably dry.

September is in the fall / autumn in Nezperce and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 23°C (73°F), whilst at night 4°C (39°F) is normal.

Nezperce weather averages (imperial / metric)
Daytime temperature 23°C 73.3°F
Nightly temperature 4.1°C 39.3°F
Average temperature 13.5°C 56.3°F
Daily sunshine 10.1 hrs
Avg rainfall 40 mm 1.6 ins
Rainy days 7 days
Sea temperature 13.3°C 56°F
Humidity 54%
Windspeed 13kph 8 mph

On average September is the 3rd driest month of the year in Nezperce with around 40mm 1.6 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.1 hours of sunshine per day.

September temperatures in Nezperce

Nezperce average temperature in September

September rainfall

Nezperce average rain in September

September hourly sunshine

Nezperce average rain in September

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Nezperce in September 2025.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Nezperce weather stats

Nezperce weather statistics
Hottest month: July 28.2°C 82.8°F
Driest month: July 25mm 1ins
Sunniest month: July 14.3hrs
Coldest month: January 1°C 33.8°F
Wettest month: January 84mm 3.3ins
Map showing location of Nezperce (46.23489, -116.2407) Nezperce map pin © Google

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