Valentine Weather in September

What's the weather like in Valentine (Nebraska) in September 2025?

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

September is in the fall / autumn in Valentine and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 25°C (76°F), whilst at night 8°C (46°F) is normal.

Valentine weather averages (imperial / metric)
Daytime temperature 24.5°C 76.1°F
Nightly temperature 7.9°C 46.2°F
Average temperature 16.2°C 61.2°F
Daily sunshine 9.5 hrs
Avg rainfall 39 mm 1.5 ins
Rainy days 7 days
Sea temperature 17.3°C 63.1°F
Humidity 57%
Windspeed 16.2kph 10 mph

On average September is the 6th wettest month of the year in Valentine with around 39mm 1.5 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 9.5 hours of sunshine per day.

September temperatures in Valentine

Valentine average temperature in September

September rainfall

Valentine average rain in September

September hourly sunshine

Valentine 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 Valentine 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

Valentine weather stats

Valentine weather statistics
Hottest month: July 31.1°C 88°F
Driest month: January 8mm 0.3ins
Sunniest month: August 11.3hrs
Coldest month: January -0°C 32°F
Wettest month: May 80mm 3.1ins
Map showing location of Valentine (42.87278, -100.55097) Valentine map pin © Google

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