Nelson Weather in September

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

The climate in Nelson during September can be summarized as warm and reasonably dry.

September is in the fall / autumn in Nelson and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 12°C (53°F) is normal.

Nelson weather averages (imperial / metric)
Daytime temperature 25.6°C 78°F
Nightly temperature 11.5°C 52.6°F
Average temperature 18.5°C 65.3°F
Daily sunshine 9.3 hrs
Avg rainfall 78 mm 3.1 ins
Rainy days 8 days
Sea temperature 18.8°C 65.8°F
Humidity 67%
Windspeed 18.7kph 12 mph

On average September is the 5th wettest month of the year in Nelson with around 78mm 3.1 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.3 hours of sunshine per day.

September temperatures in Nelson

Nelson average temperature in September

September rainfall

Nelson average rain in September

September hourly sunshine

Nelson 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 Nelson 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

Nelson weather stats

Nelson weather statistics
Hottest month: July 32°C 89.6°F
Driest month: January 14mm 0.6ins
Sunniest month: July 12.3hrs
Coldest month: January 1.2°C 34.2°F
Wettest month: May 109mm 4.3ins
Map showing location of Nelson (40.20168, -98.06782) Nelson map pin © Google

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