Tecumseh Weather in September

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

The climate in Tecumseh during September can be summarized as warm and a little damp.

September is in the fall / autumn in Tecumseh and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 26°C (78°F), whilst at night 11°C (52°F) is normal.

Tecumseh weather averages (imperial / metric)
Daytime temperature 25.8°C 78.4°F
Nightly temperature 11.2°C 52.2°F
Average temperature 18.5°C 65.3°F
Daily sunshine 8.6 hrs
Avg rainfall 95 mm 3.7 ins
Rainy days 8 days
Sea temperature 19.1°C 66.4°F
Humidity 71%
Windspeed 16.2kph 10 mph

On average September is the 5th wettest month of the year in Tecumseh with around 95mm 3.7 inches of rain making it a a little damp 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 8.6 hours of sunshine per day.

September temperatures in Tecumseh

Tecumseh average temperature in September

September rainfall

Tecumseh average rain in September

September hourly sunshine

Tecumseh 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 Tecumseh 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

Tecumseh weather stats

Tecumseh weather statistics
Hottest month: July 31.8°C 89.2°F
Driest month: January 20mm 0.8ins
Sunniest month: July 11.5hrs
Coldest month: January 0.5°C 32.9°F
Wettest month: May 108mm 4.3ins
Map showing location of Tecumseh (40.36667, -96.19612) Tecumseh map pin © Google

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