Vermillion Weather in September

What's the weather like in Vermillion (South Dakota) in September 2024?

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

September is in the fall / autumn in Vermillion and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (78°F), whilst at night 10°C (50°F) is normal.

Vermillion weather averages (imperial / metric)
Daytime temperature 25.5°C 77.8°F
Nightly temperature 10.2°C 50.3°F
Average temperature 17.8°C 64°F
Daily sunshine 8.8 hrs
Avg rainfall 62 mm 2.4 ins
Rainy days 8 days
Sea temperature 17.8°C 64.1°F
Humidity 69%
Windspeed 17.3kph 11 mph

On average September is the 5th wettest month of the year in Vermillion with around 62mm 2.4 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 8.8 hours of sunshine per day.

September temperatures in Vermillion

Vermillion average temperature in September

September rainfall

Vermillion average rain in September

September hourly sunshine

Vermillion 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 Vermillion in September 2024.

Other monthly averages

Best places to visit in September

UV index Best time to go?

Vermillion weather stats

Vermillion weather statistics
Hottest month: July 31.3°C 88.3°F
Driest month: January 10mm 0.4ins
Sunniest month: July 11.8hrs
Coldest month: January -1.9°C 28.6°F
Wettest month: June 98mm 3.9ins
Map showing location of Vermillion (42.77944, -96.92921) Vermillion map pin © Google

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