Jamestown Weather in September

What's the weather like in Jamestown (North Dakota) in September 2024?

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

September is in the fall / autumn in Jamestown and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 21°C (70°F), whilst at night 7°C (45°F) is normal.

Jamestown weather averages (imperial / metric)
Daytime temperature 21.3°C 70.3°F
Nightly temperature 7.2°C 44.9°F
Average temperature 14.2°C 57.6°F
Daily sunshine 8.3 hrs
Avg rainfall 44 mm 1.7 ins
Rainy days 7 days
Sea temperature 15.1°C 59.1°F
Humidity 67%
Windspeed 17.6kph 11 mph

On average September is the 5th wettest month of the year in Jamestown with around 44mm 1.7 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 8.3 hours of sunshine per day.

September temperatures in Jamestown

Jamestown average temperature in September

September rainfall

Jamestown average rain in September

September hourly sunshine

Jamestown 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 Jamestown in September 2024.