Richmond Weather in September

What's the weather like in Richmond (Indiana) in September 2024?

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

September is in the fall / autumn in Richmond and is typically the 4th warmest month of the year. Daytime maximum temperatures average around 25°C (77°F), whilst at night 11°C (51°F) is normal.

Richmond weather averages (imperial / metric)
Daytime temperature 25°C 77°F
Nightly temperature 10.6°C 51.1°F
Average temperature 17.8°C 64°F
Daily sunshine 8.6 hrs
Avg rainfall 68 mm 2.7 ins
Rainy days 9 days
Sea temperature 22°C 71.7°F
Humidity 73%
Windspeed 13kph 8 mph

On average September is the 3rd driest month of the year in Richmond with around 68mm 2.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 9 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 Richmond

Richmond average temperature in September

September rainfall

Richmond average rain in September

September hourly sunshine

Richmond 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 Richmond in September 2024.