The climate in Richmond during September can be summarized as warm, humid and a little damp.
September is in the fall / autumn in Richmond and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a muggy 26°C (79°F), whilst at night 15°C (58°F) is normal.
Daytime temperature | 26.1°C 79°F |
---|---|
Nightly temperature | 14.5°C 58.1°F |
Average temperature | 20.3°C 68.5°F |
Daily sunshine | 7.5 hrs |
Avg rainfall | 89 mm 3.5 ins |
Rainy days | 9 days |
Sea temperature | 23.4°C 74.2°F |
Humidity | 74% |
Windspeed | 10.8kph 7 mph |
On average September is the 4th driest month of the year in Richmond with around 89mm 3.5 inches of rain making it a a little damp 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 7.5 hours of sunshine per day.
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 2025.
Best places to visit in September
Hottest month: | July | 29.7°C 85.5°F |
---|---|---|
Driest month: | October | 64mm 2.5ins |
Sunniest month: | August | 8.5hrs |
Coldest month: | January | 4.5°C 40.1°F |
Wettest month: | July | 124mm 4.9ins |