Click on a day for an hourly weather forecast
The temperatures in Richmond in September are comfortable with low of 10°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Richmond during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Richmond in September 2025.
If you’re planning to visit Richmond in the near future, we highly recommend that you review the 14 day weather forecast for Richmond before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -5° / -12° | 6 | 2 | 24 | 104 mm | Awful | Richmond in January |
| February | -3° / -11° | 5 | 2 | 23 | 112 mm | Awful | Richmond in February |
| March | 2° / -6° | 8 | 6 | 19 | 125 mm | Awful | Richmond in March |
| April | 10° / 0° | 10 | 12 | 9 | 137 mm | Awful | Richmond in April |
| May | 19° / 7° | 9 | 21 | 1 | 147 mm | Ok | Richmond in May |
| June | 23° / 11° | 9 | 21 | 0 | 177 mm | Good | Richmond in June |
| July | 26° / 14° | 8 | 23 | 0 | 146 mm | Good | Richmond in July |
| August | 26° / 13° | 7 | 24 | 0 | 143 mm | Good | Richmond in August |
| September | 21° / 10° | 6 | 24 | 0 | 99 mm | Good | Richmond in September |
| October | 13° / 5° | 9 | 19 | 2 | 139 mm | Awful | Richmond in October |
| November | 6° / -2° | 8 | 11 | 11 | 108 mm | Awful | Richmond in November |
| December | -1° / -7° | 8 | 4 | 21 | 114 mm | Awful | Richmond in December |