Click on a day for an hourly weather forecast
The temperatures in St. paul in September are usually low and can range between 11°C and 19°C.
You can expect about 3 to 8 days of rain in St. paul 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 St. paul in September 2025.
If you’re planning to visit St. paul in the near future, we highly recommend that you review the 14 day weather forecast for St. paul before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / 2° | 7 | 19 | 5 | 66 mm | Awful | St. paul in January |
| February | 7° / 2° | 8 | 15 | 5 | 66 mm | Awful | St. paul in February |
| March | 10° / 3° | 6 | 23 | 2 | 58 mm | Bad | St. paul in March |
| April | 13° / 4° | 5 | 25 | 1 | 49 mm | Ok | St. paul in April |
| May | 16° / 7° | 5 | 26 | 0 | 72 mm | Good | St. paul in May |
| June | 19° / 10° | 6 | 24 | 0 | 88 mm | Good | St. paul in June |
| July | 21° / 13° | 6 | 25 | 0 | 92 mm | Good | St. paul in July |
| August | 21° / 14° | 4 | 27 | 0 | 78 mm | Good | St. paul in August |
| September | 19° / 11° | 3 | 27 | 0 | 50 mm | Good | St. paul in September |
| October | 14° / 9° | 6 | 25 | 0 | 75 mm | Good | St. paul in October |
| November | 10° / 6° | 7 | 23 | 0 | 63 mm | Bad | St. paul in November |
| December | 7° / 3° | 8 | 20 | 3 | 83 mm | Awful | St. paul in December |