Click on a day for an hourly weather forecast
The temperatures in Flint in September are comfortable with low of 11°C and and high up to 22°C.
You can expect about 3 to 8 days of rain in Flint 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 Flint in September 2025.
If you’re planning to visit Flint in the near future, we highly recommend that you review the 14 day weather forecast for Flint before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -9° | 5 | 8 | 19 | 42 mm | Awful | Flint in January |
| February | -2° / -8° | 3 | 8 | 17 | 39 mm | Awful | Flint in February |
| March | 5° / -3° | 6 | 15 | 10 | 42 mm | Awful | Flint in March |
| April | 11° / 2° | 7 | 18 | 5 | 73 mm | Awful | Flint in April |
| May | 19° / 9° | 6 | 25 | 0 | 80 mm | Good | Flint in May |
| June | 23° / 13° | 6 | 24 | 0 | 87 mm | Perfect | Flint in June |
| July | 26° / 16° | 6 | 25 | 0 | 77 mm | Perfect | Flint in July |
| August | 25° / 15° | 4 | 27 | 0 | 71 mm | Perfect | Flint in August |
| September | 22° / 11° | 3 | 27 | 0 | 53 mm | Good | Flint in September |
| October | 14° / 6° | 6 | 25 | 0 | 60 mm | Good | Flint in October |
| November | 7° / 0° | 5 | 18 | 7 | 39 mm | Bad | Flint in November |
| December | 1° / -4° | 4 | 12 | 15 | 37 mm | Awful | Flint in December |