Click on a day for an hourly weather forecast
The temperatures in Columbus in September are comfortable with low of 11°C and and high up to 21°C.
You can expect about 3 to 8 days of rain in Columbus 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 Columbus in September 2025.
If you’re planning to visit Columbus in the near future, we highly recommend that you review the 14 day weather forecast for Columbus before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -3° / -8° | 5 | 3 | 23 | 128 mm | Awful | Columbus in January |
| February | -1° / -8° | 5 | 3 | 21 | 123 mm | Awful | Columbus in February |
| March | 5° / -3° | 8 | 9 | 15 | 125 mm | Awful | Columbus in March |
| April | 11° / 2° | 10 | 12 | 8 | 155 mm | Awful | Columbus in April |
| May | 18° / 8° | 9 | 21 | 1 | 153 mm | Ok | Columbus in May |
| June | 22° / 12° | 8 | 22 | 0 | 150 mm | Ok | Columbus in June |
| July | 25° / 15° | 9 | 22 | 0 | 143 mm | Good | Columbus in July |
| August | 24° / 14° | 8 | 23 | 0 | 131 mm | Good | Columbus in August |
| September | 21° / 11° | 6 | 24 | 0 | 118 mm | Good | Columbus in September |
| October | 14° / 6° | 10 | 19 | 2 | 148 mm | Bad | Columbus in October |
| November | 6° / 0° | 7 | 11 | 13 | 121 mm | Awful | Columbus in November |
| December | 1° / -4° | 6 | 5 | 21 | 155 mm | Awful | Columbus in December |