Click on a day for an hourly weather forecast
The temperatures in Koge in September are usually low and can range between 13°C and 17°C.
You can expect about 3 to 8 days of rain in Koge 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 Koge in September 2025.
If you’re planning to visit Koge in the near future, we highly recommend that you review the 14 day weather forecast for Koge before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 3° / 0° | 9 | 10 | 12 | 77 mm | Awful | Koge in January |
| February | 3° / 0° | 8 | 10 | 11 | 71 mm | Awful | Koge in February |
| March | 6° / 2° | 7 | 19 | 5 | 64 mm | Awful | Koge in March |
| April | 10° / 5° | 5 | 23 | 2 | 43 mm | Bad | Koge in April |
| May | 15° / 8° | 5 | 26 | 0 | 80 mm | Good | Koge in May |
| June | 18° / 12° | 4 | 26 | 0 | 81 mm | Good | Koge in June |
| July | 21° / 14° | 6 | 25 | 0 | 111 mm | Good | Koge in July |
| August | 20° / 15° | 6 | 25 | 0 | 103 mm | Good | Koge in August |
| September | 17° / 13° | 4 | 26 | 0 | 77 mm | Good | Koge in September |
| October | 12° / 9° | 7 | 24 | 0 | 77 mm | Bad | Koge in October |
| November | 8° / 5° | 9 | 19 | 2 | 83 mm | Awful | Koge in November |
| December | 4° / 2° | 10 | 12 | 9 | 88 mm | Awful | Koge in December |