Click on a day for an hourly weather forecast
The temperatures in Galena in September are comfortable with low of 17°C and and high up to 28°C.
You can expect about 3 to 8 days of rain in Galena 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 Galena in September 2025.
If you’re planning to visit Galena in the near future, we highly recommend that you review the 14 day weather forecast for Galena before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 7° / -2° | 5 | 25 | 2 | 56 mm | Bad | Galena in January |
| February | 9° / -1° | 6 | 20 | 2 | 66 mm | Bad | Galena in February |
| March | 15° / 5° | 7 | 23 | 1 | 132 mm | Ok | Galena in March |
| April | 20° / 9° | 8 | 22 | 0 | 165 mm | Ok | Galena in April |
| May | 24° / 14° | 10 | 20 | 0 | 222 mm | Good | Galena in May |
| June | 30° / 20° | 7 | 23 | 0 | 110 mm | Ok | Galena in June |
| July | 32° / 22° | 8 | 23 | 0 | 109 mm | Ok | Galena in July |
| August | 32° / 21° | 9 | 23 | 0 | 104 mm | Ok | Galena in August |
| September | 28° / 17° | 6 | 24 | 0 | 114 mm | Perfect | Galena in September |
| October | 21° / 11° | 6 | 25 | 0 | 126 mm | Good | Galena in October |
| November | 14° / 5° | 5 | 25 | 0 | 79 mm | Good | Galena in November |
| December | 9° / 0° | 4 | 26 | 1 | 69 mm | Ok | Galena in December |