Click on a day for an hourly weather forecast
The temperatures in Ironwood in September are usually low and can range between 11°C and 19°C.
You can expect rain for roughly half of the month of September in Ironwood. We’re expecting roughly 8 to 15 days of rain, so your rubber boots and umbrella are going to see plenty of use this month if you’re keen on staying dry.
Our weather forecast can give you a great sense of what weather to expect in Ironwood in September 2025.
If you’re planning to visit Ironwood in the near future, we highly recommend that you review the 14 day weather forecast for Ironwood before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -7° / -13° | 10 | 17 | 4 | 30 mm | Awful | Ironwood in January |
| February | -6° / -13° | 8 | 16 | 5 | 32 mm | Awful | Ironwood in February |
| March | 1° / -6° | 7 | 19 | 5 | 50 mm | Awful | Ironwood in March |
| April | 7° / -1° | 11 | 14 | 5 | 108 mm | Awful | Ironwood in April |
| May | 16° / 7° | 9 | 21 | 1 | 110 mm | Ok | Ironwood in May |
| June | 22° / 12° | 11 | 19 | 0 | 121 mm | Ok | Ironwood in June |
| July | 25° / 15° | 9 | 22 | 0 | 109 mm | Good | Ironwood in July |
| August | 24° / 14° | 9 | 22 | 0 | 113 mm | Good | Ironwood in August |
| September | 19° / 11° | 8 | 22 | 0 | 96 mm | Ok | Ironwood in September |
| October | 11° / 4° | 10 | 20 | 1 | 97 mm | Bad | Ironwood in October |
| November | 3° / -3° | 10 | 17 | 3 | 63 mm | Awful | Ironwood in November |
| December | -4° / -9° | 11 | 14 | 6 | 54 mm | Awful | Ironwood in December |