Click on a day for an hourly weather forecast
The temperatures in Laramie in September are quite cold with temperatures between 8°C and 21°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Laramie 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 Laramie in September 2025.
If you’re planning to visit Laramie in the near future, we highly recommend that you review the 14 day weather forecast for Laramie before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | -2° / -11° | 7 | 21 | 3 | 17 mm | Awful | Laramie in January |
| February | -2° / -11° | 8 | 17 | 3 | 20 mm | Awful | Laramie in February |
| March | 4° / -6° | 7 | 19 | 5 | 41 mm | Awful | Laramie in March |
| April | 8° / -3° | 9 | 16 | 5 | 59 mm | Awful | Laramie in April |
| May | 14° / 3° | 11 | 18 | 2 | 86 mm | Bad | Laramie in May |
| June | 22° / 9° | 10 | 20 | 0 | 52 mm | Ok | Laramie in June |
| July | 25° / 13° | 11 | 20 | 0 | 46 mm | Perfect | Laramie in July |
| August | 25° / 12° | 7 | 24 | 0 | 25 mm | Perfect | Laramie in August |
| September | 21° / 8° | 5 | 25 | 0 | 34 mm | Good | Laramie in September |
| October | 11° / 0° | 5 | 23 | 3 | 35 mm | Bad | Laramie in October |
| November | 4° / -6° | 6 | 20 | 3 | 24 mm | Awful | Laramie in November |
| December | -2° / -11° | 7 | 20 | 4 | 24 mm | Awful | Laramie in December |