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The temperatures in Truckee in September are quite cold with temperatures between 8°C and 23°C, warm clothes are a must.
The wather in Truckee in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Please note that Truckee can expect a few days of snow in September.
Our weather forecast can give you a great sense of what weather to expect in Truckee in September 2025.
If you’re planning to visit Truckee in the near future, we highly recommend that you review the 14 day weather forecast for Truckee before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 4° / -5° | 4 | 14 | 13 | 197 mm | Awful | Truckee in January |
| February | 4° / -5° | 4 | 12 | 13 | 196 mm | Awful | Truckee in February |
| March | 5° / -3° | 6 | 9 | 17 | 211 mm | Awful | Truckee in March |
| April | 10° / -1° | 6 | 12 | 12 | 106 mm | Bad | Truckee in April |
| May | 15° / 2° | 7 | 19 | 6 | 81 mm | Bad | Truckee in May |
| June | 21° / 7° | 2 | 27 | 1 | 21 mm | Good | Truckee in June |
| July | 27° / 11° | 1 | 30 | 0 | 11 mm | Perfect | Truckee in July |
| August | 26° / 10° | 0 | 31 | 0 | 7 mm | Perfect | Truckee in August |
| September | 23° / 8° | 1 | 28 | 1 | 11 mm | Perfect | Truckee in September |
| October | 16° / 3° | 3 | 26 | 2 | 56 mm | Ok | Truckee in October |
| November | 8° / -2° | 4 | 17 | 9 | 108 mm | Bad | Truckee in November |
| December | 3° / -5° | 5 | 11 | 15 | 177 mm | Awful | Truckee in December |