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The temperatures in Reno in September are quite cold with temperatures between 9°C and 26°C, warm clothes are a must.
The wather in Reno in September can vary between cold and nice weather days. Expect a few rainy days but usually not more than 3.
Our weather forecast can give you a great sense of what weather to expect in Reno in September 2025.
If you’re planning to visit Reno in the near future, we highly recommend that you review the 14 day weather forecast for Reno before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 6° / -5° | 4 | 20 | 7 | 71 mm | Awful | Reno in January |
| February | 7° / -4° | 4 | 17 | 7 | 69 mm | Bad | Reno in February |
| March | 10° / -2° | 6 | 18 | 7 | 74 mm | Bad | Reno in March |
| April | 14° / 1° | 4 | 22 | 4 | 43 mm | Ok | Reno in April |
| May | 19° / 5° | 6 | 24 | 1 | 57 mm | Good | Reno in May |
| June | 26° / 9° | 2 | 28 | 0 | 22 mm | Perfect | Reno in June |
| July | 31° / 13° | 1 | 30 | 0 | 14 mm | Good | Reno in July |
| August | 30° / 13° | 0 | 31 | 0 | 10 mm | Good | Reno in August |
| September | 26° / 9° | 1 | 29 | 0 | 11 mm | Perfect | Reno in September |
| October | 18° / 3° | 2 | 29 | 0 | 34 mm | Good | Reno in October |
| November | 11° / -2° | 2 | 24 | 4 | 39 mm | Bad | Reno in November |
| December | 5° / -6° | 6 | 16 | 9 | 66 mm | Awful | Reno in December |