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The weather in Scottsdale in September is very hot. The average temperatures are between 26°C and 35°C, drinking water regularly is advisable.
You can expect about 3 to 8 days of rain in Scottsdale 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 Scottsdale in September 2025.
If you’re planning to visit Scottsdale in the near future, we highly recommend that you review the 14 day weather forecast for Scottsdale before you arrive.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 18° / 9° | 2 | 29 | 0 | 46 mm | Good | Scottsdale in January |
| February | 19° / 10° | 3 | 26 | 0 | 41 mm | Good | Scottsdale in February |
| March | 23° / 13° | 1 | 30 | 0 | 31 mm | Perfect | Scottsdale in March |
| April | 27° / 16° | 1 | 29 | 0 | 11 mm | Perfect | Scottsdale in April |
| May | 31° / 19° | 1 | 30 | 0 | 6 mm | Good | Scottsdale in May |
| June | 37° / 24° | 0 | 30 | 0 | 7 mm | Ok | Scottsdale in June |
| July | 38° / 29° | 4 | 27 | 0 | 81 mm | Bad | Scottsdale in July |
| August | 38° / 29° | 3 | 28 | 0 | 69 mm | Bad | Scottsdale in August |
| September | 35° / 26° | 3 | 27 | 0 | 57 mm | Ok | Scottsdale in September |
| October | 29° / 20° | 2 | 29 | 0 | 32 mm | Good | Scottsdale in October |
| November | 23° / 14° | 1 | 29 | 0 | 30 mm | Perfect | Scottsdale in November |
| December | 17° / 9° | 3 | 28 | 0 | 48 mm | Good | Scottsdale in December |