The climate in Sedona during September can be summarized as mild and reasonably dry.
September is in the fall / autumn in Sedona and is typically the 4th warmest month of the year. Daytime maximum temperatures average around a comfortable 26°C (79°F), whilst at night 9°C (48°F) is normal.
| Daytime temperature | 26.4°C 79.4°F |
|---|---|
| Nightly temperature | 9.1°C 48.3°F |
| Average temperature | 17.7°C 63.9°F |
| Daily sunshine | 10.9 hrs |
| Avg rainfall | 43 mm 1.7 ins |
| Rainy days | 6 days |
| Sea temperature | 20°C 68°F |
| Humidity | 49% |
| Windspeed | 14.4kph 9 mph |
On average September is the 5th driest month of the year in Sedona with around 43mm 1.7 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 6 days, although this may vary considerably.
On the flip side this corresponds to an average of 10.9 hours of sunshine per day.
The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Sedona in September 2025.
Best places to visit in September
| Hottest month: | July | 30.7°C 87.3°F |
|---|---|---|
| Driest month: | June | 10mm 0.4ins |
| Sunniest month: | June | 13.5hrs |
| Coldest month: | January | 8.3°C 46.9°F |
| Wettest month: | August | 76mm 3ins |