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Sierra Vista weather in September 2025
Expect 86°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Sierra Vista in September. Check more long-term weather averages for Sierra Vista in September before you book your next holiday to Arizona in 2025/2026.
- 8686°F max day temperature
- 10 hours of sunshine per day
- 77 days with some rainfall
- 5959°F min night temperature
- 1212 hours of daylight per day
- MModerate heat & humidity
- 1.51.5 inches of monthly rainfall
- 99 (Very High) UV index
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Recommended for Arizona
The September weather guide for Arizona (Sierra Vista) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about Arizona
How hot is it in Sierra Vista in September?
Daytime temperatures usually reach 86°F in Sierra Vista in September with moderate heat and humidity, falling to 59°F at night.
How sunny is it in Sierra Vista in September?
There are normally 10 hours of bright sunshine each day in Sierra Vista in September - that's 80% of daylight hours.
Does it rain in Sierra Vista in September?
There are usually 7 days with some rain in Sierra Vista in September and the average monthly rainfall is 1.5 inches.
Sierra Vista September sunrise & sunset times
Browse the sunrise and sunset times for Sierra Vista in September 2025. Select a month to view Sierra Vista sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Monday, 1st September 2025 | 05:57 | 18:44 |
Monday, 15th September 2025 | 06:05 | 18:26 |
Tuesday, 30th September 2025 | 06:14 | 18:07 |
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