Sierra Vista weather in September 2025

Expect 30°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Sierra Vista in September based on long-term weather averages. There is usually 7 days with some rainfall and 38 mm of average monthly rainfall in September.

  • 30°C maximum daytime temperature in September in Sierra Vista30
    30°C max day temperature
  • 10 hours of sunshine per day
  • 7 days with some rainfall in September in Sierra Vista7
    7 days with some rainfall
  • 15°C minimum night-time temperature in September in Sierra Vista15
    15°C min night temperature
  • 12 hours of daylight per day in September in Sierra Vista12
    12 hours of daylight per day
  • Moderate heat & humidity in September in Sierra VistaM
    Moderate heat & humidity
  • 38 mm monthly rainfall in September in Sierra Vista38
    38 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in September in Sierra Vista9
    9 (Very High) UV index

More about Sierra Vista

Sierra Vista by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Arizona

Newmarket Holidays: up to 15% off tours worldwide

  • Save 15% on wish-list tours in 2025, 2026 & 20227
  • Visit Taj Mahal, Mount Fuji or Norwegian fjords
  • Travel before 31st December 2027 (inclusive)
Go to Newmarket Holidays deal >>

Expires at 23:59 on Thursday 13th Mar 2025 · View all Newmarket Holidays offers

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 / mm)  |  Imperial (°F / inches)

Back to top

More about Arizona

How hot is it in Sierra Vista in September?

Daytime temperatures usually reach 30°C in Sierra Vista in September with moderate heat and humidity, falling to 15°C 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 38mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^