Phoenix weather in September 2026

Expect daytime maximum temperatures of 37°C in Phoenix, Arizona in September and very high heat and humidity based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 37°C maximum daytime temperature in September in Phoenix37
    37°C max day temperature
  • 11 hours of sunshine per day
  • 3 days with some rainfall in September in Phoenix3
    3 days with some rainfall
  • 21°C minimum night-time temperature in September in Phoenix21
    21°C min night temperature
  • 12 hours of daylight per day in September in Phoenix12
    12 hours of daylight per day
  • Very high heat & humidity in September in PhoenixVH
    Very High heat & humidity
  • 23 mm monthly rainfall in September in Phoenix23
    23 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Phoenix8
    8 (Very High) UV index

More about Phoenix

Phoenix by month

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

Recommended for Arizona

Love Holidays: Top deals with Price Match Guarantee

  • Search for top holiday deals for popular destinations
  • Filter deals by board basis, star rating, price & more
  • Pay low deposits from £25 per person
Go to Love Holidays deal >>

View all Love Holidays offers

Love HolidaysHoliday deal finder

The September weather guide for Arizona (Phoenix) 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 Phoenix in September?

Daytime temperatures usually reach 37°C in Phoenix in September with very high heat and humidity, falling to 21°C at night.

How sunny is it in Phoenix in September?

There are normally 11 hours of bright sunshine each day in Phoenix in September - that's 88% of daylight hours.

Does it ever rain in Phoenix in September?

There are usually 3 days with some rain in Phoenix in September and the average monthly rainfall is 23mm.

Phoenix September sunrise & sunset times

Browse the sunrise and sunset times for Phoenix in September 2026. Select a month to view Phoenix sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st September 2026 06:03 18:54
Tuesday, 15th September 2026 06:12 18:35
Wednesday, 30th September 2026 06:22 18:14

Related posts

Popular travel offers

Explore holiday destinations

More holidays

Save with latest deals & discounts

More deals

Airport parking

More parking

Airport lounges

More lounges

Top ^