Lake Havasu City weather in September 2025

Expect 35°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Lake Havasu City in September. Check more long-term weather averages for Lake Havasu City in September before you book your next holiday to Arizona in 2025/2026.

  • 35°C maximum daytime temperature in September in Lake Havasu City35
    35°C max day temperature
  • 11 hours of sunshine per day
  • 2 days with some rainfall in September in Lake Havasu City2
    2 days with some rainfall
  • 19°C minimum night-time temperature in September in Lake Havasu City19
    19°C min night temperature
  • 12 hours of daylight per day in September in Lake Havasu City12
    12 hours of daylight per day
  • Very high heat & humidity in September in Lake Havasu CityVH
    Very High heat & humidity
  • 17 mm monthly rainfall in September in Lake Havasu City17
    17 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in September in Lake Havasu City8
    8 (Very High) UV index

More about Lake Havasu City

Lake Havasu City by month

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The September weather guide for Arizona (Lake Havasu City) 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)

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More about Arizona

How hot is it in Lake Havasu City in September?

Daytime temperatures usually reach 35°C in Lake Havasu City in September with very high heat and humidity, falling to 19°C at night.

How sunny is it in Lake Havasu City in September?

There are normally 11 hours of bright sunshine each day in Lake Havasu City in September - that's 89% of daylight hours.

Does it ever rain in Lake Havasu City in September?

There are usually 2 days with some rain in Lake Havasu City in September and the average monthly rainfall is 17mm.

Lake Havasu City September sunrise & sunset times

Browse the sunrise and sunset times for Lake Havasu City in September 2025. Select a month to view Lake Havasu City sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 06:11 19:03
Monday, 15th September 2025 06:21 18:43
Tuesday, 30th September 2025 06:31 18:22

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