Alexandria weather in September 2025

Expect 79°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Alexandria in September. Check more long-term weather averages for Alexandria in September before you book your next holiday to Virginia in 2025/2026.

  • 79°F maximum daytime temperature in September in Alexandria79
    79°F max day temperature
  • 7 hours of sunshine per day
  • 7 days with some rainfall in September in Alexandria7
    7 days with some rainfall
  • 61°F minimum night-time temperature in September in Alexandria61
    61°F min night temperature
  • 12 hours of daylight per day in September in Alexandria12
    12 hours of daylight per day
  • Low heat & humidity in September in AlexandriaL
    Low heat & humidity
  • 3.3 inches monthly rainfall in September in Alexandria3.3
    3.3 inches of monthly rainfall
  • UV (maximum) index 7 (High) in September in Alexandria7
    7 (High) UV index

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The September weather guide for Virginia (Alexandria) 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)

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How hot is it in Alexandria in September?

Daytime temperatures usually reach 79°F in Alexandria in September with low heat and humidity, falling to 61°F at night.

How sunny is it in Alexandria in September?

There are normally 7 hours of bright sunshine each day in Alexandria in September - that's 60% of daylight hours.

Does it rain in Alexandria in September?

There are usually 7 days with some rain in Alexandria in September and the average monthly rainfall is 3.3 inches.

What is the chance of a hurricane in Alexandria in September?

On average less than 1 day in September in Alexandria is likely to be affected by the passage of one or more tropical storms.

Alexandria September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:38 18:38
Monday, 15th September 2025 05:50 18:16
Tuesday, 30th September 2025 06:03 17:52

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