Richmond weather in September 2025

Expect 27°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Richmond in September. Check more long-term weather averages for Richmond in September before you book your next holiday to Virginia in 2025/2026.

  • 27°C maximum daytime temperature in September in Richmond27
    27°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Richmond8
    8 days with some rainfall
  • 15°C minimum night-time temperature in September in Richmond15
    15°C min night temperature
  • 12 hours of daylight per day in September in Richmond12
    12 hours of daylight per day
  • Low heat & humidity in September in RichmondL
    Low heat & humidity
  • 85 mm monthly rainfall in September in Richmond85
    85 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Richmond7
    7 (High) UV index

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The September weather guide for Virginia (Richmond) 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 the USA

How hot is it in Richmond in September?

Daytime temperatures usually reach 27°C in Richmond in September with low heat and humidity, falling to 15°C at night.

How sunny is it in Richmond in September?

There are normally 8 hours of bright sunshine each day in Richmond in September - that's 62% of daylight hours.

Does it rain in Richmond in September?

There are usually 8 days with some rain in Richmond in September and the average monthly rainfall is 85mm.

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

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

Richmond September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:40 18:38
Monday, 15th September 2025 05:52 18:17
Tuesday, 30th September 2025 06:05 17:54

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