Martinsburg weather in September 2025

Expect 26°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Martinsburg in September. Check more long-term weather averages for Martinsburg in September before you book your next holiday to West Virginia in 2025/2026.

  • 26°C maximum daytime temperature in September in Martinsburg26
    26°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Martinsburg9
    9 days with some rainfall
  • 13°C minimum night-time temperature in September in Martinsburg13
    13°C min night temperature
  • 12 hours of daylight per day in September in Martinsburg12
    12 hours of daylight per day
  • Low heat & humidity in September in MartinsburgL
    Low heat & humidity
  • 76 mm monthly rainfall in September in Martinsburg76
    76 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Martinsburg7
    7 (High) UV index

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The September weather guide for West Virginia (Martinsburg) 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 Martinsburg in September?

Daytime temperatures usually reach 26°C in Martinsburg in September with low heat and humidity, falling to 13°C at night.

How sunny is it in Martinsburg in September?

There are normally 7 hours of bright sunshine each day in Martinsburg in September - that's 57% of daylight hours.

Does it rain in Martinsburg in September?

There are usually 9 days with some rain in Martinsburg in September and the average monthly rainfall is 76mm.

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

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

Martinsburg September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:41 18:42
Monday, 15th September 2025 05:53 18:20
Tuesday, 30th September 2025 06:07 17:55

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