Gettysburg weather in September 2025

Expect 25°C daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Gettysburg in September. Check more long-term weather averages for Gettysburg in September before you book your next holiday to Pennsylvania in 2025/2026.

  • 25°C maximum daytime temperature in September in Gettysburg25
    25°C max day temperature
  • 7 hours of sunshine per day
  • 9 days with some rainfall in September in Gettysburg9
    9 days with some rainfall
  • 12°C minimum night-time temperature in September in Gettysburg12
    12°C min night temperature
  • 12 hours of daylight per day in September in Gettysburg12
    12 hours of daylight per day
  • No heat & humidity in September in Gettysburg0
    No heat & humidity
  • 98 mm monthly rainfall in September in Gettysburg98
    98 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Gettysburg7
    7 (High) UV index

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The September weather guide for Pennsylvania (Gettysburg) 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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How hot is it in Gettysburg in September?

Daytime temperatures usually reach 25°C in Gettysburg in September with no heat and humidity, falling to 12°C at night.

How sunny is it in Gettysburg in September?

There are normally 7 hours of bright sunshine each day in Gettysburg in September - that's 59% of daylight hours.

Does it rain in Gettysburg in September?

There are usually 9 days with some rain in Gettysburg in September and the average monthly rainfall is 98mm.

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

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

Gettysburg September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st September 2025 05:37 18:40
Monday, 15th September 2025 05:50 18:17
Tuesday, 30th September 2025 06:04 17:52

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