Dayton weather in September 2024

Expect 25°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Dayton in September. Check more long-term weather averages for Dayton in September before you book your next holiday to Ohio in 2024/2025.

  • 25°C maximum daytime temperature in September in Dayton25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Dayton8
    8 days with some rainfall
  • 13°C minimum night-time temperature in September in Dayton13
    13°C min night temperature
  • 12 hours of daylight per day in September in Dayton12
    12 hours of daylight per day
  • Low heat & humidity in September in DaytonL
    Low heat & humidity
  • 67 mm monthly rainfall in September in Dayton67
    67 mm of monthly rainfall
  • UV (maximum) index 7 (High) in September in Dayton7
    7 (High) UV index

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The September weather guide for Ohio (Dayton) 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 Dayton in September?

Daytime temperatures usually reach 25°C in Dayton in September with low heat and humidity, falling to 13°C at night.

How sunny is it in Dayton in September?

There are normally 8 hours of bright sunshine each day in Dayton in September - that's 63% of daylight hours.

Does it rain in Dayton in September?

There are usually 8 days with some rain in Dayton in September and the average monthly rainfall is 67mm.

Dayton September sunrise & sunset times

Browse the sunrise and sunset times for Dayton in September 2024. Select a month to view Dayton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 07:05 20:07
Sunday, 15th September 2024 07:18 19:44
Monday, 30th September 2024 07:33 19:20

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