Indianapolis weather in September 2024

Expect 77°F daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Indianapolis in September. Check more long-term weather averages for Indianapolis in September before you book your next holiday to Indiana in 2024/2025.

  • 77°F maximum daytime temperature in September in Indianapolis77
    77°F max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Indianapolis8
    8 days with some rainfall
  • 55°F minimum night-time temperature in September in Indianapolis55
    55°F min night temperature
  • 12 hours of daylight per day in September in Indianapolis12
    12 hours of daylight per day
  • Low heat & humidity in September in IndianapolisL
    Low heat & humidity
  • 3.0 inches monthly rainfall in September in Indianapolis3.0
    3.0 inches of monthly rainfall
  • UV (maximum) index 6 (High) in September in Indianapolis6
    6 (High) UV index

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The September weather guide for Indiana (Indianapolis) 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 Indianapolis in September?

Daytime temperatures usually reach 77°F in Indianapolis in September with low heat and humidity, falling to 55°F at night.

How sunny is it in Indianapolis in September?

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

Does it rain in Indianapolis in September?

There are usually 8 days with some rain in Indianapolis in September and the average monthly rainfall is 3.0 inches.

Indianapolis September sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st September 2024 07:13 20:15
Sunday, 15th September 2024 07:26 19:52
Monday, 30th September 2024 07:40 19:28

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