Indianapolis weather in September 2020

  • 25°C maximum daytime temperature in September in Indianapolis25
    25°C max day temperature
  • 8 hours of sunshine per day
  • 8 days with some rainfall in September in Indianapolis8
    8 days with some rainfall
  • 13°C minimum night-time temperature in September in Indianapolis13
    13°C 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
  • 75 mm monthly rainfall in September in Indianapolis75
    75 mm 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 Indianapolis, Indiana 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.

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How hot is it in Indianapolis in September?

Daytime temperatures usually reach 25°C in Indianapolis in September with low heat and humidity, falling to 13°C 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 75mm.

Indianapolis sunrise & sunset times for September 2020

Browse the sunrise & sunset times for Indianapolis in September 2020. Select a month to view Indianapolis sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Tuesday, 1st September 2020 07:13 20:15
Tuesday, 15th September 2020 07:26 19:52
Wednesday, 30th September 2020 07:40 19:28
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Metric (°C / mm)  |  Imperial (°F / inches)

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Where's hot in Indiana in September?

Below are average maximum temperatures at popular destinations in Indiana in September. Select a destination to see more weather parameters.

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