Weather in September in Indianapolis, Indiana

< September >
	Normal Max/ High Temperature	25°C (78°F)
	Average Temperature	19°C (67°F)
	Min/ Low Temperature	13°C (56°F)
	Normal Precipitation	73mm (2.9in)
	Number of Wet Days (probability of rain on a day)	7 (23%)
	Average Sunlight per day	08h 52'
	Average Daylight per day	12h 23'
	Sunny (Cloudy) Daylight Hours	72% (28%)
	Sun altitude at solar noon on the 21st day.	50.8°

The average temperature in Indianapolis, Indiana in September is somewhat warm at 19.2 °C (66.56 °F).
Afternoons can be fairly hot with average high temperatures reaching 25.3 °C (77.5 °F).
Overnight temperatures are generally mild with an average low of 13.1 °C (55.6 °F).
The mean daily temperature variation/ range in September is 12.2 °C (22 °F).
Precipitation averages for September are moderate with 72.9mm (2.9 in) recorded across 7 days.
The blue above Indianapolis, Indiana is quite sunny with an average of a sizable 8h 52' of gorgeous solar radiation daily.
The shortest day is 11h 45' long and the longest day is 13h 02' long with an average length of 12h 23'.
There are approximately 3h 22' per day when the sun is occluded by cloud, haze, fog etc.
It is sunny approximately 72.5% of daylight hours and cloudy 27.5% of daylight hours.

Weather Trend Graph for September in Indianapolis, Indiana, Usa

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