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