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Indianapolis weather in September

Weather in Indianapolis: September

Average day temperature: 76.6°F
Average night temperature: 63.9°F
Number of sunny days: 18 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 2 days
Precipitation totals: 0.7 in.

Air temperature in September, °F

Show year:
2023
2022
2021

The highest day temperature during September of 2023 was 92°F. At the same time the lowest night temperature was 57°F. Day and night temperature averages during September were 79.2°F and 64.7°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Indianapolis in September is 0.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.7 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.7.

Best time for vacation in Indianapolis

Sunniest months:
September 18 days
November 15 days
June 15 days
Warmest months:
July 82.7 °F
August 81.4 °F
June 78.7 °F
Coldest months:
January 34.5 °F
February 37.8 °F
December 41.2 °F
Rainiest months:
May 4 days
July 4 days
March 3 days
Windiest months:
March 9.4 mph
April 9.0 mph
February 8.7 mph

Indianapolis on a weather map

Indianapolis
+66°F
S 2 mph
Feels like: +66°F
Precip.: 0%
Places in USA:
Name
°F
+52°F
+59°F
+75°F
+73°F
+73°F
+59°F
+84°F
+59°F
+77°F
+61°F
+52°F
+79°F
+81°F
+75°F
+66°F
24 Hours Forecast
Indianapolis
Local time: 04:07
May 19, sunday
0600
64°F
E
3 mph
0900
72°F
E
3 mph
1200
81°F
SE
2 mph
1500
84°F
NE
2 mph
1800
82°F
NE
5 mph
2100
77°F
E
4 mph
May 20, monday
0000
73°F
N
4 mph
0300
68°F
NE
5 mph
Units of measurement: °C / °F