Indianapolis in september: average Weather, Temperature and Climate
Weather in Indianapolis in september 2025
The weather in Indianapolis in september comes from statistical datas on the last years. You can view the weather statistics the entire month, but also navigating through the tabs for the beginning, the middle and the end of the month.
Average weather throughout september
good weather UV index: 6
Weather at 6am
61°F
Clear/Sunny
36% of time
22%
20%
11%
Weather at 12pm
76°F
Clear/Sunny
53% of time
22%
13%
9%
Weather at 6pm
68°F
Clear/Sunny
55% of time
22%
13%
5%
Weather at 3am
61°F
40%
19%
17%
15%
Evolution of daily average temperature and precipitation in Indianapolis in september
These charts show the evolution of average minimum/maximum temperatures as well as average daily precipitation volume in Indianapolis in september.
The climate of Indianapolis in september is good
The weather in september in Indianapolis is relatively dry (with 3.8in of rainfall over 6 days). It should be noted an improvement from the previous month since in august it receives an average of 4in of precipitation over 7 days.
The climate enjoyable in that area this month. The high seasonal norm is 77°F. On average, the recorded minimum temperature is 61°F. Thus, the mean temperature average on this month of september in Indianapolis is 70°F. These temperatures are far removed from those records observed in Indianapolis in september with a maximum record of 94°F in 2013 and a minimum record of 41°F in 2011. You can plan to have about 5 days with temperatures over 86°F, or 17 of the month.
On average, in Indianapolis, the days of september last 12:27. The sun rises at 06:26 and sunset is at 18:53.
With a good climate, september is recommended to go there in United States.
Seasonal average climate and temperature of Indianapolis in september
Check below seasonal norms These statistics are generated from the weather statements earlier years of the month of september.
| September | |||||
| Outside temperature | |||||
| Average temperature | 70°F | ||||
| Highest temperature | 77°F | ||||
| Lowest temperature | 61°F | ||||
| Highest record temperature | 94°F (2013) | ||||
| Lowest record temperature | 41°F (2011) | ||||
| Number of days at +86°F | 5 day(s) (17%) | ||||
| Number of days at +65°F | 28 day(s) (93%) | ||||
| Number of days at -32°F | 0 day(s) (0%) | ||||
| Wind | |||||
| Wind speed | 14km/h | ||||
| Wind temperature | 59°F | ||||
| Precipitation (rainfall) | |||||
| Rainfall | 3.8in | ||||
| Number of days with rainfall | 6 day(s) (20%) | ||||
| Record daily rainfall | 3.2in (2018) | ||||
| Snowfall | 0cm | ||||
| Other climate data | |||||
| Humidity | 88% | ||||
| Visibility | 9km | ||||
| Cloud cover | 30% | ||||
| UV index | 6 | ||||
| Daily sunshine hours | 11 | ||||
| Sunrise and sunset | |||||
| Time of sunrise | 06:26 | ||||
| Time of sunset | 18:53 | ||||
| Length of day | 12:27 | ||||
| Our opinion about the weather in september | |||||
| Our opinion at whereandwhen.net | good | ||||
How was the weather last september?
Here is the day by day recorded weather in Indianapolis in september 2024:
63°F to 85°F
56°F to 77°F
52°F to 77°F
58°F to 86°F
67°F to 90°F
68°F to 79°F
49°F to 68°F
45°F to 72°F
54°F to 83°F
59°F to 88°F
63°F to 92°F
65°F to 88°F
67°F to 81°F
68°F to 90°F
67°F to 90°F
63°F to 88°F
58°F to 83°F
59°F to 83°F
63°F to 85°F
67°F to 86°F
65°F to 86°F
74°F to 79°F
65°F to 72°F
61°F to 68°F
65°F to 76°F
63°F to 74°F
65°F to 76°F
65°F to 68°F
63°F to 70°F
67°F to 74°F
Map: other cities in the United States (USA) in september
Cities near Indianapolis:
| Cincinnati in september | good weather |
| Louisville (Kentucky) in september | good weather |
| Chicago in september | good weather |
| Illinois in september | good weather |
| St. Louis (Missouri) in september | good weather |
| Detroit in september | good weather |
| Nashville in september | good weather |
| Cleveland in september | good weather |
| Wisconsin in september | good weather |
| Pittsburgh in september | good weather |
| Missouri in september | good weather |
| Memphis in september | perfect weather |
Click over cities on the map for information about the weather in september.
Indianapolis
perfect weather
good
tolerable
bad
very bad
Weather data for Indianapolis in september:
Weather data for Indianapolis for september are derived from an average of the weather forecast since 2009 in Indianapolis. There is a margin of error and these forecasts are to be considered as general information only. The weather in Indianapolis can vary slightly from year to year, but this data should limit surprises. So you can pack your bags or check for the best time in year to go to Indianapolis.