| < September >
|Normal Max/ High Temperature
|Min/ Low Temperature
|Number of Wet Days (probability of rain on a day)
|Average Sunlight per day
|Average Daylight per day
|Sunny (Cloudy) Daylight Hours
|Sun altitude at solar noon on the 21st day.
- 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).
- In September the variation/ range of diurnal average temperatures is 12.2 °C (22 °F).
- The weather in September is somewhat dry with sporadic rain. Just 72.9mm (2.9in) of fluid falls across an average of 7 days.
- The skies in Indianapolis, Indiana are quite sunny having on balance a sizable 8:52 of gorgeous solar radiation per day.
- The shortest day is 11:45 long and the longest day is 13:02 long with an average length of 12:23.
- There are approximately 3:22 per day when bright sunshine is absent due to cloud, haze or the sun being too low on the horizon to register.
- It is sunny approximately 72.5% of daylight hours and cloudy 27.5% of daylight hours.
Check the distance to and compare the Indianapolis, Indiana September averages with somewhere beginning with:
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Weather Trend Graph for September in Indianapolis, Indiana, Usa
Navigate to September Weather in Locations Surrounding Indianapolis, Indiana:
- Greenville, Oh, Usa - 112.1 kms (69.7 miles) ENE
- Greenfield, In, Usa - 37.4 kms (23.2 miles) NE
- Whitestown, In, Usa - 37.4 kms (23.2 miles) NE
- Anderson, In, Usa - 37.4 kms (23.2 miles) NE
- Columbus, Ga, Usa - 61.3 kms (38.1 miles) SSE
- Seymour, In, Usa - 84.7 kms (52.6 miles) SSE
- Columbus, In, Usa - 84.7 kms (52.6 miles) SSE
- Paoli, In, Usa - 84.7 kms (52.6 miles) SSE
- Scottsburg, In, Usa - 84.7 kms (52.6 miles) SSE
- Salem, In, Usa - 84.7 kms (52.6 miles) SSE