Weather in Indiana in September

General weather information about Indiana

Average annual temperature is 26.2 °C

Absolute maximum temperature: 40.1 °C

Absolute minimum temperature: 14.7 °C

Number of sunny days: 83 days

Number of rainy days: 282 days

Look at detailed online map of Indiana

* Weather data for Indiana Honduras is based on climate observations for 2026 year

Indiana air temperature forecast for each month

JanFebMarAprMayJunJulAugSepOctNovDec
Absolute maximum temperature (°C)31.831.536.240.139.039.434.434.734.436.531.131.4
Average daytime temperature (°C)27.728.531.734.234.735.532.132.632.431.228.127.1
Average temperature (°C)23.123.725.727.328.529.327.327.727.426.624.723.6
Average night temperature (°C)19.619.821.121.923.924.924.024.123.723.322.420.9
Absolute minimum temperature (°C)14.717.119.019.521.922.922.722.322.421.419.315.8

Indiana monthly weather indicators

JanFebMarAprMayJunJulAugSepOctNovDec
Daylight maximum duration (h)11.011.012.012.012.013.013.012.012.011.011.011.0
Daylight mean duration (h)11.311.612.112.512.813.012.912.612.211.811.411.2
Daylight minimum duration (h)11.011.011.012.012.012.012.012.012.011.011.011.0
Sunshine mean duration (h)9.710.011.011.510.910.59.910.210.79.17.68.3
Precipitation (mm)9169822025188312162230238465140
Sunny days1110142197000137
Rainy days20181792223313130302724
Snow days000000000000

Best time to visit Indiana:

The largest precipitation sum in Indiana is at

  • July — 312(mm)
  • September — 230(mm)
  • October — 238(mm)
  • November — 465(mm)
  • Frequently asked questions

    When is the best time to visit Indiana?
    The historical weather data above shows the warmest, sunniest and driest months to help you choose the best time to visit Indiana.
    What is the weather like in Indiana?
    See average temperature, rainfall and daylight hours for Indiana by month in the table above.
    How many sunny days does Indiana have?
    The monthly weather statistics above show sunshine and rainfall patterns for Indiana throughout the year.