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September weather forecast in Indianapolis

Average data for 10 years

  • 30 August, Sunday. morning, 27°; night, 18°; ; Feels like +22°; Pressure 738 millimeters of mercury; Humidity 71%; Wind speed 4.5 Meters per second, north-easterly;

  • 31 August, Monday. morning, 27°; night, 18°; rain; Feels like +21°; Pressure 739 millimeters of mercury; Humidity 70%; Wind speed 4.3 Meters per second, easterly;

  • 1 September, Tuesday. morning, 27°; night, 18°; ; Feels like +22°; Pressure 739 millimeters of mercury; Humidity 69%; Wind speed 4.4 Meters per second, easterly;

  • 2 September, Wednesday. morning, 27°; night, 18°; ; Feels like +22°; Pressure 739 millimeters of mercury; Humidity 70%; Wind speed 4.1 Meters per second, easterly;

  • 3 September, Thursday. morning, 28°; night, 17°; ; Feels like +22°; Pressure 738 millimeters of mercury; Humidity 68%; Wind speed 4 Meters per second, southerly;

  • 4 September, Friday. morning, 27°; night, 17°; ; Feels like +21°; Pressure 738 millimeters of mercury; Humidity 68%; Wind speed 4 Meters per second, north-westerly;

  • 5 September, Saturday. morning, 27°; night, 17°; ; Feels like +20°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 4.4 Meters per second, easterly;

  • 6 September, Sunday. morning, 27°; night, 17°; ; Feels like +20°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 4.9 Meters per second, southerly;

  • 7 September, Monday. morning, 26°; night, 16°; rain; Feels like +20°; Pressure 738 millimeters of mercury; Humidity 69%; Wind speed 5 Meters per second, westerly;

  • 8 September, Tuesday. morning, 25°; night, 16°; ; Feels like +19°; Pressure 738 millimeters of mercury; Humidity 71%; Wind speed 4.4 Meters per second, westerly;

  • 9 September, Wednesday. morning, 25°; night, 16°; ; Feels like +19°; Pressure 738 millimeters of mercury; Humidity 73%; Wind speed 4.1 Meters per second, north-easterly;

  • 10 September, Thursday. morning, 26°; night, 16°; ; Feels like +19°; Pressure 739 millimeters of mercury; Humidity 71%; Wind speed 4 Meters per second, easterly;

  • 11 September, Friday. morning, 26°; night, 16°; ; Feels like +19°; Pressure 739 millimeters of mercury; Humidity 70%; Wind speed 4.4 Meters per second, south-easterly;

  • 12 September, Saturday. morning, 25°; night, 15°; ; Feels like +19°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 4.4 Meters per second, south-westerly;

  • 13 September, Sunday. morning, 25°; night, 15°; ; Feels like +18°; Pressure 738 millimeters of mercury; Humidity 68%; Wind speed 4.6 Meters per second, south-westerly;

  • 14 September, Monday. morning, 25°; night, 14°; ; Feels like +18°; Pressure 739 millimeters of mercury; Humidity 69%; Wind speed 4.5 Meters per second, southerly;

  • 15 September, Tuesday. morning, 24°; night, 15°; ; Feels like +17°; Pressure 740 millimeters of mercury; Humidity 67%; Wind speed 4.1 Meters per second, easterly;

  • 16 September, Wednesday. morning, 24°; night, 14°; ; Feels like +17°; Pressure 740 millimeters of mercury; Humidity 68%; Wind speed 4.1 Meters per second, easterly;

  • 17 September, Thursday. morning, 25°; night, 15°; ; Feels like +18°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 4.4 Meters per second, easterly;

  • 18 September, Friday. morning, 26°; night, 15°; ; Feels like +18°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 3.9 Meters per second, south-easterly;

  • 19 September, Saturday. morning, 26°; night, 16°; ; Feels like +18°; Pressure 738 millimeters of mercury; Humidity 69%; Wind speed 4.6 Meters per second, southerly;

  • 20 September, Sunday. morning, 26°; night, 16°; rain; Feels like +19°; Pressure 738 millimeters of mercury; Humidity 69%; Wind speed 4.6 Meters per second, southerly;

  • 21 September, Monday. morning, 25°; night, 14°; rain; Feels like +18°; Pressure 738 millimeters of mercury; Humidity 70%; Wind speed 4.6 Meters per second, southerly;

  • 22 September, Tuesday. morning, 24°; night, 14°; ; Feels like +17°; Pressure 738 millimeters of mercury; Humidity 69%; Wind speed 4.9 Meters per second, westerly;

  • 23 September, Wednesday. morning, 24°; night, 14°; rain; Feels like +16°; Pressure 739 millimeters of mercury; Humidity 70%; Wind speed 4.5 Meters per second, south-westerly;

  • 24 September, Thursday. morning, 24°; night, 14°; rain; Feels like +16°; Pressure 738 millimeters of mercury; Humidity 68%; Wind speed 4.6 Meters per second, southerly;

  • 25 September, Friday. morning, 23°; night, 14°; rain; Feels like +16°; Pressure 738 millimeters of mercury; Humidity 69%; Wind speed 4.9 Meters per second, southerly;

  • 26 September, Saturday. morning, 23°; night, 14°; rain; Feels like +16°; Pressure 737 millimeters of mercury; Humidity 70%; Wind speed 5.3 Meters per second, south-westerly;

  • 27 September, Sunday. morning, 23°; night, 13°; ; Feels like +15°; Pressure 736 millimeters of mercury; Humidity 69%; Wind speed 5.5 Meters per second, south-westerly;

  • 28 September, Monday. morning, 22°; night, 12°; rain; Feels like +15°; Pressure 737 millimeters of mercury; Humidity 71%; Wind speed 5.1 Meters per second, north-westerly;

  • 29 September, Tuesday. morning, 22°; night, 12°; ; Feels like +14°; Pressure 738 millimeters of mercury; Humidity 70%; Wind speed 4.9 Meters per second, north-westerly;

  • 30 September, Wednesday. morning, 22°; night, 11°; ; Feels like +13°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 5 Meters per second, north-westerly;

  • 1 October, Thursday. morning, 22°; night, 13°; ; Feels like +13°; Pressure 739 millimeters of mercury; Humidity 67%; Wind speed 5.1 Meters per second, south-westerly;

  • 2 October, Friday. morning, 22°; night, 13°; ; Feels like +14°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 5.5 Meters per second, south-westerly;

  • 3 October, Saturday. morning, 22°; night, 13°; ; Feels like +14°; Pressure 739 millimeters of mercury; Humidity 68%; Wind speed 5.4 Meters per second, southerly;

September in Indianapolis is the sunniest month of the year. In September, the weather in Indianapolis is typically warm. The average daily high in September is 20 degrees above zero. On average, Indianapolis has 15 sunny, 8 rainy, and 4 cloudy days in September. September along with {{month_nom}} is considered the most comfortable time to visit Indianapolis.