Go to the Meteum home pageGo to the Meteum home page
Go to the Meteum home pageGo to the Meteum home page

September weather forecast in St. Louis

Average data for 10 years

  • 30 August, Sunday. morning, 29°; night, 20°; ; Feels like +25°; Pressure 747 millimeters of mercury; Humidity 72%; Wind speed 3.2 Meters per second, north-easterly;

  • 31 August, Monday. morning, 29°; night, 20°; ; Feels like +25°; Pressure 747 millimeters of mercury; Humidity 72%; Wind speed 3.2 Meters per second, easterly;

  • 1 September, Tuesday. morning, 29°; night, 20°; ; Feels like +25°; Pressure 747 millimeters of mercury; Humidity 72%; Wind speed 3.5 Meters per second, easterly;

  • 2 September, Wednesday. morning, 29°; night, 19°; rain; Feels like +24°; Pressure 748 millimeters of mercury; Humidity 71%; Wind speed 3.2 Meters per second, easterly;

  • 3 September, Thursday. morning, 29°; night, 19°; ; Feels like +24°; Pressure 747 millimeters of mercury; Humidity 70%; Wind speed 3.2 Meters per second, south-easterly;

  • 4 September, Friday. morning, 29°; night, 19°; ; Feels like +24°; Pressure 747 millimeters of mercury; Humidity 69%; Wind speed 3.5 Meters per second, easterly;

  • 5 September, Saturday. morning, 28°; night, 19°; ; Feels like +23°; Pressure 748 millimeters of mercury; Humidity 70%; Wind speed 3.7 Meters per second, easterly;

  • 6 September, Sunday. morning, 28°; night, 18°; ; Feels like +23°; Pressure 748 millimeters of mercury; Humidity 69%; Wind speed 3.9 Meters per second, southerly;

  • 7 September, Monday. morning, 28°; night, 18°; ; Feels like +23°; Pressure 748 millimeters of mercury; Humidity 68%; Wind speed 3.7 Meters per second, south-westerly;

  • 8 September, Tuesday. morning, 27°; night, 17°; rain; Feels like +22°; Pressure 747 millimeters of mercury; Humidity 70%; Wind speed 3.7 Meters per second, south-easterly;

  • 9 September, Wednesday. morning, 27°; night, 17°; rain; Feels like +21°; Pressure 747 millimeters of mercury; Humidity 71%; Wind speed 3.5 Meters per second, north-easterly;

  • 10 September, Thursday. morning, 28°; night, 17°; ; Feels like +22°; Pressure 748 millimeters of mercury; Humidity 70%; Wind speed 3.2 Meters per second, south-easterly;

  • 11 September, Friday. morning, 28°; night, 17°; ; Feels like +22°; Pressure 748 millimeters of mercury; Humidity 70%; Wind speed 3.5 Meters per second, southerly;

  • 12 September, Saturday. morning, 27°; night, 17°; ; Feels like +21°; Pressure 748 millimeters of mercury; Humidity 67%; Wind speed 3.9 Meters per second, southerly;

  • 13 September, Sunday. morning, 27°; night, 17°; ; Feels like +20°; Pressure 748 millimeters of mercury; Humidity 67%; Wind speed 3.7 Meters per second, southerly;

  • 14 September, Monday. morning, 27°; night, 16°; rain; Feels like +20°; Pressure 748 millimeters of mercury; Humidity 70%; Wind speed 3.9 Meters per second, south-easterly;

  • 15 September, Tuesday. morning, 26°; night, 16°; ; Feels like +19°; Pressure 749 millimeters of mercury; Humidity 68%; Wind speed 3.7 Meters per second, easterly;

  • 16 September, Wednesday. morning, 26°; night, 16°; ; Feels like +20°; Pressure 749 millimeters of mercury; Humidity 70%; Wind speed 3.5 Meters per second, easterly;

  • 17 September, Thursday. morning, 26°; night, 17°; rain; Feels like +20°; Pressure 748 millimeters of mercury; Humidity 70%; Wind speed 3.2 Meters per second, south-easterly;

  • 18 September, Friday. morning, 27°; night, 18°; ; Feels like +21°; Pressure 747 millimeters of mercury; Humidity 71%; Wind speed 3.4 Meters per second, south-easterly;

  • 19 September, Saturday. morning, 28°; night, 18°; ; Feels like +21°; Pressure 747 millimeters of mercury; Humidity 69%; Wind speed 4.1 Meters per second, southerly;

  • 20 September, Sunday. morning, 27°; night, 17°; rain; Feels like +21°; Pressure 747 millimeters of mercury; Humidity 72%; Wind speed 3.9 Meters per second, southerly;

  • 21 September, Monday. morning, 26°; night, 16°; ; Feels like +20°; Pressure 747 millimeters of mercury; Humidity 69%; Wind speed 4 Meters per second, southerly;

  • 22 September, Tuesday. morning, 26°; night, 15°; ; Feels like +19°; Pressure 748 millimeters of mercury; Humidity 69%; Wind speed 4 Meters per second, southerly;

  • 23 September, Wednesday. morning, 25°; night, 16°; ; Feels like +19°; Pressure 748 millimeters of mercury; Humidity 71%; Wind speed 3.5 Meters per second, south-easterly;

  • 24 September, Thursday. morning, 25°; night, 15°; ; Feels like +19°; Pressure 747 millimeters of mercury; Humidity 70%; Wind speed 3.9 Meters per second, southerly;

  • 25 September, Friday. morning, 26°; night, 14°; rain; Feels like +19°; Pressure 747 millimeters of mercury; Humidity 70%; Wind speed 3.7 Meters per second, westerly;

  • 26 September, Saturday. morning, 25°; night, 15°; ; Feels like +18°; Pressure 747 millimeters of mercury; Humidity 68%; Wind speed 4 Meters per second, westerly;

  • 27 September, Sunday. morning, 25°; night, 14°; ; Feels like +18°; Pressure 746 millimeters of mercury; Humidity 68%; Wind speed 3.9 Meters per second, westerly;

  • 28 September, Monday. morning, 24°; night, 13°; ; Feels like +17°; Pressure 747 millimeters of mercury; Humidity 67%; Wind speed 4.4 Meters per second, north-westerly;

  • 29 September, Tuesday. morning, 24°; night, 14°; ; Feels like +16°; Pressure 749 millimeters of mercury; Humidity 67%; Wind speed 4 Meters per second, north-westerly;

  • 30 September, Wednesday. morning, 24°; night, 14°; ; Feels like +16°; Pressure 748 millimeters of mercury; Humidity 66%; Wind speed 4 Meters per second, westerly;

  • 1 October, Thursday. morning, 24°; night, 14°; ; Feels like +16°; Pressure 748 millimeters of mercury; Humidity 66%; Wind speed 4.3 Meters per second, southerly;

  • 2 October, Friday. morning, 24°; night, 14°; ; Feels like +16°; Pressure 748 millimeters of mercury; Humidity 66%; Wind speed 4.4 Meters per second, south-westerly;

  • 3 October, Saturday. morning, 24°; night, 14°; ; Feels like +17°; Pressure 748 millimeters of mercury; Humidity 68%; Wind speed 4.4 Meters per second, southerly;

September in St. Louis is the sunniest month of the year. In September, the weather in St. Louis is typically warm. The average daily high in September is 22 degrees above zero. On average, St. Louis has 16 sunny, 7 rainy, and 4 cloudy days in September. September along with {{month_nom}} is considered the most comfortable time to visit St. Louis.