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 Costa Mesa

Average data for 10 years

  • 30 August, Sunday. morning, 27°; night, 19°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +26°

  • 31 August, Monday. morning, 27°; night, 19°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 72%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +26°

  • 1 September, Tuesday. morning, 27°; night, 19°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 72%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +26°

  • 2 September, Wednesday. morning, 28°; night, 19°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 72%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +26°

  • 3 September, Thursday. morning, 28°; night, 19°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.6 Meters per second, south-westerly; Daytime water temperature +26°

  • 4 September, Friday. morning, 28°; night, 19°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +25°

  • 5 September, Saturday. morning, 28°; night, 19°; ; Feels like +24°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +26°

  • 6 September, Sunday. morning, 28°; night, 19°; ; Feels like +24°; Pressure 759 millimeters of mercury; Humidity 70%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +26°

  • 7 September, Monday. morning, 28°; night, 19°; ; Feels like +23°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +25°

  • 8 September, Tuesday. morning, 27°; night, 19°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 72%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +25°

  • 9 September, Wednesday. morning, 27°; night, 18°; ; Feels like +23°; Pressure 758 millimeters of mercury; Humidity 71%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +25°

  • 10 September, Thursday. morning, 26°; night, 18°; ; Feels like +22°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +25°

  • 11 September, Friday. morning, 26°; night, 18°; ; Feels like +22°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +25°

  • 12 September, Saturday. morning, 26°; night, 18°; ; Feels like +22°; Pressure 759 millimeters of mercury; Humidity 73%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +25°

  • 13 September, Sunday. morning, 26°; night, 18°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +24°

  • 14 September, Monday. morning, 26°; night, 18°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 73%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +25°

  • 15 September, Tuesday. morning, 26°; night, 18°; ; Feels like +22°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +25°

  • 16 September, Wednesday. morning, 26°; night, 18°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 73%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +25°

  • 17 September, Thursday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4 Meters per second, south-westerly; Daytime water temperature +24°

  • 18 September, Friday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +24°

  • 19 September, Saturday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 75%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +24°

  • 20 September, Sunday. morning, 25°; night, 17°; rain; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +24°

  • 21 September, Monday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 75%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +24°

  • 22 September, Tuesday. morning, 26°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4.5 Meters per second, south-westerly; Daytime water temperature +25°

  • 23 September, Wednesday. morning, 26°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 73%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +26°

  • 24 September, Thursday. morning, 26°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +26°

  • 25 September, Friday. morning, 26°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 73%; Wind speed 4.4 Meters per second, south-westerly; Daytime water temperature +26°

  • 26 September, Saturday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 73%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +27°

  • 27 September, Sunday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4 Meters per second, south-westerly; Daytime water temperature +26°

  • 28 September, Monday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 74%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +25°

  • 29 September, Tuesday. morning, 26°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4 Meters per second, south-westerly; Daytime water temperature +25°

  • 30 September, Wednesday. morning, 26°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4.3 Meters per second, south-westerly; Daytime water temperature +26°

  • 1 October, Thursday. morning, 26°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 71%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +26°

  • 2 October, Friday. morning, 25°; night, 17°; ; Feels like +21°; Pressure 759 millimeters of mercury; Humidity 72%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +24°

  • 3 October, Saturday. morning, 24°; night, 16°; ; Feels like +20°; Pressure 759 millimeters of mercury; Humidity 73%; Wind speed 4.1 Meters per second, south-westerly; Daytime water temperature +23°

In September, the weather in Costa Mesa is typically warm. The average daily high in September is 22 degrees above zero. On average, Costa Mesa has 23 sunnyand 1 rainy day in September. September along with July and August is considered the most comfortable time to visit Costa Mesa.