Measurements:
°C
°F
Saint Charles
46°F
E 20 mph
Feels like: 38°F
Precip: 0%
World Resorts USA Saint Charles Weather September Weather in Saint Charles

Saint Charles Weather: September

Average Day Temperature: 84.5°F
Average Night Temperature: 67.3°F
Number of Sunny Days: 18 days
Sunshine Hours: 11.8 - 13.0 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.4 in

Air Temperature in September, °F

Select Year: 2024 2023 2022

The highest day temperature in September 2024 was 98°F. The lowest night temperature was 47°F. The average values for day and night temperatures during September were 84.2°F и 63.7°F respectivly.

Sunny, Cloudy and Gloomy days

Most of the days in September are sunny but you can also expect cloudy and gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Saint Charles is 0.4 in. It makes september the least rainy month of the year.

Wind Speed in September, mph

The average wind speed in September is 6.9 mph. It makes September one of the most windless months of the year for Saint Charles.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Saint Charles in September is 8.8 hours.

Best Time to Visit Saint Charles
The most sunny months:
September 18 days
October 18 days
November 17 days
The most warm months:
July 90.3 °F
August 89.4 °F
June 87.6 °F
The most cold months:
January 35.5 °F
February 40.2 °F
December 44.4 °F
The most rainy months:
May 5 days
March 4 days
July 4 days
The most windy months:
March 9 mph
April 9 mph
February 9 mph

Saint Charles on the Weather Map

USA Resorts:
NAME
Boston +48
Chicago +34
Hawaii +80
Honolulu +80
Houston +74
Las Vegas +68
Los Angeles +74
Maui +74
Miami +80
New York +48
San Diego +70
San Francisco +58
Sarasota +74
Tampa +72
Washington +48
24 Hours Weather Forecast
Saint Charles
Local time: 16:03
21 nov, thursday
1800 42°F
SE
21 mph
2100 38°F
SE
19 mph
22 nov, friday
0000 36°F
SE
15 mph
0300 34°F
SE
12 mph
0600 34°F
SE
11 mph
0900 36°F
SE
11 mph
1200 38°F
SE
11 mph
1500 42°F
SE
11 mph