Measurements:
°C
°F
Dayton
60°F
E 21 mph
Feels like: 58°F
Precip: 0%
World Resorts USA Dayton Weather September Weather in Dayton

Dayton Weather: September

Average Day Temperature: 79.1°F
Average Night Temperature: 61.9°F
Number of Sunny Days: 18 days
Sunshine Hours: 11.8 - 13.0 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.5 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 92°F. The lowest night temperature was 50°F. The average values for day and night temperatures during September were 83.7°F и 62.0°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 Dayton is 0.5 in. It makes september the least rainy month of the year.

Wind Speed in September, mph

The average wind speed in September is 6.8 mph. It makes September one of the most windless months of the year for Dayton.

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 Dayton in September is 8.7 hours.

Best Time to Visit Dayton
The most sunny months:
September 18 days
October 16 days
August 14 days
The most warm months:
July 85.1 °F
August 83.3 °F
June 80.5 °F
The most cold months:
January 31.2 °F
February 35.8 °F
December 38.7 °F
The most rainy months:
May 3 days
April 3 days
June 2 days
The most windy months:
March 10 mph
April 9 mph
January 9 mph

Dayton on the Weather Map

USA Resorts:
NAME
Chicago +44
Hawaii +76
Honolulu +76
Houston +78
Las Vegas +96
Los Angeles +100
Maui +70
Miami +80
Miami Beach +82
New York +42
San Diego +94
San Francisco +74
Sarasota +76
Tampa +82
Washington +60
24 Hours Weather Forecast
Dayton
Local time: 18:23
13 mar, friday
2100 48°F
E
17 mph
14 mar, saturday
0000 40°F
E
16 mph
0300 34°F
SE
11 mph
0600 30°F
SE
7 mph
0900 32°F
S
6 mph
1200 38°F
SW
3 mph
1500 42°F
NW
3 mph
1800 44°F
NW
6 mph