Measurements:
°C
°F
Rochester
8°F
NE 18 mph
Feels like: -12°F
Precip: 0%
World Resorts USA Rochester Weather September Weather in Rochester

Rochester Weather: September

Average Day Temperature: 75.0°F
Average Night Temperature: 58.0°F
Number of Sunny Days: 15 days
Sunshine Hours: 11.8 - 13.2 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.7 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 91°F. The lowest night temperature was 37°F. The average values for day and night temperatures during September were 74.5°F и 58.0°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 Rochester is 0.7 in.

Wind Speed in September, mph

The average wind speed in September is 9.5 mph. It makes September one of the most windless months of the year for Rochester.

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 Rochester in September is 8.3 hours.

Best Time to Visit Rochester
The most sunny months:
October 16 days
September 15 days
August 13 days
The most warm months:
July 81.2 °F
August 80.4 °F
June 77.6 °F
The most cold months:
January 17.5 °F
February 20.4 °F
December 27.1 °F
The most rainy months:
June 4 days
August 3 days
April 3 days
The most windy months:
April 12 mph
March 11 mph
November 11 mph

Rochester on the Weather Map

USA Resorts:
NAME
Chicago 0
Hawaii +78
Honolulu +78
Houston +46
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Rochester
Local time: 01:20
05 dec, friday
0300 10°F
NE
15 mph
0600 10°F
NE
11 mph
0900 12°F
NE
10 mph
1200 18°F
NE
9 mph
1500 24°F
NE
8 mph
1800 26°F
E
7 mph
2100 26°F
SE
11 mph
06 dec, saturday
0000 20°F
SE
15 mph