Measurements:
°C
°F
Ithaca
90°F
SE 13 mph
Feels like: 92°F
Precip: 1%
World Resorts USA Ithaca Weather September Weather in Ithaca

Ithaca Weather: September

Average Day Temperature: 70.8°F
Average Night Temperature: 55.6°F
Number of Sunny Days: 11 days
Sunshine Hours: 11.8 - 13.1 hours
Number of Rainy Days: 1 day
Precipitation Totals: 0.8 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 81°F. The lowest night temperature was 38°F. The average values for day and night temperatures during September were 73.1°F и 53.7°F respectivly.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Ithaca is 0.8 in. It makes september one of the least rainy months of the year.

Wind Speed in September, mph

The average wind speed in September is 6.1 mph. It makes September one of the most windless months of the year for Ithaca.

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 Ithaca in September is 6.9 hours.

Best Time to Visit Ithaca
The most sunny months:
September 11 days
October 10 days
June 9 days
The most warm months:
July 80.8 °F
August 77.6 °F
June 75.3 °F
The most cold months:
January 25.4 °F
February 27.8 °F
December 32.2 °F
The most rainy months:
July 3 days
April 3 days
August 3 days
The most windy months:
March 10 mph
November 9 mph
December 9 mph

Ithaca on the Weather Map

USA Resorts:
NAME
Boston +92
Chicago +86
Hawaii +80
Houston +80
Las Vegas +120
Los Angeles +106
Maui +76
Miami +96
Myrtle Beach +96
New York +110
San Diego +96
San Francisco +76
Santa Monica +84
Sarasota +102
Tampa +100
24 Hours Weather Forecast
Ithaca
Local time: 15:07
15 jul, wednesday
1800 84°F
SE
9 mph
2100 78°F
E
6 mph
16 jul, thursday
0000 74°F
E
3 mph
0300 64°F
E
2 mph
0600 64°F
E
1 mph
0900 74°F
E
5 mph
1200 82°F
SE
10 mph
1500 84°F
SE
13 mph