Weather in September 2025

Ithaca weather in September 2025

The temperatures in Ithaca in September are comfortable with low of 10°C and and high up to 21°C.

You can expect about 3 to 8 days of rain in Ithaca during the month of September. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

Our weather forecast can give you a great sense of what weather to expect in Ithaca in September 2025.

If you’re planning to visit Ithaca in the near future, we highly recommend that you review the 14 day weather forecast for Ithaca before you arrive.

Temperatures
Temperatures
21° / 10°
Rainy Days
Rainy Days
7
Snowy Days
Snowy Days
0
Dry Days
Dry Days
23
Rainfall
Rainfall
148
mm
9.6
Sun Hours
9.6
Hrs

Ithaca annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -3° / -9° 5 5 22 99 mm
Awful
February -1° / -8° 5 4 21 112 mm
Awful
March 4° / -4° 8 8 15 116 mm
Awful
April 11° / 2° 11 12 8 147 mm
Awful
May 19° / 8° 10 21 1 162 mm
Ok
June 23° / 12° 9 21 0 184 mm
Good
July 26° / 14° 10 21 0 171 mm
Good
August 25° / 14° 8 23 0 163 mm
Good
September 21° / 10° 7 23 0 148 mm
Ok
October 14° / 6° 9 20 2 133 mm
Bad
November 7° / -1° 8 12 10 93 mm
Awful
December 1° / -4° 6 7 18 114 mm
Awful
Temperatures in Ithaca in September
Rain in Ithaca in September

Recommended Hotels in Ithaca

We know that finding the ideal hotel in Ithaca can be a hard task...

That’s why we run our special tools and found the best hotels in Ithaca. Click on hotel for more details.

Weather in Ithaca in September - FAQ

What is the average temperature in Ithaca in September?
The average temperature in Ithaca in September is 10/21° C.
What is the chance of rain in Ithaca in September?
On average, there are 7 rainy days in Ithaca during September.
Weather wise, is September a good time to visit Ithaca?
The weather in Ithaca in September is ok.
Can it snow in Ithaca in September?
On average, there are 0 snowy days in Ithaca in September.
More about the weather in Ithaca