Ithaca weather in September (New York State, United States of America)

Looking to travel to Ithaca in September? Check out this comprehensive weather guide.

In Ithaca, September is characterized by high temperatures and moderate rainfall. Throughout the daytime, temperatures often hover around 23°C. However, as the sun sets and evening approaches, there's a noticeable cool-down, with temperatures gently dropping to a more temperate 11°C.

Ithaca in September usually receives moderate rainfall, averaging around 90 mm for the month. Delving into the climate records from the past 30 years, one can predict that nearly 11 days of the month will see rainfall.

The city usually sees around 191 hours of sunlight, indicating many sunny days.

If you're inclined towards comfortable temperatures and drier conditions, September is a prime time to visit Ithaca. May, June, July, August and September typically offer the best circumstances. While January, February, March, November and December tend to showcase less optimal conditions.

For an in-depth look at the yearly conditions, visit our specialized Ithaca climate page with graphs.

 

Ithaca, monthly averages in September

Min Temperature 11°C  

Max Temperature 23°C  

Chance of Rain 37%  

Precipitation 90 mm  

Rainy days 11 days  

Humidity 73% *  

Sunshine 191 hours *  

Percentage Sunshine 50% *  

* Data from: Syracuse, the United States of America (73 KM, 45 Miles).

Where to go in the United States of America in September

Find out more about the weather in the United States of America in September and which places have the best weather conditions in this month.

Weather conditions Weather

Temperatures

Precipitation

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Legend perfect weather pleasant tolerable unpleasant poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

So, what should you wear in this month?

For visitors traveling to Ithaca, we recommend wearing layers. So maybe a skirt, t-shirt, shorts for during the day and jeans and a warm jacket for some days and evenings. Bring a rain jacket in case it rains during your stay. Plan on layering your clothes.

What To Do

We rated the following activities from 1 (least suitable) to 10 (best) to do in September.

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Interested in more climate information?

This site provides you with all the information you need about the climate in Ithaca.

Our site offers climate and forecast data for every country in the world. Are you going to the United States of America? On this website you can find historical weather averages for many cities in the United States of America. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.