Ithaca Weather in September

September in Ithaca brings high temperatures, with highs of 23°C (73°F) and nights dropping to 11°C (52°F). Rainfall is on the higher side this month, averaging around 90 mm (3.5 in), so keep a rain jacket handy.

Rainfall in Ithaca in September

Expect around 11 days of rain based on historical data, with 90 mm (3.5 in) average. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Ithaca in September

September is a good time to be in Ithaca. Days are perfect, reaching 23°C (73°F), with nights around 11°C (52°F). Overall, the month follows a fairly predictable daily temperature pattern. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Ithaca in September

Enjoy a sunny month with about 191 hours of sunshine, the clear skies make Ithaca even more beautiful.

If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Ithaca.

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Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Ithaca's climate page.

Ithaca Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 23°C (73°F)  

Chance of Rain 37%  

Precipitation 90 mm (3.5 in)  

Rainy days 11 days  

Humidity 73% *  

Sunshine 191 hours *  

Percentage Sunshine 50% *  

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

What to Wear in Ithaca in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Ithaca in September

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

Swimming

6/10

Cycling

9/10

Walking

9/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United States of America, check out our Ithaca's climate page.

More climate data for Ithaca

Temperature Rainfall Sunshine Humidity

See the full Ithaca climate overview or explore weather in the United States of America.