Early autumn · Weather & things to do
Ithaca in September
Ithaca cools off: highs slip to 76°F (24°C), from 82°F in August, with lows of 55°F (13°C) and about 4.0 in (102 mm) of rain.
At 81/100 for comfort (2nd of 12), it's one of the best months to visit.
- Avg high
- 76°F (24°C)
- Avg low
- 55°F (13°C)
- Rain
- 4.0 in (102 mm)
- Humidity
- 75%
- Cloud cover
- 55%
- Daylight
- ~12 h 16 min
- Comfort score
- 81/100 · Great
What September feels like
Days are warm, averaging 76°F (24°C), easy weather for being outside from morning to evening.
Nights cool to an average low of 55°F (13°C).
Some rain is likely, about 4.0 in (102 mm) in the month, so pack for a shower or two.
Plan around September
September is one of Ithaca's best months on the climate data.
- Last warm month for a while: October highs fall to 61°F.
- Last of the best-scoring months: by October, the score drops to 74/100.
- Comfort improves from 76/100 in August to 81/100.
- September sits inside the May – Oct window our Finger Lakes Wine Trail route recommends.
What to pack for September
- Light, breathable clothes76°F afternoons
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost picks involve some walking
What to do in Ithaca in September
With conditions on your side, the picks below favor time outside.
Cornell Botanic Gardens
Herb gardens, arboretum and gorge trails on the Cornell campus.
Why now Our curated notes say it's best May–Oct.
Taughannock Falls State Park
215-foot plunge falls at the end of an easy gorge trail, plus a rim overlook.
Why now Our curated notes list it for "spring or after rain", which suits a wetter month.
Ithaca Farmers Market
Lakeside pavilion market with farm stands and prepared food from local vendors.
Why now Our curated notes say it's best saturday morning, Apr–Dec.
Purity Ice Cream
Ithaca scoop shop since 1936, known for big portions and local flavors.
Ithaca Beer Co.
Local brewery taproom with wood-fired food and the Flower Power IPA.
Nearby in September
- Keuka Lake in September~34 mi · highs 75°F, 3.8 in rain · similar daytime temperatures, about as wet
- Seneca Lake in September~38 mi · highs 75°F, 3.6 in rain · similar daytime temperatures, about as wet
- Prince Edward County in September~114 mi · highs 71°F, 2.6 in rain · 3°C (5°F) cooler by day, drier
- Hudson in September~139 mi · highs 76°F, 4.3 in rain · similar daytime temperatures, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~401 m to Ithaca's ~121 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Ithaca in September: quick answers
Is September a good time to visit Ithaca?
Yes. On the climate data it's one of the best months, scoring 81/100. Expect highs of 76°F (24°C) and 4.0 in (102 mm) of rain. September is inside the May – Oct window our Finger Lakes Wine Trail route recommends.
How hot is Ithaca in September?
Average highs are 76°F (24°C) and average lows 55°F (13°C), making it the 4th-warmest month by daytime highs.
Does it rain a lot in Ithaca in September?
Some: about 4.0 in (102 mm) of rain falls across September on average, the 5th-wettest month of the year. The annual total is about 42.2 in (1071 mm).
What should I pack for Ithaca in September?
Bring light, breathable clothes (76°F afternoons), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most picks involve some walking).
Routes in season in September
- Finger Lakes Wine Trail May – Oct
Planning Ithaca in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.