Early autumn · Weather & things to do
Seneca Lake in September
Seneca Lake cools off: highs slip to 75°F (24°C), from 82°F in August, with lows of 55°F (13°C) and about 3.6 in (91 mm) of rain.
At 84/100 for comfort (the top score of the year), it's one of the best months to visit.
- Avg high
- 75°F (24°C)
- Avg low
- 55°F (13°C)
- Rain
- 3.6 in (91 mm)
- Humidity
- 72%
- Cloud cover
- 55%
- Daylight
- ~12 h 16 min
- Comfort score
- 84/100 · Great
What September feels like
Warm afternoons near 75°F (24°C) make long days outdoors easy.
Nights cool to an average low of 55°F (13°C).
Showers are part of the month, adding up to about 3.6 in (91 mm).
Plan around September
September is one of Seneca Lake's best months on the climate data.
- Last warm month for a while: October highs fall to 60°F.
- Inside the wettest three-month stretch, August – October.
- Last of the best-scoring months: by October, the score drops to 72/100.
- Comfort improves from 81/100 in August to 84/100.
- September sits inside the May – Oct window our Finger Lakes Wine Trail route recommends.
What to pack for September
- Light, breathable clotheshighs average 75°F
- Packable rain jacket or umbrellaabout 3.6 in of rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Seneca Lake in September
With conditions on your side, the picks below favor time outside.
Silver Thread Winegarden
Wine tastings and seated wine-and-food pairings in the former Dano's farmhouse above Seneca Lake.
Why now September scores 84/100 for comfort, good conditions for being outside.
Fox Run Vineyards
Lakeside winery in a restored dairy barn, with a café for lunch.
Watkins Glen State Park
Gorge Trail with 19 waterfalls, stone bridges and a walk behind Rainbow Falls.
Why now Highs near 75°F and 3.6 in of monthly rain make this an easy outdoor pick.
Belhurst Castle
1880s red-stone castle on the lake with a winery tasting room and dining.
Kindred Fare
Farm-to-table restaurant in Geneva with a seasonal menu and local wine list.
Nearby in September
- Keuka Lake in September~21 mi · highs 75°F, 3.8 in rain · similar daytime temperatures, about as wet
- Ithaca in September~38 mi · highs 76°F, 4.0 in rain · similar daytime temperatures, about as wet
- Prince Edward County in September~79 mi · highs 71°F, 2.6 in rain · 2°C (4°F) cooler by day, drier
- Niagara Falls & Niagara-on-the-Lake in September~109 mi · highs 73°F, 3.2 in rain · 1°C (2°F) cooler by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Seneca Lake in September: quick answers
Is September a good time to visit Seneca Lake?
Yes. On the climate data it's one of the best months, scoring 84/100. Expect highs of 75°F (24°C) and 3.6 in (91 mm) of rain. September is inside the May – Oct window our Finger Lakes Wine Trail route recommends.
How hot is Seneca Lake in September?
Average highs are 75°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 Seneca Lake in September?
Some: about 3.6 in (91 mm) of rain falls across September on average, the 5th-wettest month of the year. The annual total is about 39.7 in (1009 mm).
What should I pack for Seneca Lake in September?
Bring light, breathable clothes (highs average 75°F), packable rain jacket or umbrella (about 3.6 in of rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Seneca Lake
Routes in season in September
- Finger Lakes Wine Trail May – Oct
Planning Seneca Lake in September?
Share this September plan with your group, poll everyone on dates and keep the packing list in one place.