Cuyahoga Valley in September: Crowds, Weather & What to Pack
Peak crowds · VisitWhen score 62/100 · #4 of 12 months
September is peak season — the 6th-busiest month of the year, at Cuyahoga Valley National Park: crowds run 79% of the July peak (291,197 average visits). Weather: highs average 74°F and lows 52°F, with 3.8″ of precipitation and 12.5 hours of daylight. Computed from NPS and NOAA data.
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Bring for Cuyahoga Valley in September
- Rain shell + pack coverSee it on AmazonWhy: 3.8″ of precipitation is normal this month.
- Waterproof bootsSee it on AmazonWhy: 3.8″ of precipitation is normal this month.
- Water bottles for the daySee it on AmazonWhy: hydration is one of the NPS Ten Essentials.
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Cuyahoga Valley in September: what the park service says
September cools Cuyahoga Valley to average days of 72°F and nights of 54°F, with about 4 inches of rain, by the park's climate table. A Towpath Trail section between the Boston Trailhead and Lock 29 in Peninsula is tentatively closed for repairs from August 24 to November 20, 2026, so plan rides around that gap. Boston Store parking is for limited mobility only.
Source: NPS 1, NPS 2, checked 2026-11-05.
Crowds in September
Cuyahoga Valley averages 291,197 recreation visits in September — 79% of what July, the peak month, draws. Trailheads and parking fill accordingly — book early and start days at dawn.
Weather & daylight
Days are mild (highs average 74°F), and nights stay mild (lows average 52°F). Average precipitation is 3.8″ for the month. Mid-month daylight runs 12.5 hours.
NOAA 1991–2020 monthly normals, station STOW 4 SE, OH US (9 mi from park coordinates, 1,060 ft elevation) — conditions vary inside the park, especially with elevation. Daylight computed for the 15th of September.
What to pack for Cuyahoga Valley in September
Computed from the month's weather normals above — not a generic list.
- Rain shell + pack cover — 3.8″ of precipitation is normal this month
- Waterproof boots — plus navigation and a basic first-aid kit — 3.8″ of precipitation is normal this month
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If your dates are flexible, consider shifting: The computed best months for Cuyahoga Valley are April and May.
Also at their best in September
Other parks whose computed September verdict is a best window — same NPS × NOAA formula:
- Wrangell–St. Elias in September — 25% of peak crowds, highs 56°F, score 84/100
- Guadalupe Mountains in September — 35% of peak crowds, highs 80°F, score 81/100
- Gateway Arch in September — 29% of peak crowds, highs 81°F, score 80/100
- Isle Royale in September — 39% of peak crowds, highs 65°F, score 79/100
Common questions
Is Cuyahoga Valley crowded in September?
Yes — September runs 79% of Cuyahoga Valley's peak, averaging 291,197 recreation visits (NPS, 2021–2025). See every month at Cuyahoga Valley.
What is the weather like in Cuyahoga Valley in September?
Average highs of 74°F, lows of 52°F, 3.8″ of precipitation (NOAA 1991–2020 normals, STOW 4 SE, OH US station). Compare it with other national parks in September.
What should I pack for Cuyahoga Valley in September?
Rain shell + pack cover; Waterproof boots — plus navigation and a basic first-aid kit — the full weather-computed list is on this page. Going in October instead? Cuyahoga Valley in October has its own list.
See also: the best national parks to visit in September · Last verified 2026-09-24