Cuyahoga Valley in September: Crowds, Weather & What to Pack

Peak crowds · VisitWhen score 62/100 · #4 of 12 months

September is peak season — expect the year's biggest crowds at Cuyahoga Valley National Park: crowds run 79% of the July peak (291,197 average visits), days average 74°F with 12.5 hours of daylight. Computed from NPS and NOAA data.

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
• Sturdy broken-in footwear, navigation and a basic first-aid kit — every park, every 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:

• Big Bend in September — 26% of peak crowds, highs 79°F, score 84/100
• 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

Common questions

See also: the best national parks to visit in September · Last verified 2026-09-12