Cleveland, Ohio weather in September

Averages from 2021–2025 (150 days of record).

Average high: 72°F
Average low: 62°F
Rainy days: ~9 per month
Total precipitation: 2.6 in
Warmest recorded: 86°F
Coldest recorded: 44°F

Expect September days in Cleveland, Ohio to top out around 72°F and cool to about 62°F overnight, with roughly 9 days of measurable rain across the month. In recent years September has ranged from 44°F to 86°F.

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Current Cleveland, Ohio forecast → · Historical data by Open-Meteo (ERA5).