Columbus, Ohio weather in September

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

Average high: 78°F
Average low: 59°F
Rainy days: ~9 per month
Total precipitation: 2.8 in
Warmest recorded: 91°F
Coldest recorded: 43°F

Expect September days in Columbus, Ohio to top out around 78°F and cool to about 59°F overnight, with roughly 9 days of measurable rain across the month. In recent years September has ranged from 43°F to 91°F.

Other months

January February March April May June July August October November December

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