Ohio weather in September
September is one of the best months to visit Ohio: highs of 26°C (78°F) and about 77 mm (3.0 in) of rain on average. Nights average 13°C (55°F) and cloud cover 46% (NASA POWER, 2001–2025 averages). It is the 6th driest month of the year and the 4th warmest. Compared with August, it is cooler and about as wet; October brings highs of 18°C (64°F) and 77 mm (3.0 in) of rain.
Figures are long-term averages for Columbus, the largest city in Ohio. See below for other places.
Is September a good time to visit Ohio?
best month Weather score 78/100.
Yes. September is one of the best months for weather in Ohio.
Does it rain a lot in Ohio in September?
Some rain is normal: about 77 mm (3.0 in) falls in an average September. It is the 6th driest month of the year.
How warm is Ohio in September?
Days average 26°C (78°F) and nights 13°C (55°F).
Ohio weather by month
| Month | High | Low | Rain | Cloud | Weather |
|---|---|---|---|---|---|
| January | 2°C (35°F) | -7°C (20°F) | 65 mm | 78% | least pleasant |
| February | 3°C (38°F) | -6°C (21°F) | 62 mm | 73% | least pleasant |
| March | 9°C (49°F) | -1°C (30°F) | 85 mm | 68% | least pleasant |
| April | 17°C (62°F) | 5°C (40°F) | 95 mm | 63% | fair |
| May | 22°C (72°F) | 11°C (52°F) | 105 mm | 64% | best |
| June | 26°C (80°F) | 16°C (61°F) | 104 mm | 55% | best |
| July | 29°C (84°F) | 18°C (65°F) | 93 mm | 54% | best |
| August | 29°C (84°F) | 17°C (63°F) | 78 mm | 50% | best |
| September | 26°C (78°F) | 13°C (55°F) | 77 mm | 46% | best |
| October | 18°C (64°F) | 6°C (43°F) | 77 mm | 57% | best |
| November | 11°C (51°F) | 0°C (32°F) | 71 mm | 61% | fair |
| December | 4°C (39°F) | -4°C (25°F) | 74 mm | 76% | least pleasant |
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis). Page updated . How we rate months
Weather across Ohio in September
Weather can differ a lot within Ohio: coasts, hills and mountains each have their own climate.
| Place | High | Low | Rain | Weather |
|---|---|---|---|---|
| Columbus | 26°C (78°F) | 13°C (55°F) | 77 mm | best |
| Cleveland | 23°C (73°F) | 16°C (61°F) | 88 mm | best |
| Cincinnati | 27°C (81°F) | 14°C (57°F) | 82 mm | best |
| Toledo | 25°C (77°F) | 13°C (55°F) | 78 mm | best |
| Akron | 25°C (76°F) | 12°C (54°F) | 91 mm | best |
| Dayton | 25°C (78°F) | 13°C (55°F) | 77 mm | best |
| Parma | 23°C (73°F) | 16°C (61°F) | 88 mm | best |
| Canton | 25°C (76°F) | 12°C (54°F) | 91 mm | best |
| Youngstown | 25°C (77°F) | 12°C (53°F) | 88 mm | best |
| Lorain | 23°C (73°F) | 16°C (61°F) | 88 mm | best |
| Hamilton | 26°C (79°F) | 14°C (56°F) | 78 mm | best |
| Springfield | 25°C (78°F) | 13°C (55°F) | 77 mm | best |