Monthly climate guide
Cleveland weather in September
Expect warm weather in Cleveland in September: afternoons reach about 23°C (74°F), while nights drop to around 17°C (62°F). Around 89 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are 3°C cooler than August and 7°C warmer than October.
What stands out in September
- September is Cleveland's third warmest month.
- Temperatures are falling — expect highs around 6°C lower by October.
- September brings early autumn to Cleveland.
- Cleveland is usually about 3°C cooler than Columbus, 200 km away, in September.
Avg high
23°C
74°F
Avg low
17°C
62°F
Rainfall
89 mm
some rain
Humidity
74%
relative
Sky
59%
cloud · often cloudy
Cleveland weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 0°C / 32°F | -5°C / 22°F | 59 mm | 85% | 84% |
| February | 1°C / 33°F | -5°C / 22°F | 62 mm | 85% | 79% |
| March | 5°C / 41°F | -2°C / 29°F | 73 mm | 82% | 77% |
| April | 11°C / 52°F | 4°C / 39°F | 87 mm | 80% | 77% |
| May | 18°C / 64°F | 11°C / 52°F | 94 mm | 81% | 75% |
| June | 23°C / 73°F | 17°C / 62°F | 107 mm | 78% | 68% |
| July | 26°C / 79°F | 21°C / 69°F | 89 mm | 75% | 62% |
| August | 26°C / 79°F | 20°C / 68°F | 79 mm | 72% | 59% |
| September | 23°C / 74°F | 17°C / 62°F | 89 mm | 74% | 59% |
| October | 17°C / 62°F | 11°C / 51°F | 99 mm | 77% | 68% |
| November | 9°C / 48°F | 4°C / 38°F | 64 mm | 78% | 73% |
| December | 4°C / 39°F | 0°C / 31°F | 67 mm | 84% | 84% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A compact umbrella or packable rain jacket
- Water-resistant shoes
Is September a good time to visit Cleveland?
Compare the months in the chart above to find your ideal window.
Best time to visit Cleveland →Other United States cities in September
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Cleveland weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/usa/cleveland/september
<a href="https://weathercompare.eu/weather/usa/cleveland/september">Cleveland weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/usa/cleveland" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Cleveland weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/usa/cleveland/september">Cleveland weather in September</a> – WeatherCompare</p>
Cleveland in September: quick answers
Is September a good time to visit Cleveland?
Yes. September is one of the best months for Cleveland, with highs around 23°C and about 89 mm of rain.
How warm is Cleveland in September?
Average highs are about 23°C (74°F) and average lows about 17°C (62°F), based on 10 years of daily data.
Does it rain a lot in Cleveland in September?
Cleveland typically gets around 89 mm of rain in September — some rain.
Figures are long-term averages for the area around Cleveland (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.