Cincinnati
United States · North America
Year-round range: 26°F to 86°F
September
Excellent conditions this month
Your monthly fit score
Comfort fit by month.
Climate details▼
Temperature
Average highs and lows.
September is warm and sunny — good for being outdoors.
Shaded band = typical daily swing (P10 of night lows to P90 of afternoon peaks) — spans wider than avg high/low lines because it captures day-to-day variation.
| = SepPrecipitation
Monthly precipitation, wet-day risk, and snow signal where relevant.
September has moderate rainfall — occasional showers but mostly manageable.
Sunshine
Average hours of bright sun per day.
September is sunny overall, with occasional showers to plan around.
Clear sky
Clear-sky share is the inverse of average cloud cover (100% minus cloud cover). Band labels follow standard meteorological categories; distribution within each band varies by day.
Air comfort by month
Humidity and heat feel by month.
September is mostly comfortable — low heat and humidity pressure.
Time-of-day patterns
Typical hourly rhythm for September.
Temperature by hour
Temperature by hour and month
Typical temperature through the day across the year (1996-2025 normals, local time). Shaded cells are nighttime.
In September, afternoons reach about 79° and nights settle near 63°.
▶Full month-by-month data
| Month | High °F | Low °F | Rain days | Rain (in) | Sun h/day | Humidity |
|---|---|---|---|---|---|---|
| Jan | 40°F | 26°F | 9 | 3.3in | 3.7h | 68.42857142857143% |
| Feb | 45°F | 28°F | 9 | 3.2in | 4.4h | 65.57142857142857% |
| Mar | 56°F | 37°F | 11 | 4.2in | 5.4h | 62% |
| Apr | 66°F | 46°F | 12 | 4.5in | 6.5h | 63.285714285714285% |
| May | 74°F | 56°F | 14 | 4.6in | 7h | 69.42857142857143% |
| Jun | 83°F | 65°F | 13 | 4.6in | 8.3h | 68.42857142857142% |
| Jul | 86°F | 69°F | 14 | 4.0in | 8.8h | 69.28571428571428% |
| Aug | 85°F | 67°F | 11 | 3.4in | 8.7h | 68.42857142857143% |
| Sep | 79°F | 61°F | 9 | 3.1in | 8.2h | 65.28571428571428% |
| Oct | 68°F | 50°F | 9 | 3.2in | 6.6h | 65.14285714285714% |
| Nov | 55°F | 39°F | 9 | 3.2in | 5h | 67.57142857142857% |
| Dec | 45°F | 31°F | 10 | 3.7in | 3.5h | 71% |