World Resorts USA Cincinnati Weather

Cincinnati weather in September

Weather in Cincinnati: September

Average day temperature: 79.1°F
Average night temperature: 62.8°F
Number of sunny days: 18 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 1 day
Precipitation totals: 1.0 in.

Air temperature in September, °F

Show year:
2026
2025
2024

The highest day temperature during September of 2026 was 102°F. At the same time the lowest night temperature was 50°F. Daily and nightly averages during September were 81.0°F and 65.3°F.

Sunny, partly cloudy and cloudy days

Mostly all days in September are sunny but cloudy days are also possible.

Precipitation total in September, in.

Precipitation total value in Cincinnati in September is 1.0 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 5.2 mph It makes September one of the least windy months of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in September is: 8.5.

Best time for vacation in Cincinnati

Sunniest months:
September 18 days
October 16 days
August 14 days
Warmest months:
July 85.7 °F
August 84.0 °F
June 81.0 °F
Coldest months:
January 36.4 °F
February 41.3 °F
December 42.7 °F
Rainiest months:
April 3 days
May 3 days
March 3 days
Windiest months:
March 8.3 mph
April 7.8 mph
January 7.4 mph

Cincinnati on a weather map

Cincinnati
+70°F
NE 7 mph
Feels like: +70°F
Precip.: 1%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Cincinnati
Local time: 12:42
October 29, thursday
1500
75°F
NE
9 mph
1800
72°F
NE
6 mph
2100
64°F
NE
4 mph
October 30, friday
0000
63°F
SE
5 mph
0300
59°F
S
4 mph
0600
55°F
S
6 mph
0900
54°F
SW
6 mph
1200
63°F
SW
6 mph
Units of measurement: °C / °F