World Resorts USA Louisville Weather

Louisville weather in September

Weather in Louisville: September

Average day temperature: 80.2°F
Average night temperature: 65.8°F
Number of sunny days: 17 days
Day length: 11.8 - 13.0 hours
Number of rainy days: 1 day
Precipitation totals: 0.9 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 55°F. Daily and nightly averages during September were 85.2°F and 69.7°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 Louisville in September is 0.9 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 Louisville

Sunniest months:
October 17 days
September 17 days
August 15 days
Warmest months:
July 86.3 °F
August 84.9 °F
June 81.8 °F
Coldest months:
January 37.6 °F
February 43.2 °F
December 44.3 °F
Rainiest months:
May 4 days
March 3 days
April 3 days
Windiest months:
March 8.5 mph
April 7.9 mph
February 7.6 mph

Louisville on a weather map

Louisville
+70°F
NE 8 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
Louisville
Local time: 13:24
October 29, thursday
1500
77°F
NE
7 mph
1800
73°F
NE
4 mph
2100
66°F
NE
4 mph
October 30, friday
0000
64°F
NE
4 mph
0300
61°F
SE
2 mph
0600
59°F
S
4 mph
0900
59°F
SW
6 mph
1200
68°F
W
7 mph
Units of measurement: °C / °F