World Resorts USA Lafayette Weather

Lafayette weather in September

Weather in Lafayette: September

Average day temperature: 86.4°F
Average night temperature: 71.7°F
Number of sunny days: 13 days
Day length: 11.9 - 12.8 hours
Number of rainy days: 3 days
Precipitation totals: 1.7 in.

Air temperature in September, °F

Show year:
2025
2024
2023

The highest day temperature during September of 2025 was 95°F. At the same time the lowest night temperature was 57°F. Daily and nightly averages during September were 90.8°F and 70.0°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 Lafayette in September is 1.7 in. Other months of the year show relatively similar values.

Wind speed in September, mph

The average wind speed value in September is 6.5 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: 7.7.

Best time for vacation in Lafayette

Sunniest months:
October 20 days
November 15 days
September 13 days
Warmest months:
August 90.4 °F
July 88.9 °F
June 88.5 °F
Coldest months:
January 58.0 °F
February 61.9 °F
December 63.2 °F
Rainiest months:
July 4 days
January 4 days
May 3 days
Windiest months:
April 9.8 mph
March 9.6 mph
February 9.4 mph

Lafayette on a weather map

Lafayette
+46°F
S 11 mph
Feels like: +41°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+41°F
+52°F
+70°F
+77°F
+70°F
+21°F
+54°F
+46°F
+61°F
+61°F
+46°F
+5°F
24 Hours Forecast
Lafayette
Local time: 00:51
December 05, friday
0300
45°F
S
11 mph
0600
43°F
S
11 mph
0900
43°F
S
9 mph
1200
46°F
S
6 mph
1500
46°F
SW
4 mph
1800
46°F
S
6 mph
2100
45°F
SW
2 mph
December 06, saturday
0000
45°F
SW
3 mph
Units of measurement: °C / °F