Average Rainfall for Louisiana in September





The tables below give monthly averages for rainfall during September at cities, communities and other locations around Louisiana.

Each place has a total for the amount of precipitation it usually receives this month along with information on the number of days with wet weather. This includes the days when precipitation amounts to 0.01 inches (0.25 millimetres) or more.

The rainfall totals are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Gulf Coast, Florida Parishes, Central and North Louisiana.

Gulf Coast

Average monthly precipitation in September
Days Place Inches Milli­metres
11 Boothville 4.1 104
9 Crowley 5.0 126
11 Houma 5.8 147
9 Lafayette 5.0 128
9 Lake Charles 5.2 132
11 Morgan City 5.4 137
11 New Iberia 5.1 128
10 New Orleans 5.1 130
11 Rockefeller Wildlife Refuge 6.0 153

Florida Parishes

September averages for total rainfall
Days Place Inches Milli­metres
9 Baton Rouge 4.4 112
9 Bogalusa 4.7 120
9 Hammond 4.4 111
7 New Roads 4.1 103
10 Slidell 5.0 126

Central Louisiana

Average amount of rain in September
Days Place Inches Milli­metres
6 Alexandria 4.0 101
9 Leesville 4.3 109
7 Natchitoches 3.9 99
7 Opelousas 5.0 128
6 Winnfield 3.6 92

North Louisiana

Precipitation totals for September
Days Place Inches Milli­metres
6 Lake Providence 3.3 84
7 Monroe 3.6 91
7 Ruston 3.8 97
7 Shreveport 3.5 88
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Louisiana Precipitation
Back to Top