The Weather Network
Weather
Maps
News
Video
|
Welcome
Monthly
⋮
Current
Hourly
7 Days
14 Days
Weekend
Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Les Cayes, SD
Content continues below
September
Average Temperature
High
30°
Feels 35
Low
26°
Feels 30
Average Precipitation
24 Days
Rain amount
241.2mm
Snow amount
0cm
Content continues below
Daily Historical Averages
September 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
30°
21
31°
22
30°
23
30°
24
30°
25
30°
26
31°
27
30°
28
29°
29
29°
30
31°
Forecast
Sunday, September 20, 2026
Day
30°
Feels 35
Wind
20 km/h S
Gust
30 km/h
Humidity
68%
P.O.P
80%
Rain
~5 mm
Night
26°
Feels 26
Wind
13 km/h NW
Gust
20 km/h
Humidity
87%
P.O.P
40%
Rain
~1 mm
Historical Averages
Sep 20
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.