Average data for 10 years
1 September
Monday
+27°
+23°
2 September
Tuesday
+27°
+23°
3 September
Wednesday
+27°
+23°
4 September
Thursday
+27°
+23°
5 September
Friday
+27°
+23°
6 September
Saturday
+27°
+23°
7 September
Sunday
+27°
+23°
8 September
Monday
+28°
+23°
9 September
Tuesday
+27°
+23°
10 September
Wednesday
+27°
+23°
11 September
Thursday
+27°
+23°
12 September
Friday
+27°
+23°
13 September
Saturday
+28°
+23°
14 September
Sunday
+27°
+23°
15 September
Monday
+27°
+23°
16 September
Tuesday
+28°
+23°
17 September
Wednesday
+28°
+24°
18 September
Thursday
+27°
+23°
19 September
Friday
+28°
+24°
20 September
Saturday
+28°
+24°
21 September
Sunday
+28°
+24°
22 September
Monday
+28°
+24°
23 September
Tuesday
+28°
+24°
24 September
Wednesday
+28°
+24°
25 September
Thursday
+28°
+24°
26 September
Friday
+28°
+24°
27 September
Saturday
+28°
+24°
28 September
Sunday
+28°
+24°
29 September
Monday
+28°
+24°
30 September
Tuesday
+28°
+24°
In September, the weather in Cotonou is typically hot. Average daily high temperature in September is about 28 degrees above zero. On average, Cotonou has 25 rainy, 4 partly cloudy, and 1 sunny day in September. The rains are usually heavy. September as well as March, April, May, and June is considered the most uncomfortable time to visit Cotonou.