S
M
T
W
T
F
S
30
92°
69°
31
89°
70°
1
89°
68°
2
83°
67°
3
86°
67°
4
88°
67°
5
89°
70°
6
90°
67°
7
88°
66°
8
88°
70°
9
89°
69°
10
94°
71°
11
93°
73°
12
91°
72°
13
86°
71°
14
91°
71°
15
87°
72°
16
88°
71°
17
89°
73°
18
86°
71°
19
87°
72°
20
87°
72°
21
86°
71°
22
87°
72°
23
84°
72°
24
82°
72°
25
83°
73°
26
83°
73°
27
82°
72°
28
83°
73°
29
83°
73°
30
84°
72°
1
83°
73°
2
82°
73°
3
83°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Somoto
Somoto's September 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 71° and 73°. The average high for September is 86° with an average low of 72°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how September weather will actually feel in Somoto. See also: October | November | December.