S
M
T
W
T
F
S
30
86°
62°
31
86°
63°
1
85°
62°
2
86°
62°
3
83°
61°
4
83°
62°
5
84°
62°
6
83°
61°
7
84°
62°
8
86°
62°
9
86°
63°
10
85°
63°
11
86°
62°
12
85°
61°
13
85°
62°
14
81°
61°
15
82°
57°
16
83°
61°
17
85°
60°
18
86°
58°
19
85°
56°
20
84°
56°
21
85°
58°
22
82°
56°
23
83°
57°
24
84°
59°
25
84°
61°
26
85°
61°
27
86°
60°
28
87°
59°
29
85°
58°
30
85°
54°
1
82°
56°
2
77°
52°
3
76°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Limon
Limon's September 2026 forecast shows daily high temperatures ranging from 76° to 87°, with overnight lows between 50° and 63°. The average high for September is 84° with an average low of 59°. 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 Limon. See also: October | November | December.