S
M
T
W
T
F
S
30
92°
69°
31
92°
66°
1
91°
65°
2
87°
65°
3
88°
67°
4
90°
68°
5
89°
67°
6
90°
69°
7
91°
68°
8
90°
67°
9
91°
67°
10
85°
68°
11
90°
67°
12
89°
63°
13
84°
64°
14
83°
65°
15
86°
65°
16
87°
64°
17
87°
61°
18
86°
59°
19
83°
60°
20
83°
64°
21
82°
59°
22
83°
59°
23
86°
58°
24
85°
62°
25
86°
63°
26
85°
61°
27
86°
58°
28
82°
60°
29
84°
56°
30
84°
57°
1
81°
54°
2
79°
55°
3
Hist. Avg.
81°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Olanta
Olanta's September 2026 forecast shows daily high temperatures ranging from 79° to 92°, with overnight lows between 54° and 69°. The average high for September is 86° with an average low of 63°. 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 Olanta. See also: October | November | December.
