S
M
T
W
T
F
S
30
95°
67°
31
94°
66°
1
94°
68°
2
90°
65°
3
89°
66°
4
90°
67°
5
91°
67°
6
93°
68°
7
94°
69°
8
94°
68°
9
93°
68°
10
94°
67°
11
93°
68°
12
93°
67°
13
92°
65°
14
86°
63°
15
86°
63°
16
85°
62°
17
89°
64°
18
88°
66°
19
89°
64°
20
90°
65°
21
91°
66°
22
90°
65°
23
91°
58°
24
92°
57°
25
82°
56°
26
89°
57°
27
90°
63°
28
89°
65°
29
Hist. Avg.
84°
58°
30
Hist. Avg.
84°
58°
1
Hist. Avg.
83°
58°
2
Hist. Avg.
83°
57°
3
Hist. Avg.
83°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Big Lake
Big Lake's September 2026 forecast shows daily high temperatures ranging from 82° to 95°, with overnight lows between 56° and 69°. The average high for September is 91° with an average low of 65°. 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 Big Lake. See also: October | November | December.
