S
M
T
W
T
F
S
30
84°
64°
31
88°
59°
1
85°
55°
2
86°
63°
3
86°
34°
4
84°
34°
5
84°
36°
6
79°
34°
7
82°
34°
8
82°
63°
9
77°
34°
10
79°
34°
11
84°
63°
12
71°
52°
13
70°
43°
14
61°
43°
15
70°
34°
16
72°
42°
17
70°
53°
18
61°
57°
19
61°
56°
20
63°
51°
21
59°
48°
22
N/A
23
68°
45°
24
64°
56°
25
70°
57°
26
61°
57°
27
69°
53°
28
N/A
29
65°
60°
30
71°
58°
1
67°
38°
2
61°
47°
3
66°
46°
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 61° to 67°, with overnight lows between 38° and 47°. The average high for September is 65° with an average low of 44°. 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.
