S
M
T
W
T
F
S
30
80°
60°
31
80°
58°
1
81°
54°
2
76°
54°
3
79°
53°
4
77°
54°
5
79°
57°
6
79°
57°
7
78°
50°
8
70°
47°
9
69°
54°
10
70°
55°
11
71°
50°
12
75°
57°
13
74°
55°
14
75°
57°
15
76°
56°
16
67°
51°
17
67°
48°
18
68°
44°
19
Hist. Avg.
69°
47°
20
Hist. Avg.
68°
47°
21
Hist. Avg.
68°
46°
22
Hist. Avg.
68°
46°
23
Hist. Avg.
67°
45°
24
Hist. Avg.
67°
45°
25
Hist. Avg.
66°
44°
26
Hist. Avg.
66°
44°
27
Hist. Avg.
65°
43°
28
Hist. Avg.
65°
43°
29
Hist. Avg.
64°
42°
30
Hist. Avg.
64°
42°
1
Hist. Avg.
64°
42°
2
Hist. Avg.
63°
41°
3
Hist. Avg.
63°
41°
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 67° to 81°, with overnight lows between 44° and 60°. The average high for September is 75° with an average low of 54°. 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.
