S
M
T
W
T
F
S
31
89°
59°
1
69°
49°
2
56°
42°
3
55°
37°
4
56°
37°
5
57°
41°
6
53°
43°
7
61°
33°
8
73°
46°
9
69°
46°
10
73°
46°
11
73°
53°
12
74°
52°
13
81°
47°
14
82°
54°
15
78°
64°
16
69°
55°
17
57°
44°
18
67°
41°
19
70°
41°
20
63°
51°
21
71°
51°
22
76°
54°
23
75°
49°
24
76°
50°
25
66°
40°
26
67°
36°
27
65°
46°
28
66°
37°
29
68°
33°
30
77°
44°
1
75°
61°
2
65°
45°
3
56°
35°
4
58°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Cross Lake
Cross Lake's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Cross Lake. See also: October | November | December.