S
M
T
W
T
F
S
30
73°
55°
31
74°
54°
1
72°
53°
2
72°
50°
3
71°
54°
4
73°
53°
5
74°
54°
6
74°
47°
7
73°
44°
8
64°
43°
9
60°
51°
10
64°
49°
11
62°
50°
12
63°
51°
13
70°
51°
14
71°
52°
15
70°
47°
16
59°
48°
17
Hist. Avg.
63°
44°
18
Hist. Avg.
62°
43°
19
Hist. Avg.
62°
43°
20
Hist. Avg.
61°
43°
21
Hist. Avg.
61°
42°
22
Hist. Avg.
60°
42°
23
Hist. Avg.
60°
41°
24
Hist. Avg.
60°
41°
25
Hist. Avg.
59°
41°
26
Hist. Avg.
59°
40°
27
Hist. Avg.
58°
40°
28
Hist. Avg.
58°
39°
29
Hist. Avg.
57°
39°
30
Hist. Avg.
57°
38°
1
Hist. Avg.
56°
38°
2
Hist. Avg.
56°
38°
3
Hist. Avg.
55°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Falcon Lake
Falcon Lake's September 2026 forecast shows daily high temperatures ranging from 59° to 74°, with overnight lows between 43° and 55°. The average high for September is 69° with an average low of 50°. 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 Falcon Lake. See also: October | November | December.
