S
M
T
W
T
F
S
30
97°
76°
31
97°
73°
1
97°
70°
2
97°
70°
3
96°
72°
4
96°
72°
5
98°
73°
6
97°
72°
7
91°
73°
8
97°
75°
9
84°
72°
10
84°
68°
11
85°
66°
12
79°
62°
13
80°
61°
14
93°
60°
15
92°
68°
16
88°
68°
17
93°
73°
18
93°
74°
19
93°
67°
20
73°
62°
21
66°
58°
22
65°
50°
23
69°
56°
24
69°
59°
25
73°
58°
26
74°
57°
27
72°
54°
28
73°
55°
29
73°
55°
30
74°
54°
1
73°
53°
2
82°
54°
3
74°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Weatherby Lake
Weatherby Lake's September 2026 forecast shows daily high temperatures ranging from 65° to 93°, with overnight lows between 50° and 67°. The average high for September is 74° with an average low of 57°. 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 Weatherby Lake. See also: October | November | December.