S
M
T
W
T
F
S
30
85°
67°
31
85°
66°
1
86°
64°
2
79°
59°
3
78°
60°
4
78°
61°
5
79°
58°
6
80°
63°
7
85°
65°
8
84°
64°
9
84°
65°
10
85°
65°
11
85°
64°
12
84°
65°
13
85°
65°
14
84°
58°
15
77°
55°
16
74°
55°
17
75°
54°
18
74°
53°
19
73°
52°
20
73°
51°
21
78°
52°
22
79°
56°
23
80°
51°
24
80°
50°
25
72°
49°
26
72°
50°
27
74°
56°
28
78°
56°
29
78°
48°
30
71°
47°
1
69°
55°
2
70°
54°
3
74°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Fair Lakes
Fair Lakes's September 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 47° and 67°. The average high for September is 78° 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 Fair Lakes. See also: October | November | December.