S
M
T
W
T
F
S
30
84°
63°
31
89°
62°
1
81°
63°
2
81°
66°
3
82°
67°
4
86°
66°
5
87°
62°
6
85°
64°
7
86°
61°
8
82°
60°
9
83°
64°
10
80°
65°
11
86°
60°
12
81°
59°
13
79°
59°
14
80°
62°
15
82°
63°
16
84°
62°
17
84°
58°
18
79°
56°
19
78°
57°
20
78°
61°
21
79°
56°
22
79°
59°
23
82°
60°
24
81°
61°
25
82°
62°
26
81°
54°
27
81°
54°
28
75°
53°
29
76°
52°
30
78°
54°
1
75°
53°
2
73°
52°
3
Hist. Avg.
74°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blairs
Blairs's September 2026 forecast shows daily high temperatures ranging from 73° to 89°, with overnight lows between 52° and 67°. The average high for September is 81° with an average low of 60°. 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 Blairs. See also: October | November | December.