S
M
T
W
T
F
S
30
77°
57°
31
78°
64°
1
84°
67°
2
68°
65°
3
87°
66°
4
84°
68°
5
80°
61°
6
78°
57°
7
79°
52°
8
81°
52°
9
80°
57°
10
86°
67°
11
80°
51°
12
78°
66°
13
81°
62°
14
75°
45°
15
76°
52°
16
79°
57°
17
81°
58°
18
78°
54°
19
71°
50°
20
70°
48°
21
70°
46°
22
71°
48°
23
72°
52°
24
74°
48°
25
65°
43°
26
66°
45°
27
71°
52°
28
74°
48°
29
68°
43°
30
69°
50°
1
70°
47°
2
66°
44°
3
68°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blairstown
Blairstown's September 2026 forecast shows daily high temperatures ranging from 65° to 81°, with overnight lows between 43° and 66°. The average high for September is 73° 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 Blairstown. See also: October | November | December.
