S
M
T
W
T
F
S
30
67°
56°
31
73°
52°
1
71°
54°
2
70°
60°
3
69°
55°
4
63°
50°
5
69°
54°
6
69°
51°
7
68°
56°
8
71°
58°
9
67°
53°
10
70°
56°
11
65°
52°
12
71°
52°
13
67°
56°
14
67°
53°
15
69°
56°
16
68°
51°
17
67°
50°
18
67°
49°
19
64°
50°
20
64°
48°
21
66°
52°
22
67°
54°
23
65°
47°
24
61°
50°
25
61°
48°
26
65°
49°
27
63°
50°
28
62°
52°
29
63°
51°
30
63°
50°
1
62°
49°
2
60°
47°
3
60°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Blaine
Blaine's September 2026 forecast shows daily high temperatures ranging from 60° to 67°, with overnight lows between 47° and 54°. The average high for September is 63° 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 Blaine. See also: October | November | December.
