S
M
T
W
T
F
S
30
74°
48°
31
73°
54°
1
74°
53°
2
74°
53°
3
73°
50°
4
74°
47°
5
73°
46°
6
65°
45°
7
65°
45°
8
66°
52°
9
64°
46°
10
66°
51°
11
67°
43°
12
65°
50°
13
65°
52°
14
66°
51°
15
64°
45°
16
63°
46°
17
64°
49°
18
67°
50°
19
71°
48°
20
72°
46°
21
71°
44°
22
63°
41°
23
62°
43°
24
64°
48°
25
62°
41°
26
62°
43°
27
63°
45°
28
63°
45°
29
61°
41°
30
61°
42°
1
62°
48°
2
65°
49°
3
68°
45°
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 61° to 74°, with overnight lows between 41° and 54°. The average high for September is 67° with an average low of 47°. 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.
