S
M
T
W
T
F
S
30
85°
66°
31
90°
65°
1
88°
62°
2
86°
65°
3
90°
67°
4
84°
65°
5
84°
64°
6
81°
64°
7
83°
67°
8
83°
65°
9
80°
56°
10
80°
51°
11
87°
62°
12
74°
51°
13
70°
46°
14
60°
43°
15
71°
49°
16
74°
44°
17
70°
55°
18
61°
57°
19
63°
51°
20
71°
51°
21
66°
46°
22
64°
44°
23
64°
47°
24
68°
52°
25
71°
52°
26
70°
54°
27
68°
52°
28
69°
54°
29
70°
50°
30
68°
51°
1
66°
43°
2
60°
44°
3
62°
48°
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 71°, with overnight lows between 43° and 57°. The average high for September is 66° 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.
