S
M
T
W
T
F
S
30
74°
50°
31
73°
51°
1
74°
52°
2
73°
50°
3
73°
51°
4
79°
55°
5
75°
54°
6
71°
53°
7
77°
50°
8
76°
56°
9
74°
58°
10
78°
53°
11
75°
48°
12
70°
47°
13
69°
46°
14
67°
45°
15
66°
45°
16
66°
47°
17
68°
46°
18
69°
52°
19
73°
46°
20
74°
44°
21
68°
43°
22
63°
42°
23
73°
53°
24
Hist. Avg.
70°
49°
25
Hist. Avg.
69°
49°
26
Hist. Avg.
69°
48°
27
Hist. Avg.
68°
48°
28
Hist. Avg.
68°
48°
29
Hist. Avg.
68°
47°
30
Hist. Avg.
67°
47°
1
Hist. Avg.
67°
46°
2
Hist. Avg.
66°
46°
3
Hist. Avg.
66°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Blaine
Blaine's September 2026 forecast shows daily high temperatures ranging from 63° to 79°, with overnight lows between 42° and 58°. The average high for September is 72° with an average low of 49°. 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.
