S
M
T
W
T
F
S
30
82°
59°
31
79°
58°
1
81°
61°
2
77°
62°
3
76°
58°
4
78°
56°
5
74°
57°
6
75°
57°
7
76°
57°
8
71°
56°
9
76°
58°
10
78°
59°
11
75°
57°
12
75°
56°
13
71°
56°
14
69°
55°
15
63°
52°
16
63°
54°
17
71°
52°
18
70°
56°
19
74°
56°
20
73°
55°
21
69°
54°
22
67°
50°
23
61°
46°
24
60°
47°
25
67°
52°
26
66°
51°
27
71°
53°
28
70°
53°
29
70°
52°
30
67°
51°
1
67°
49°
2
65°
49°
3
61°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Backus
Backus's September 2026 forecast shows daily high temperatures ranging from 60° to 82°, with overnight lows between 46° and 62°. The average high for September is 71° with an average low of 54°. 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 Backus. See also: October | November | December.
