S
M
T
W
T
F
S
30
82°
61°
31
81°
58°
1
80°
62°
2
81°
64°
3
83°
62°
4
81°
61°
5
80°
56°
6
75°
56°
7
74°
54°
8
69°
53°
9
71°
55°
10
76°
56°
11
74°
54°
12
74°
53°
13
69°
53°
14
70°
52°
15
62°
48°
16
62°
51°
17
71°
50°
18
69°
53°
19
72°
53°
20
72°
52°
21
68°
51°
22
69°
47°
23
59°
43°
24
60°
44°
25
66°
49°
26
65°
50°
27
70°
50°
28
69°
49°
29
69°
50°
30
66°
48°
1
67°
47°
2
63°
46°
3
62°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Staples
Staples's September 2026 forecast shows daily high temperatures ranging from 59° to 83°, with overnight lows between 43° and 64°. The average high for September is 71° with an average low of 52°. 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 Staples. See also: October | November | December.