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