S
M
T
W
T
F
S
30
87°
61°
31
83°
59°
1
79°
62°
2
79°
64°
3
82°
61°
4
83°
66°
5
85°
66°
6
86°
59°
7
84°
60°
8
78°
58°
9
78°
57°
10
79°
63°
11
81°
58°
12
82°
59°
13
77°
57°
14
76°
63°
15
80°
62°
16
83°
55°
17
82°
54°
18
74°
54°
19
73°
55°
20
73°
60°
21
74°
57°
22
73°
54°
23
72°
59°
24
72°
57°
25
73°
58°
26
76°
59°
27
78°
55°
28
78°
52°
29
71°
56°
30
70°
57°
1
72°
58°
2
75°
55°
3
74°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Upper Deerfield Township
Upper Deerfield Township's September 2026 forecast shows daily high temperatures ranging from 70° to 87°, with overnight lows between 49° and 66°. The average high for September is 78° with an average low of 58°. 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 Upper Deerfield Township. See also: October | November | December.