S
M
T
W
T
F
S
30
79°
59°
31
82°
64°
1
84°
64°
2
84°
63°
3
83°
60°
4
83°
64°
5
82°
61°
6
78°
62°
7
77°
62°
8
76°
61°
9
79°
56°
10
77°
55°
11
75°
62°
12
81°
60°
13
81°
60°
14
74°
61°
15
81°
60°
16
79°
61°
17
Hist. Avg.
77°
58°
18
Hist. Avg.
77°
58°
19
Hist. Avg.
76°
57°
20
Hist. Avg.
76°
57°
21
Hist. Avg.
76°
56°
22
Hist. Avg.
75°
56°
23
Hist. Avg.
75°
56°
24
Hist. Avg.
74°
55°
25
Hist. Avg.
74°
55°
26
Hist. Avg.
74°
54°
27
Hist. Avg.
73°
54°
28
Hist. Avg.
73°
53°
29
Hist. Avg.
72°
53°
30
Hist. Avg.
72°
52°
1
Hist. Avg.
72°
52°
2
Hist. Avg.
71°
52°
3
Hist. Avg.
71°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Derry Township
Derry Township's September 2026 forecast shows daily high temperatures ranging from 74° to 84°, with overnight lows between 55° and 64°. The average high for September is 80° with an average low of 61°. 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 Derry Township. See also: October | November | December.
