S
M
T
W
T
F
S
30
80°
56°
31
82°
59°
1
83°
59°
2
83°
58°
3
80°
56°
4
82°
59°
5
79°
58°
6
75°
57°
7
76°
57°
8
76°
56°
9
77°
51°
10
74°
50°
11
76°
57°
12
81°
56°
13
79°
56°
14
73°
57°
15
79°
56°
16
71°
52°
17
72°
56°
18
Hist. Avg.
74°
51°
19
Hist. Avg.
74°
51°
20
Hist. Avg.
74°
50°
21
Hist. Avg.
73°
50°
22
Hist. Avg.
73°
50°
23
Hist. Avg.
72°
49°
24
Hist. Avg.
72°
49°
25
Hist. Avg.
72°
49°
26
Hist. Avg.
71°
48°
27
Hist. Avg.
71°
48°
28
Hist. Avg.
70°
47°
29
Hist. Avg.
70°
47°
30
Hist. Avg.
70°
47°
1
Hist. Avg.
69°
46°
2
Hist. Avg.
69°
46°
3
Hist. Avg.
68°
45°
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 71° to 83°, with overnight lows between 50° and 59°. The average high for September is 78° with an average low of 56°. 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.
