S
M
T
W
T
F
S
30
75°
64°
31
77°
69°
1
90°
70°
2
92°
73°
3
79°
64°
4
79°
64°
5
79°
56°
6
78°
54°
7
79°
49°
8
81°
55°
9
77°
68°
10
78°
57°
11
76°
47°
12
83°
58°
13
78°
48°
14
68°
43°
15
74°
60°
16
70°
61°
17
67°
53°
18
71°
54°
19
63°
55°
20
68°
52°
21
63°
50°
22
65°
50°
23
66°
49°
24
69°
50°
25
70°
49°
26
72°
48°
27
71°
53°
28
73°
51°
29
71°
50°
30
69°
44°
1
72°
50°
2
65°
49°
3
61°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Thetford Township
Thetford Township's September 2026 forecast shows daily high temperatures ranging from 61° to 73°, with overnight lows between 44° and 55°. The average high for September is 68° with an average low of 50°. 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 Thetford Township. See also: October | November | December.
