S
M
T
W
T
F
S
30
84°
63°
31
85°
64°
1
85°
64°
2
84°
63°
3
78°
59°
4
77°
55°
5
76°
55°
6
76°
54°
7
79°
61°
8
83°
59°
9
79°
54°
10
76°
59°
11
76°
49°
12
73°
52°
13
74°
51°
14
73°
50°
15
73°
52°
16
74°
53°
17
73°
57°
18
75°
50°
19
75°
49°
20
71°
48°
21
70°
47°
22
71°
48°
23
73°
49°
24
76°
48°
25
77°
55°
26
76°
55°
27
69°
54°
28
71°
51°
29
72°
46°
30
73°
45°
1
68°
48°
2
74°
53°
3
71°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Littlestown
Littlestown's September 2026 forecast shows daily high temperatures ranging from 68° to 85°, with overnight lows between 43° and 64°. The average high for September is 75° with an average low of 53°. 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 Littlestown. See also: October | November | December.