S
M
T
W
T
F
S
30
71°
55°
31
71°
56°
1
69°
54°
2
67°
51°
3
66°
50°
4
65°
50°
5
66°
51°
6
68°
53°
7
69°
52°
8
69°
53°
9
70°
55°
10
70°
53°
11
67°
53°
12
65°
52°
13
66°
52°
14
64°
48°
15
63°
47°
16
62°
47°
17
63°
48°
18
62°
52°
19
62°
48°
20
61°
46°
21
61°
47°
22
62°
52°
23
64°
51°
24
65°
50°
25
65°
46°
26
62°
46°
27
60°
50°
28
59°
51°
29
60°
50°
30
59°
45°
1
59°
47°
2
58°
44°
3
58°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Middle Littleton
Middle Littleton's September 2026 forecast shows daily high temperatures ranging from 58° to 71°, with overnight lows between 44° and 56°. The average high for September is 64° 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 Middle Littleton. See also: October | November | December.
