S
M
T
W
T
F
S
30
84°
67°
31
87°
60°
1
82°
65°
2
83°
64°
3
86°
64°
4
84°
63°
5
86°
62°
6
84°
58°
7
80°
57°
8
77°
57°
9
76°
56°
10
73°
54°
11
73°
50°
12
78°
56°
13
74°
56°
14
77°
56°
15
77°
55°
16
74°
54°
17
75°
55°
18
74°
54°
19
73°
52°
20
74°
54°
21
76°
54°
22
75°
53°
23
75°
54°
24
76°
54°
25
75°
53°
26
74°
51°
27
75°
52°
28
74°
51°
29
73°
50°
30
74°
52°
1
74°
52°
2
73°
50°
3
72°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Litchfield
Litchfield's September 2026 forecast shows daily high temperatures ranging from 72° to 87°, with overnight lows between 49° and 67°. The average high for September is 77° 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 Litchfield. See also: October | November | December.