S
M
T
W
T
F
S
31
79°
58°
1
80°
54°
2
82°
49°
3
83°
51°
4
71°
51°
5
70°
52°
6
73°
42°
7
71°
38°
8
76°
45°
9
79°
44°
10
87°
54°
11
88°
54°
12
91°
63°
13
95°
65°
14
98°
65°
15
92°
67°
16
91°
59°
17
90°
56°
18
93°
56°
19
84°
64°
20
83°
61°
21
86°
60°
22
79°
64°
23
77°
59°
24
75°
63°
25
77°
54°
26
82°
50°
27
85°
53°
28
88°
53°
29
89°
55°
30
87°
58°
1
86°
51°
2
88°
58°
3
88°
64°
4
85°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Litchfield
Litchfield's September 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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.