S
M
T
W
T
F
S
30
65°
54°
31
69°
50°
1
69°
48°
2
65°
48°
3
63°
49°
4
64°
47°
5
63°
46°
6
62°
50°
7
62°
51°
8
65°
49°
9
66°
50°
10
61°
51°
11
63°
50°
12
65°
48°
13
65°
48°
14
63°
47°
15
66°
47°
16
64°
46°
17
59°
44°
18
59°
48°
19
62°
50°
20
65°
50°
21
64°
49°
22
65°
46°
23
63°
48°
24
62°
48°
25
62°
47°
26
63°
47°
27
62°
46°
28
61°
43°
29
60°
42°
30
58°
43°
1
57°
44°
2
56°
41°
3
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in New Chelsea
New Chelsea's September 2026 forecast shows daily high temperatures ranging from 56° to 69°, with overnight lows between 41° and 54°. The average high for September is 63° with an average low of 47°. 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 New Chelsea. See also: October | November | December.
