S
M
T
W
T
F
S
30
92°
69°
31
90°
63°
1
86°
62°
2
82°
67°
3
87°
69°
4
91°
70°
5
92°
65°
6
86°
60°
7
79°
60°
8
81°
59°
9
80°
57°
10
79°
52°
11
75°
51°
12
76°
54°
13
76°
53°
14
74°
50°
15
79°
56°
16
78°
55°
17
78°
57°
18
79°
56°
19
78°
54°
20
77°
55°
21
78°
56°
22
79°
56°
23
78°
55°
24
79°
56°
25
78°
55°
26
77°
53°
27
78°
54°
28
77°
53°
29
76°
52°
30
77°
54°
1
76°
54°
2
76°
53°
3
75°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Jeffers
Jeffers's September 2026 forecast shows daily high temperatures ranging from 74° to 92°, with overnight lows between 50° and 70°. The average high for September is 79° 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 Jeffers. See also: October | November | December.