S
M
T
W
T
F
S
31
70°
64°
1
68°
55°
2
77°
50°
3
70°
46°
4
68°
41°
5
64°
45°
6
64°
41°
7
73°
39°
8
75°
48°
9
77°
59°
10
81°
57°
11
86°
55°
12
88°
68°
13
91°
64°
14
86°
64°
15
88°
61°
16
88°
64°
17
73°
61°
18
75°
59°
19
70°
54°
20
75°
57°
21
79°
54°
22
84°
63°
23
73°
61°
24
77°
54°
25
82°
50°
26
86°
50°
27
81°
50°
28
86°
45°
29
86°
50°
30
82°
55°
1
84°
57°
2
86°
54°
3
88°
57°
4
86°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harlan
Harlan'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 Harlan. See also: October | November | December.
