S
M
T
W
T
F
S
30
88°
70°
31
86°
66°
1
93°
70°
2
95°
66°
3
93°
73°
4
91°
70°
5
90°
70°
6
88°
68°
7
84°
70°
8
86°
70°
9
82°
61°
10
81°
55°
11
84°
55°
12
73°
54°
13
59°
54°
14
75°
55°
15
70°
57°
16
72°
59°
17
77°
64°
18
93°
68°
19
75°
63°
20
66°
61°
21
64°
57°
22
61°
55°
23
72°
54°
24
64°
57°
25
63°
59°
26
73°
63°
27
79°
63°
28
72°
61°
29
70°
61°
30
72°
66°
1
68°
46°
2
68°
41°
3
73°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Harlan
Harlan's September 2026 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.
