S
M
T
W
T
F
S
30
76°
49°
31
84°
42°
1
78°
47°
2
84°
48°
3
84°
47°
4
77°
45°
5
73°
44°
6
79°
46°
7
82°
46°
8
81°
37°
9
81°
36°
10
71°
34°
11
69°
35°
12
69°
40°
13
71°
35°
14
70°
33°
15
69°
32°
16
67°
34°
17
67°
32°
18
66°
32°
19
65°
33°
20
66°
33°
21
68°
36°
22
72°
40°
23
75°
40°
24
69°
39°
25
75°
38°
26
72°
38°
27
67°
32°
28
73°
30°
29
63°
29°
30
62°
38°
1
63°
31°
2
63°
39°
3
71°
27°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hill City
Hill City's September 2026 forecast shows daily high temperatures ranging from 62° to 84°, with overnight lows between 27° and 49°. The average high for September is 72° with an average low of 38°. 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 Hill City. See also: October | November | December.
