S
M
T
W
T
F
S
30
73°
63°
31
82°
66°
1
81°
56°
2
80°
54°
3
78°
60°
4
80°
61°
5
81°
63°
6
82°
56°
7
73°
57°
8
72°
53°
9
70°
52°
10
74°
52°
11
71°
46°
12
70°
46°
13
69°
47°
14
70°
45°
15
74°
51°
16
72°
50°
17
73°
51°
18
71°
50°
19
68°
49°
20
72°
50°
21
73°
50°
22
70°
49°
23
72°
50°
24
73°
51°
25
73°
50°
26
71°
48°
27
72°
49°
28
72°
48°
29
70°
47°
30
70°
48°
1
71°
48°
2
70°
47°
3
68°
46°
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 68° to 82°, with overnight lows between 45° and 63°. The average high for September is 73° with an average low of 51°. 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.
