S
M
T
W
T
F
S
30
85°
49°
31
77°
46°
1
72°
44°
2
82°
55°
3
83°
55°
4
92°
56°
5
90°
61°
6
91°
57°
7
88°
60°
8
76°
48°
9
76°
44°
10
87°
37°
11
73°
49°
12
60°
41°
13
71°
42°
14
69°
53°
15
66°
44°
16
75°
45°
17
74°
38°
18
66°
58°
19
61°
56°
20
57°
52°
21
60°
51°
22
65°
48°
23
70°
49°
24
76°
48°
25
70°
55°
26
73°
43°
27
68°
49°
28
66°
41°
29
64°
42°
30
67°
41°
1
66°
39°
2
72°
44°
3
70°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Hettinger
Hettinger's September 2026 forecast shows daily high temperatures ranging from 64° to 76°, with overnight lows between 38° and 55°. The average high for September is 69° with an average low of 44°. 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 Hettinger. See also: October | November | December.