S
M
T
W
T
F
S
30
83°
61°
31
85°
64°
1
88°
61°
2
88°
55°
3
85°
54°
4
84°
58°
5
88°
62°
6
87°
60°
7
82°
56°
8
81°
54°
9
81°
54°
10
82°
57°
11
88°
59°
12
88°
56°
13
87°
58°
14
88°
61°
15
89°
60°
16
87°
55°
17
86°
56°
18
85°
55°
19
86°
53°
20
85°
58°
21
85°
58°
22
83°
57°
23
81°
57°
24
76°
56°
25
76°
56°
26
81°
55°
27
80°
56°
28
81°
57°
29
78°
56°
30
80°
54°
1
73°
53°
2
73°
48°
3
71°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Dennehotso
Dennehotso's September 2026 forecast shows daily high temperatures ranging from 71° to 89°, with overnight lows between 46° and 64°. The average high for September is 83° with an average low of 56°. 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 Dennehotso. See also: October | November | December.