S
M
T
W
T
F
S
30
82°
60°
31
81°
58°
1
81°
54°
2
84°
58°
3
82°
48°
4
82°
52°
5
81°
49°
6
72°
54°
7
74°
42°
8
78°
45°
9
81°
48°
10
80°
48°
11
81°
47°
12
82°
45°
13
82°
45°
14
83°
45°
15
84°
46°
16
81°
50°
17
82°
44°
18
74°
39°
19
70°
33°
20
69°
33°
21
70°
34°
22
75°
33°
23
80°
44°
24
74°
34°
25
67°
31°
26
67°
31°
27
70°
32°
28
75°
33°
29
77°
31°
30
76°
32°
1
75°
31°
2
75°
36°
3
76°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Three Forks Campground
Three Forks Campground's September 2026 forecast shows daily high temperatures ranging from 67° to 84°, with overnight lows between 31° and 54°. The average high for September is 77° with an average low of 40°. 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 Three Forks Campground. See also: October | November | December.
