S
M
T
W
T
F
S
30
68°
53°
31
77°
48°
1
75°
48°
2
64°
56°
3
67°
51°
4
69°
46°
5
71°
49°
6
75°
44°
7
70°
54°
8
75°
48°
9
76°
54°
10
66°
53°
11
66°
48°
12
69°
49°
13
69°
48°
14
68°
50°
15
76°
51°
16
73°
54°
17
75°
52°
18
71°
54°
19
70°
54°
20
69°
52°
21
67°
47°
22
66°
50°
23
65°
50°
24
65°
49°
25
68°
50°
26
66°
50°
27
64°
49°
28
63°
47°
29
62°
44°
30
62°
48°
1
66°
49°
2
69°
49°
3
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Forks
Forks's September 2026 forecast shows daily high temperatures ranging from 62° to 76°, with overnight lows between 44° and 54°. The average high for September is 68° with an average low of 50°. 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 Forks. See also: October | November | December.
