S
M
T
W
T
F
S
30
66°
57°
31
66°
50°
1
66°
48°
2
66°
52°
3
63°
46°
4
59°
48°
5
61°
46°
6
68°
52°
7
63°
54°
8
66°
44°
9
64°
42°
10
66°
43°
11
62°
46°
12
66°
51°
13
65°
51°
14
68°
52°
15
62°
48°
16
64°
47°
17
64°
46°
18
62°
47°
19
61°
48°
20
62°
46°
21
58°
42°
22
55°
46°
23
61°
46°
24
61°
45°
25
60°
44°
26
59°
42°
27
56°
39°
28
55°
40°
29
55°
44°
30
54°
44°
1
58°
42°
2
57°
43°
3
57°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gullhaug
Gullhaug's September 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 39° and 52°. The average high for September is 61° with an average low of 45°. 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 Gullhaug. See also: October | November | December.