S
M
T
W
T
F
S
30
63°
55°
31
66°
52°
1
64°
54°
2
63°
54°
3
66°
57°
4
64°
55°
5
64°
50°
6
68°
55°
7
64°
54°
8
61°
54°
9
64°
48°
10
63°
50°
11
63°
52°
12
66°
54°
13
64°
50°
14
70°
55°
15
64°
50°
16
63°
48°
17
59°
52°
18
63°
52°
19
61°
52°
20
61°
50°
21
70°
50°
22
70°
57°
23
63°
48°
24
63°
41°
25
61°
50°
26
64°
54°
27
56°
45°
28
61°
42°
29
60°
57°
30
67°
50°
1
62°
49°
2
60°
48°
3
60°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Glenrothes
Glenrothes's September 2026 forecast shows daily high temperatures ranging from 56° to 67°, with overnight lows between 42° and 57°. The average high for September is 61° with an average low of 48°. 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 Glenrothes. See also: October | November | December.