S
M
T
W
T
F
S
30
64°
50°
31
63°
50°
1
63°
51°
2
64°
51°
3
63°
49°
4
64°
49°
5
63°
51°
6
64°
52°
7
65°
53°
8
67°
52°
9
65°
51°
10
65°
53°
11
63°
54°
12
67°
55°
13
66°
54°
14
67°
52°
15
65°
50°
16
61°
48°
17
61°
48°
18
62°
49°
19
60°
47°
20
60°
46°
21
61°
48°
22
60°
48°
23
61°
49°
24
61°
48°
25
60°
50°
26
60°
51°
27
62°
47°
28
61°
47°
29
59°
48°
30
59°
46°
1
58°
46°
2
58°
46°
3
59°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Stonyford
Stonyford's September 2026 forecast shows daily high temperatures ranging from 58° to 67°, with overnight lows between 46° and 55°. The average high for September is 62° 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 Stonyford. See also: October | November | December.