S
M
T
W
T
F
S
30
65°
55°
31
68°
55°
1
69°
54°
2
69°
53°
3
68°
54°
4
68°
53°
5
70°
52°
6
67°
53°
7
68°
49°
8
65°
50°
9
66°
50°
10
65°
51°
11
64°
51°
12
62°
50°
13
Hist. Avg.
63°
49°
14
Hist. Avg.
63°
49°
15
Hist. Avg.
63°
49°
16
Hist. Avg.
63°
49°
17
Hist. Avg.
62°
49°
18
Hist. Avg.
62°
48°
19
Hist. Avg.
62°
48°
20
Hist. Avg.
62°
48°
21
Hist. Avg.
62°
48°
22
Hist. Avg.
61°
48°
23
Hist. Avg.
61°
48°
24
Hist. Avg.
61°
48°
25
Hist. Avg.
61°
47°
26
Hist. Avg.
60°
47°
27
Hist. Avg.
60°
47°
28
Hist. Avg.
60°
47°
29
Hist. Avg.
60°
47°
30
Hist. Avg.
60°
47°
1
Hist. Avg.
59°
46°
2
Hist. Avg.
59°
46°
3
Hist. Avg.
59°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Topcliffe
Topcliffe's September 2026 forecast shows daily high temperatures ranging from 62° to 70°, with overnight lows between 49° and 55°. The average high for September is 67° with an average low of 52°. 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 Topcliffe. See also: October | November | December.