S
M
T
W
T
F
S
30
72°
55°
31
70°
52°
1
66°
52°
2
66°
59°
3
70°
57°
4
68°
55°
5
68°
50°
6
70°
48°
7
66°
55°
8
64°
52°
9
62°
50°
10
65°
54°
11
66°
48°
12
66°
58°
13
67°
54°
14
69°
58°
15
65°
49°
16
62°
50°
17
63°
51°
18
63°
51°
19
64°
51°
20
63°
50°
21
65°
55°
22
65°
54°
23
64°
54°
24
65°
52°
25
63°
49°
26
61°
47°
27
60°
47°
28
62°
50°
29
62°
51°
30
61°
47°
1
61°
51°
2
62°
50°
3
62°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Greatham
Greatham's September 2026 forecast shows daily high temperatures ranging from 60° to 69°, with overnight lows between 47° and 58°. The average high for September is 64° with an average low of 51°. 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 Greatham. See also: October | November | December.
