S
M
T
W
T
F
S
30
62°
55°
31
66°
47°
1
70°
45°
2
66°
54°
3
63°
59°
4
64°
58°
5
63°
57°
6
66°
59°
7
69°
58°
8
N/A
9
91°
56°
10
83°
56°
11
67°
57°
12
70°
56°
13
78°
57°
14
82°
57°
15
75°
53°
16
58°
36°
17
57°
35°
18
59°
37°
19
66°
45°
20
75°
49°
21
63°
43°
22
63°
42°
23
65°
43°
24
64°
43°
25
65°
46°
26
69°
51°
27
73°
52°
28
75°
53°
29
75°
52°
30
71°
45°
1
64°
44°
2
64°
44°
3
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Grahamstown
Grahamstown's September 2026 forecast shows daily high temperatures ranging from 57° to 91°, with overnight lows between 35° and 57°. The average high for September is 70° 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 Grahamstown. See also: October | November | December.
