S
M
T
W
T
F
S
30
83°
60°
31
83°
60°
1
81°
59°
2
79°
59°
3
76°
58°
4
75°
53°
5
76°
54°
6
77°
59°
7
80°
56°
8
78°
58°
9
77°
58°
10
75°
57°
11
75°
52°
12
73°
53°
13
73°
55°
14
75°
56°
15
75°
56°
16
78°
55°
17
78°
54°
18
77°
55°
19
76°
52°
20
71°
47°
21
69°
47°
22
70°
48°
23
73°
51°
24
74°
52°
25
75°
53°
26
74°
46°
27
69°
46°
28
68°
44°
29
67°
43°
30
67°
44°
1
Hist. Avg.
74°
46°
2
Hist. Avg.
74°
46°
3
Hist. Avg.
74°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Georgetown
Georgetown's September 2026 forecast shows daily high temperatures ranging from 67° to 83°, with overnight lows between 43° and 60°. The average high for September is 75° with an average low of 53°. 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 Georgetown. See also: October | November | December.
