S
M
T
W
T
F
S
30
75°
62°
31
70°
61°
1
78°
66°
2
85°
64°
3
85°
66°
4
81°
65°
5
77°
59°
6
76°
55°
7
78°
53°
8
81°
53°
9
74°
67°
10
75°
54°
11
71°
50°
12
78°
63°
13
78°
57°
14
76°
58°
15
78°
57°
16
71°
53°
17
72°
50°
18
64°
48°
19
62°
46°
20
64°
47°
21
65°
46°
22
65°
51°
23
68°
51°
24
68°
50°
25
71°
51°
26
72°
47°
27
65°
44°
28
70°
50°
29
72°
51°
30
73°
51°
1
72°
50°
2
71°
48°
3
70°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Constantia
Constantia's September 2026 forecast shows daily high temperatures ranging from 62° to 78°, with overnight lows between 44° and 67°. The average high for September is 71° 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 Constantia. See also: October | November | December.
