S
M
T
W
T
F
S
30
74°
57°
31
73°
54°
1
75°
50°
2
73°
49°
3
72°
50°
4
72°
48°
5
74°
50°
6
73°
55°
7
77°
54°
8
71°
54°
9
75°
53°
10
78°
53°
11
77°
54°
12
77°
52°
13
76°
54°
14
78°
53°
15
77°
47°
16
75°
45°
17
68°
48°
18
66°
53°
19
76°
52°
20
74°
51°
21
75°
43°
22
74°
42°
23
72°
48°
24
72°
49°
25
Hist. Avg.
69°
50°
26
Hist. Avg.
69°
49°
27
Hist. Avg.
68°
49°
28
Hist. Avg.
68°
48°
29
Hist. Avg.
67°
48°
30
Hist. Avg.
67°
48°
1
Hist. Avg.
66°
47°
2
Hist. Avg.
66°
47°
3
Hist. Avg.
66°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Constantia
Constantia's September 2026 forecast shows daily high temperatures ranging from 66° to 78°, with overnight lows between 42° and 57°. The average high for September is 74° 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.
