S
M
T
W
T
F
S
30
90°
78°
31
89°
78°
1
90°
77°
2
89°
79°
3
90°
78°
4
91°
77°
5
89°
78°
6
88°
77°
7
88°
78°
8
89°
78°
9
89°
77°
10
88°
77°
11
89°
78°
12
89°
77°
13
88°
77°
14
89°
76°
15
89°
78°
16
88°
77°
17
89°
77°
18
90°
76°
19
89°
77°
20
90°
76°
21
89°
77°
22
89°
77°
23
88°
76°
24
89°
76°
25
89°
77°
26
88°
76°
27
88°
76°
28
89°
75°
29
88°
77°
30
89°
77°
1
88°
76°
2
89°
76°
3
88°
76°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Christiansted
Christiansted's September 2026 forecast shows daily high temperatures ranging from 88° to 91°, with overnight lows between 75° and 79°. The average high for September is 89° with an average low of 77°. 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 Christiansted. See also: October | November | December.
