S
M
T
W
T
F
S
30
87°
81°
31
N/A
1
91°
81°
2
91°
80°
3
91°
81°
4
91°
81°
5
92°
81°
6
90°
80°
7
92°
81°
8
92°
80°
9
91°
81°
10
88°
81°
11
87°
82°
12
87°
82°
13
88°
81°
14
87°
82°
15
87°
82°
16
88°
81°
17
86°
82°
18
87°
82°
19
87°
81°
20
88°
82°
21
87°
82°
22
87°
81°
23
88°
82°
24
87°
82°
25
87°
81°
26
88°
81°
27
87°
82°
28
87°
82°
29
88°
81°
30
87°
82°
1
87°
81°
2
88°
81°
3
87°
80°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Charlotte Amalie
Charlotte Amalie's September 2026 forecast shows daily high temperatures ranging from 86° to 92°, with overnight lows between 80° and 82°. The average high for September is 88° with an average low of 81°. 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 Charlotte Amalie. See also: October | November | December.
