S
M
T
W
T
F
S
30
84°
76°
31
86°
76°
1
89°
76°
2
91°
77°
3
88°
79°
4
91°
79°
5
94°
78°
6
94°
75°
7
85°
75°
8
82°
72°
9
86°
75°
10
90°
77°
11
90°
73°
12
88°
75°
13
91°
76°
14
94°
78°
15
86°
76°
16
85°
72°
17
87°
71°
18
91°
71°
19
91°
73°
20
88°
74°
21
88°
75°
22
N/A
23
75°
68°
24
71°
64°
25
77°
56°
26
81°
56°
27
83°
61°
28
86°
64°
29
85°
68°
30
84°
70°
1
84°
71°
2
85°
71°
3
84°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Port Royal
Port Royal's September 2026 forecast shows daily high temperatures ranging from 77° to 86°, with overnight lows between 56° and 71°. The average high for September is 83° with an average low of 65°. 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 Port Royal. See also: October | November | December.
