S
M
T
W
T
F
S
30
92°
75°
31
93°
74°
1
92°
75°
2
90°
75°
3
88°
73°
4
89°
73°
5
87°
74°
6
87°
74°
7
88°
73°
8
89°
74°
9
91°
74°
10
90°
73°
11
91°
73°
12
89°
72°
13
91°
73°
14
91°
68°
15
88°
69°
16
86°
68°
17
85°
69°
18
88°
72°
19
89°
72°
20
89°
71°
21
87°
72°
22
86°
71°
23
87°
71°
24
84°
70°
25
84°
70°
26
86°
69°
27
88°
70°
28
87°
70°
29
87°
69°
30
86°
69°
1
87°
68°
2
87°
68°
3
85°
64°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Gulfport
Gulfport's September 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 64° and 75°. The average high for September is 88° with an average low of 71°. 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 Gulfport. See also: October | November | December.
