S
M
T
W
T
F
S
30
99°
76°
31
99°
75°
1
98°
76°
2
91°
77°
3
96°
76°
4
97°
75°
5
98°
74°
6
97°
74°
7
99°
77°
8
98°
75°
9
97°
77°
10
95°
77°
11
97°
76°
12
99°
78°
13
99°
79°
14
99°
78°
15
98°
80°
16
100°
79°
17
99°
77°
18
97°
72°
19
97°
70°
20
99°
75°
21
94°
75°
22
99°
72°
23
N/A
24
90°
67°
25
90°
62°
26
91°
68°
27
94°
71°
28
93°
73°
29
92°
75°
30
92°
74°
1
90°
73°
2
86°
72°
3
84°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
September Weather in Shreveport
Shreveport's September 2026 forecast shows daily high temperatures ranging from 84° to 94°, with overnight lows between 68° and 75°. The average high for September is 90° with an average low of 72°. 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 Shreveport. See also: October | November | December.