S
M
T
W
T
F
S
30
97°
78°
31
97°
77°
1
96°
76°
2
96°
77°
3
95°
77°
4
97°
76°
5
96°
77°
6
95°
76°
7
95°
76°
8
94°
75°
9
96°
76°
10
96°
76°
11
95°
75°
12
96°
76°
13
95°
75°
14
95°
72°
15
95°
72°
16
93°
72°
17
94°
73°
18
95°
66°
19
92°
63°
20
85°
63°
21
86°
64°
22
90°
65°
23
91°
69°
24
91°
69°
25
90°
68°
26
90°
66°
27
89°
67°
28
89°
61°
29
82°
62°
30
84°
67°
1
88°
66°
2
88°
65°
3
87°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Bossier City
Bossier City's September 2026 forecast shows daily high temperatures ranging from 82° to 97°, with overnight lows between 61° and 78°. The average high for September is 92° 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 Bossier City. See also: October | November | December.
