S
M
T
W
T
F
S
30
90°
74°
31
89°
76°
1
90°
76°
2
92°
75°
3
94°
74°
4
92°
75°
5
87°
73°
6
90°
74°
7
92°
74°
8
89°
73°
9
91°
74°
10
92°
73°
11
93°
72°
12
91°
73°
13
92°
71°
14
90°
71°
15
91°
72°
16
88°
69°
17
85°
71°
18
84°
71°
19
86°
70°
20
86°
71°
21
87°
71°
22
88°
70°
23
88°
71°
24
83°
70°
25
82°
70°
26
82°
69°
27
83°
65°
28
81°
62°
29
80°
61°
30
81°
61°
1
80°
62°
2
80°
62°
3
81°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Prairieville
Prairieville's September 2026 forecast shows daily high temperatures ranging from 80° to 94°, with overnight lows between 60° and 75°. The average high for September is 87° with an average low of 70°. 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 Prairieville. See also: October | November | December.
