S
M
T
W
T
F
S
30
91°
55°
31
94°
56°
1
94°
58°
2
91°
55°
3
89°
54°
4
89°
54°
5
90°
55°
6
90°
54°
7
89°
54°
8
89°
55°
9
88°
57°
10
88°
60°
11
89°
57°
12
88°
59°
13
90°
62°
14
94°
61°
15
94°
60°
16
95°
58°
17
94°
57°
18
94°
57°
19
93°
56°
20
91°
58°
21
93°
58°
22
93°
57°
23
92°
59°
24
87°
58°
25
83°
57°
26
82°
56°
27
84°
57°
28
83°
58°
29
84°
57°
30
84°
58°
1
83°
55°
2
82°
54°
3
83°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Knights Landing
Knights Landing's September 2026 forecast shows daily high temperatures ranging from 82° to 95°, with overnight lows between 54° and 62°. The average high for September is 89° with an average low of 57°. 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 Knights Landing. See also: October | November | December.