S
M
T
W
T
F
S
30
89°
58°
31
81°
56°
1
79°
54°
2
79°
59°
3
83°
58°
4
80°
60°
5
60°
56°
6
80°
58°
7
87°
58°
8
99°
70°
9
103°
71°
10
103°
64°
11
93°
60°
12
86°
58°
13
88°
59°
14
90°
60°
15
87°
58°
16
83°
58°
17
87°
59°
18
86°
58°
19
87°
59°
20
86°
58°
21
81°
60°
22
81°
58°
23
83°
59°
24
85°
58°
25
84°
58°
26
80°
60°
27
87°
61°
28
87°
62°
29
88°
62°
30
87°
61°
1
87°
61°
2
86°
60°
3
86°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Knightsen
Knightsen's September 2026 forecast shows daily high temperatures ranging from 80° to 103°, with overnight lows between 58° and 71°. The average high for September is 88° with an average low of 60°. 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 Knightsen. See also: October | November | December.
