S
M
T
W
T
F
S
30
90°
74°
31
90°
74°
1
93°
74°
2
95°
73°
3
95°
72°
4
84°
74°
5
84°
73°
6
93°
73°
7
96°
73°
8
90°
73°
9
86°
72°
10
88°
73°
11
90°
71°
12
91°
71°
13
93°
70°
14
91°
71°
15
90°
69°
16
90°
67°
17
89°
68°
18
91°
67°
19
89°
66°
20
85°
65°
21
90°
69°
22
90°
69°
23
89°
68°
24
89°
68°
25
88°
67°
26
88°
68°
27
87°
67°
28
87°
67°
29
86°
66°
30
87°
67°
1
87°
63°
2
84°
58°
3
80°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nicholson
Nicholson's September 2026 forecast shows daily high temperatures ranging from 80° to 96°, with overnight lows between 58° and 73°. The average high for September is 89° with an average low of 68°. 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 Nicholson. See also: October | November | December.