S
M
T
W
T
F
S
30
99°
74°
31
86°
68°
1
96°
62°
2
97°
68°
3
93°
77°
4
96°
71°
5
100°
75°
6
103°
77°
7
100°
77°
8
100°
75°
9
103°
77°
10
102°
75°
11
101°
74°
12
97°
71°
13
99°
69°
14
98°
71°
15
89°
70°
16
80°
66°
17
89°
69°
18
93°
70°
19
96°
73°
20
94°
64°
21
95°
67°
22
87°
73°
23
80°
71°
24
89°
68°
25
90°
63°
26
91°
63°
27
95°
63°
28
86°
65°
29
74°
60°
30
75°
58°
1
81°
56°
2
84°
62°
3
83°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Clifton
Clifton's September 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for September is ° with an average low of °. 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 Clifton. See also: October | November | December.