S
M
T
W
T
F
S
30
89°
56°
31
90°
55°
1
88°
54°
2
91°
56°
3
93°
56°
4
87°
55°
5
87°
56°
6
86°
54°
7
92°
56°
8
92°
56°
9
93°
57°
10
93°
56°
11
92°
56°
12
89°
55°
13
86°
54°
14
85°
53°
15
85°
54°
16
89°
55°
17
91°
56°
18
92°
54°
19
91°
55°
20
91°
54°
21
90°
54°
22
90°
53°
23
87°
52°
24
85°
52°
25
88°
51°
26
88°
53°
27
87°
52°
28
87°
52°
29
84°
48°
30
87°
51°
1
83°
46°
2
78°
43°
3
78°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Nice
Nice's September 2026 forecast shows daily high temperatures ranging from 78° to 93°, with overnight lows between 43° and 57°. The average high for September is 88° with an average low of 53°. 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 Nice. See also: October | November | December.
