S
M
T
W
T
F
S
30
108°
81°
31
101°
81°
1
91°
70°
2
91°
72°
3
91°
72°
4
91°
72°
5
90°
72°
6
91°
72°
7
88°
70°
8
90°
70°
9
86°
71°
10
88°
71°
11
86°
73°
12
81°
69°
13
79°
66°
14
79°
71°
15
76°
71°
16
78°
71°
17
79°
72°
18
79°
72°
19
78°
70°
20
77°
71°
21
78°
68°
22
77°
71°
23
76°
69°
24
75°
70°
25
76°
68°
26
74°
68°
27
72°
67°
28
72°
66°
29
73°
67°
30
75°
67°
1
72°
65°
2
70°
65°
3
70°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
September Weather in Giardini Naxos
Giardini Naxos's September 2026 forecast shows daily high temperatures ranging from 70° to 88°, with overnight lows between 65° and 73°. The average high for September is 77° with an average low of 69°. 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 Giardini Naxos. See also: October | November | December.