14.09
mon
mon
Day
88°F
E 6 mph
Precip.
17%
17%
Night
84°F
N 2 mph
Precip.
18%
18%
15.09
tue
tue
Day
90°F
NW 5 mph
Precip.
4%
4%
Night
79°F
W 10 mph
Precip.
10%
10%
16.09
wed
wed
Day
88°F
SW 16 mph
Precip.
13%
13%
Night
77°F
SW 12 mph
Precip.
10%
10%
17.09
thu
thu
Day
88°F
W 10 mph
Precip.
2%
2%
Night
77°F
W 10 mph
Precip.
85%
85%
18.09
fri
fri
Day
88°F
W 8 mph
Precip.
12%
12%
Night
81°F
SW 7 mph
Precip.
10%
10%
19.09
sat
sat
Day
86°F
S 10 mph
Precip.
2%
2%
Night
77°F
SW 7 mph
Precip.
7%
7%
20.09
sun
sun
Day
86°F
SW 9 mph
Precip.
3%
3%
Night
82°F
W 6 mph
Precip.
8%
8%
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 86.1°F. The highest and lowest sea temperatures during the month were 88.3°F and 84.2°F.
Air temperature in Naples, °F
Precipitation total in Naples, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Naples
Naples on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Naples
Local time: 17:05
September 14, monday
1800
88°F
E
8 mph
8 mph
2100
84°F
E
3 mph
3 mph
September 15, tuesday
0000
84°F
N
2 mph
2 mph
0300
82°F
NW
4 mph
4 mph
0600
79°F
NW
6 mph
6 mph
0900
82°F
NW
9 mph
9 mph
1200
90°F
NW
5 mph
5 mph
1500
88°F
E
8 mph
8 mph
