Measurements:
°C
°F
Naples
80°F
SE 6 mph
Feels like: 82°F
Precip: 4%
World Resorts Italy Naples Weather

7 Day Weather Forecast

09.12
sat
DAY
82°F
NE 8 mph
precip
11%
NIGHT
82°F
SE 5 mph
precip
4%
09.13
sun
DAY
84°F
NE 3 mph
precip
1%
NIGHT
82°F
S 6 mph
precip
9%
09.14
mon
DAY
82°F
N 7 mph
precip
10%
NIGHT
82°F
SW 6 mph
precip
2%
09.15
tue
DAY
84°F
NE 2 mph
precip
1%
NIGHT
84°F
W 6 mph
precip
2%
09.16
wed
DAY
84°F
NE 8 mph
precip
1%
NIGHT
82°F
SE 4 mph
precip
3%
09.17
thu
DAY
82°F
NE 5 mph
precip
11%
NIGHT
80°F
NE 6 mph
precip
20%
09.18
fri
DAY
80°F
NE 5 mph
precip
7%
NIGHT
80°F
E 5 mph
precip
5%

Naples Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Naples was 25.9°F. The maximum and minimum values were 24.4°F and 26.8°F respectively.

Naples on the Weather Map

Best Time to Visit Naples
The most sunny months:
July 28 days
August 26 days
June 25 days
The most warm months:
August 92.2 °F
July 91.4 °F
June 85.0 °F
Warmest sea temperature:
August 84.4 °F
July 83.0 °F
September 80.2 °F
The most cold months:
January 55.4 °F
February 57.0 °F
December 58.7 °F
The most rainy months:
November 7 days
January 6 days
February 5 days
The most windy months:
January 8 mph
February 8 mph
March 7 mph