Measurements:
°C
°F
Posillipo
78°F
N 6 mph
Feels like: 82°F
Precip: 4%
World Resorts Italy Posillipo Weather

7 Day Weather Forecast

09.16
wed
DAY
78°F
N 6 mph
precip
4%
NIGHT
80°F
E 4 mph
precip
4%
09.17
thu
DAY
80°F
N 6 mph
precip
16%
NIGHT
80°F
NE 4 mph
precip
4%
09.18
fri
DAY
78°F
N 8 mph
precip
7%
NIGHT
80°F
NW 6 mph
precip
44%
09.19
sat
DAY
78°F
N 11 mph
precip
9%
NIGHT
80°F
W 2 mph
precip
16%
09.20
sun
DAY
82°F
NE 5 mph
precip
6%
NIGHT
78°F
W 4 mph
precip
9%
09.21
mon
DAY
82°F
NW 5 mph
precip
2%
NIGHT
80°F
SE 5 mph
precip
11%
09.22
tue
DAY
80°F
N 6 mph
precip
4%
NIGHT
80°F
E 6 mph
precip
22%

Posillipo Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Posillipo was 28.7°F. The maximum and minimum values were 27.1°F and 29.5°F respectively.

Posillipo on the Weather Map

Best Time to Visit Posillipo
The most sunny months:
July 27 days
June 23 days
August 23 days
The most warm months:
July 92.2 °F
August 91.5 °F
June 85.7 °F
Warmest sea temperature:
August 85.4 °F
July 84.3 °F
September 81.0 °F
The most cold months:
January 54.5 °F
December 57.4 °F
February 57.5 °F
The most rainy months:
December 5 days
November 5 days
January 4 days
The most windy months:
March 6 mph
April 6 mph
January 6 mph