Measurements:
°C
°F
CURRENT WEATHER
05:49
Nettuno
72°F
S 6 mph
Feels like: 72°F
Precip: 18%
World Resorts Italy Nettuno Weather

7 Day Weather Forecast

09.12
sat
DAY
84°F
E 9 mph
precip
1%
NIGHT
74°F
SE 5 mph
precip
4%
09.13
sun
DAY
84°F
N 9 mph
precip
2%
NIGHT
74°F
SE 6 mph
precip
4%
09.14
mon
DAY
84°F
N 7 mph
precip
11%
NIGHT
74°F
S 2 mph
precip
5%
09.15
tue
DAY
86°F
NE 7 mph
precip
1%
NIGHT
76°F
SE 6 mph
precip
3%
09.16
wed
DAY
86°F
NE 4 mph
precip
1%
NIGHT
76°F
SE 5 mph
precip
4%
09.17
thu
DAY
86°F
NE 7 mph
precip
1%
NIGHT
74°F
SE 6 mph
precip
6%
09.18
fri
DAY
84°F
E 9 mph
precip
5%
NIGHT
74°F
SE 6 mph
precip
15%

Nettuno Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Nettuno was 25.1°F. The maximum and minimum values were 24.0°F and 25.7°F respectively.

Nettuno on the Weather Map

Best Time to Visit Nettuno
The most sunny months:
July 29 days
August 27 days
June 26 days
The most warm months:
August 90.0 °F
July 89.0 °F
June 82.6 °F
Warmest sea temperature:
August 82.8 °F
July 81.2 °F
September 79.4 °F
The most cold months:
January 55.1 °F
February 56.3 °F
December 58.0 °F
The most rainy months:
November 7 days
December 5 days
March 5 days
The most windy months:
February 9 mph
November 9 mph
January 8 mph
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