Measurements:
°C
°F
Portonovo
62°F
W 3 mph
Feels like: 62°F
Precip: 38%
World Resorts Spain Portonovo Weather

7 Day Weather Forecast

09.29
tue
DAY
74°F
N 19 mph
precip
14%
NIGHT
64°F
N 11 mph
precip
50%
09.30
wed
DAY
66°F
NE 8 mph
precip
25%
NIGHT
56°F
SW 4 mph
precip
15%
10.01
thu
DAY
64°F
SW 9 mph
precip
8%
NIGHT
58°F
SW 7 mph
precip
15%
10.02
fri
DAY
68°F
SW 6 mph
precip
14%
NIGHT
66°F
SW 7 mph
precip
13%
10.03
sat
DAY
76°F
NW 3 mph
precip
7%
NIGHT
64°F
SW 7 mph
precip
27%
10.04
sun
DAY
72°F
SW 11 mph
precip
10%
NIGHT
62°F
SW 9 mph
precip
9%
10.05
mon
DAY
66°F
SW 12 mph
precip
6%
NIGHT
58°F
SW 9 mph
precip
7%

Portonovo Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Portonovo was 18.3°F. The maximum and minimum values were 16.1°F and 20.3°F respectively.

Portonovo on the Weather Map

Best Time to Visit Portonovo
The most sunny months:
July 23 days
August 22 days
May 15 days
The most warm months:
July 79.4 °F
August 78.5 °F
September 74.3 °F
Warmest sea temperature:
August 67.0 °F
July 66.3 °F
September 65.6 °F
The most cold months:
January 53.3 °F
December 55.2 °F
February 56.6 °F
The most rainy months:
October 9 days
December 8 days
January 6 days
The most windy months:
January 8 mph
December 7 mph
March 7 mph