Measurements:
°C
°F
Porto Santo Island
76°F
SW 16 mph
Feels like: 80°F
Precip: 26%
World Resorts Portugal Porto Santo Island Weather

7 Day Weather Forecast

09.09
wed
DAY
76°F
SW 14 mph
precip
11%
NIGHT
78°F
S 14 mph
precip
21%
09.10
thu
DAY
74°F
SW 18 mph
precip
5%
NIGHT
74°F
S 20 mph
precip
6%
09.11
fri
DAY
76°F
SW 17 mph
precip
7%
NIGHT
78°F
SW 21 mph
precip
10%
09.12
sat
DAY
76°F
S 19 mph
precip
16%
NIGHT
76°F
S 21 mph
precip
11%
09.13
sun
DAY
78°F
SW 16 mph
precip
10%
NIGHT
78°F
SW 14 mph
precip
21%
09.14
mon
DAY
78°F
SW 3 mph
precip
26%
NIGHT
78°F
NE 6 mph
precip
11%
09.15
tue
DAY
78°F
N 9 mph
precip
12%
NIGHT
78°F
N 2 mph
precip
26%

Porto Santo Island Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Porto Santo Island was 23.4°F. The maximum and minimum values were 22.9°F and 23.9°F respectively.

Porto Santo Island on the Weather Map

Best Time to Visit Porto Santo Island
The most sunny months:
August 12 days
May 12 days
April 11 days
The most warm months:
August 78.3 °F
September 77.5 °F
July 75.8 °F
Warmest sea temperature:
September 77.2 °F
August 76.4 °F
October 76.0 °F
The most cold months:
February 64.5 °F
March 64.9 °F
January 65.9 °F
The most rainy months:
October 3 days
November 3 days
February 2 days
The most windy months:
March 16 mph
February 15 mph
November 14 mph