Measurements:
°C
°F
Porto Santo Island
64°F
SW 7 mph
Feels like: 64°F
Precip: 0%
World Resorts Portugal Porto Santo Island Weather September Weather in Porto Santo Island

Porto Santo Island Weather: September

Average Day Temperature: 77.5°F
Average Night Temperature: 75.2°F
Sea Water Temperature: 77.2°F
Number of Sunny Days: 8 days
Sunshine Hours: 11.9 - 12.8 hours
Number of Rainy Days: 0 days
Precipitation Totals: 0.5 in

Air Temperature in September, °F

Select Year: 2025 2024 2023

The highest day temperature in September 2025 was 76°F. The lowest night temperature was 72°F. The average values for day and night temperatures during September were 74.2°F и 73.8°F respectivly.

Porto Santo Island Water Sea Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Porto Santo Island was 76.8°F. The maximum and minimum values were 75.8°F and 77.8°F respectively.

Sunny, Cloudy and Gloomy days

You can expect various weather conditions during September. Be ready for sunny, cloudy or even gloomy days.

Precipitation Totals in September, in

Precipitation total in September for Porto Santo Island is 0.5 in.

Wind Speed in September, mph

The average wind speed in September is 12.7 mph. It makes September the most windless month of the year for Porto Santo Island.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Porto Santo Island in September is 6.6 hours.

Best Time to Visit Porto Santo Island
The most sunny months:
May 12 days
August 12 days
April 11 days
The most warm months:
August 78.4 °F
September 77.5 °F
July 75.9 °F
Warmest sea temperature:
September 77.2 °F
August 76.3 °F
October 76.0 °F
The most cold months:
February 64.6 °F
March 65.2 °F
January 66.0 °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

Porto Santo Island on the Weather Map

Portugal Resorts:
NAME
Albufeira +58
Algarve +60
Cascais +64
Faro +60
Funchal +52
Lagos +62
Lisbon +62
Madeira +52
Ponta Delgada +66
Portimao +60
Porto +56
Porto Santo Island +64
Quarteira +58
Sao Miguel +66
Terceira Island +64
24 Hours Weather Forecast
Porto Santo Island
Local time: 08:02
05 dec, friday
0900 64°F
SW
7 mph
1200 66°F
W
7 mph
1500 66°F
W
6 mph
1800 66°F
SW
7 mph
2100 68°F
SW
8 mph
06 dec, saturday
0000 66°F
W
8 mph
0300 66°F
W
7 mph
0600 66°F
W
8 mph