World Resorts Portugal Algarve Weather

Algarve Sea Temperature in September

Average sea water temperature in September:
+70.0°F
Minimum sea water temperature in September: 76.3°F
Maximum sea water temperature in September: 63.1°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 67.0°F. The highest and lowest sea temperatures during the month were 69.1°F and 64.8°F.

Monthly sea water temperature in Algarve, °F

Which Portugal resorts have warmest sea in September?

Place name September 2025 September 2024
Madeira 74.6°F 74.8°F
Funchal 74.6°F 74.8°F
Canico 74.3°F 74.6°F
Porto Santo Island 74.1°F 74.1°F
Santa Maria Island 73.7°F 75.6°F
Sao Jorge 73.3°F 75.3°F
Pico Island 73.1°F 75.2°F
Ponta Delgada 73.1°F 75.8°F
Faial Island 73.1°F 75.2°F
Sao Miguel 72.9°F 75.5°F
Flores Island 72.8°F 75.4°F
Graciosa 72.7°F 75.1°F
Terceira Island 72.6°F 74.6°F
Corvo Island 72.6°F 75.2°F
Algarve 67.0°F 68.3°F
Faro 67.0°F 68.3°F
Tavira 66.5°F 69.0°F
Quarteira 66.0°F 66.9°F
Lisbon 65.9°F 65.1°F
Albufeira 65.5°F 66.7°F

Best time for vacation in Algarve

Sunniest months:
August 30 days
July 30 days
June 26 days
Warmest months:
August 81.6 °F
July 80.8 °F
September 77.4 °F
Warmest sea temp:
August 70.4 °F
September 70.0 °F
July 69.6 °F
Coldest months:
January 59.4 °F
February 59.6 °F
December 61.5 °F
Rainiest months:
November 3 days
March 3 days
December 2 days
Windiest months:
March 11.6 mph
February 11.0 mph
April 10.7 mph

Algarve on a weather map

Algarve
+55°F
SE 29 mph
Feels like: +48°F
Precip.: 67%
Places in Portugal:
Name
°F
+54°F
+55°F
+57°F
+54°F
+55°F
+55°F
+50°F
+63°F
+55°F
+52°F
+63°F
+55°F
+50°F
24 Hours Forecast
Algarve
Local time: 20:33
December 16, tuesday
2100
55°F
SE
29 mph
December 17, wednesday
0000
55°F
S
24 mph
0300
54°F
S
22 mph
0600
54°F
S
17 mph
0900
52°F
S
17 mph
1200
57°F
SW
17 mph
1500
61°F
S
14 mph
1800
59°F
S
12 mph

Best place for vacation:

Units of measurement: °C / °F