World Resorts Portugal Lisbon Weather

Lisbon Sea Temperature in September

Average sea water temperature in September:
+66.6°F
Minimum sea water temperature in September: 72.1°F
Maximum sea water temperature in September: 60.8°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 65.9°F. The highest and lowest sea temperatures during the month were 69.3°F and 63.0°F.

Monthly sea water temperature in Lisbon, °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 Lisbon

Sunniest months:
August 28 days
July 26 days
September 23 days
Warmest months:
August 81.8 °F
July 80.8 °F
September 78.6 °F
Warmest sea temp:
August 67.1 °F
July 66.8 °F
September 66.6 °F
Coldest months:
January 58.6 °F
February 59.8 °F
December 60.7 °F
Rainiest months:
March 4 days
November 4 days
April 4 days
Windiest months:
July 10.7 mph
August 10.2 mph
June 10.2 mph

Lisbon on a weather map

Lisbon
+61°F
E 13 mph
Feels like: +61°F
Precip.: 100%
Places in Portugal:
Name
°F
+57°F
+59°F
+61°F
+57°F
+61°F
+61°F
+54°F
+64°F
+59°F
+54°F
+64°F
+59°F
+54°F
24 Hours Forecast
Lisbon
Local time: 04:50
December 05, friday
0600
61°F
E
13 mph
0900
61°F
E
12 mph
1200
63°F
E
13 mph
1500
64°F
E
14 mph
1800
61°F
E
9 mph
2100
61°F
NE
7 mph
December 06, saturday
0000
59°F
NE
6 mph
0300
59°F
NE
6 mph

Best place for vacation:

Units of measurement: °C / °F