World Resorts Portugal Lisbon Weather

Lisbon Sea Temperature in September

Average sea water temperature in September:
+66.7°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:
2026
2025
2024

The average sea water temperature in September of 2026 was 68.2°F. The highest and lowest sea temperatures during the month were 70.7°F and 66.0°F.

Monthly sea water temperature in Lisbon, °F

Which Portugal resorts have warmest sea in September?

Place name September 2026 September 2025
Madeira 76.8°F 74.6°F
Funchal 76.8°F 74.6°F
Canico 76.3°F 74.3°F
Corvo Island 75.7°F 72.6°F
Porto Santo Island 75.6°F 74.1°F
Pico Island 75.5°F 73.1°F
Sao Jorge 75.5°F 73.3°F
Faial Island 75.5°F 73.1°F
Flores Island 75.4°F 72.8°F
Santa Maria Island 75.3°F 73.7°F
Ponta Delgada 75.2°F 73.1°F
Graciosa 75.2°F 72.7°F
Terceira Island 75.0°F 72.6°F
Sao Miguel 74.8°F 72.9°F
Tavira 72.3°F 66.5°F
Faro 71.7°F 67.0°F
Algarve 71.7°F 67.0°F
Quarteira 70.9°F 66.0°F
Albufeira 70.6°F 65.5°F
Portimao 70.2°F 65.1°F

Best time for vacation in Lisbon

Sunniest months:
August 28 days
July 26 days
September 23 days
Warmest months:
August 81.6 °F
July 80.8 °F
September 78.9 °F
Warmest sea temp:
August 67.3 °F
July 67.0 °F
September 66.7 °F
Coldest months:
January 58.4 °F
February 59.7 °F
December 60.4 °F
Rainiest months:
March 4 days
November 4 days
April 4 days
Windiest months:
July 10.5 mph
June 10.2 mph
August 10.2 mph

Lisbon on a weather map

Lisbon
+84°F
N 2 mph
Feels like: +84°F
Precip.: 1%
Places in Portugal:
Name
°F
+73°F
+73°F
+68°F
+73°F
+72°F
+84°F
+68°F
+72°F
+84°F
+84°F
+72°F
+82°F
+73°F
+68°F
+82°F
24 Hours Forecast
Lisbon
Local time: 15:47
October 04, sunday
1800
81°F
SE
6 mph
2100
73°F
SW
7 mph
October 05, monday
0000
72°F
SW
7 mph
0300
70°F
W
6 mph
0600
68°F
W
6 mph
0900
68°F
W
3 mph
1200
75°F
NW
6 mph
1500
77°F
N
9 mph

Best place for vacation:

Units of measurement: °C / °F