Current sea water temperature:
+71.4°F
| Minimum sea water temperature in September: | 76.3°F |
| Maximum sea water temperature in September: | 63.1°F |
| Average sea water temperature in September: | 69.9°F |
| more information | |
14 days
forecast
forecast
| Algarve |
monthly
weather
weather
| Algarve |
Sea water temperature for the last 10 days:
| September 14 | 71.4°F | September 9 | 72.1°F |
| September 13 | 70.2°F | September 8 | 71.6°F |
| September 12 | 69.6°F | September 7 | 71.1°F |
| September 11 | 69.4°F | September 6 | 69.3°F |
| September 10 | 70.9°F | September 5 | 68.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Algarve?
Based on the data about daily sea water temperature for the last three years the warmest sea in Algarve was noticed in August, September and July.
Monthly Sea Temperatures in Algarve, °F
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 68.5°F. The highest and lowest sea temperatures during the month were 70.3°F and 66.4°F.
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.
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 70.4°F. The highest and lowest sea temperatures during the month were 76.3°F and 65.3°F.
current
weather
weather
| Algarve |
weather in
September
September
| Algarve |
Best time for vacation in Algarve
Algarve on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Algarve
Local time: 00:10
September 15, tuesday
0300
73°F
SW
2 mph
2 mph
0600
72°F
W
5 mph
5 mph
0900
75°F
S
2 mph
2 mph
1200
77°F
N
9 mph
9 mph
1500
75°F
NE
11 mph
11 mph
1800
82°F
E
12 mph
12 mph
2100
79°F
SE
14 mph
14 mph
September 16, wednesday
0000
73°F
SE
15 mph
15 mph
