30.09
wed
wed
Day

73°F
NE 5 mph
Precip.
18%
18%
Night

72°F
S 12 mph
Precip.
14%
14%
01.10
thu
thu
Day

75°F
S 3 mph
Precip.
12%
12%
Night

70°F
S 10 mph
Precip.
6%
6%
02.10
fri
fri
Day

72°F
NW 8 mph
Precip.
5%
5%
Night

70°F
W 2 mph
Precip.
37%
37%
03.10
sat
sat
Day

72°F
W 14 mph
Precip.
26%
26%
Night

70°F
W 4 mph
Precip.
30%
30%
04.10
sun
sun
Day

73°F
W 13 mph
Precip.
26%
26%
Night

72°F
E 9 mph
Precip.
25%
25%
05.10
mon
mon
Day

77°F
NW 15 mph
Precip.
15%
15%
Night

73°F
W 9 mph
Precip.
14%
14%
06.10
tue
tue
Day

73°F
NW 10 mph
Precip.
24%
24%
Night

73°F
SW 6 mph
Precip.
37%
37%
sea water
temperature
temperature
| Quarteira |
monthly
weather
weather
| Quarteira |
current
weather
weather
| Quarteira |
14 days
forecast
forecast
| Quarteira |
Sea water temperature in September, °F
Show year:
2026
2025
2024
The average sea water temperature in September of 2026 was 70.9°F. The highest and lowest sea temperatures during the month were 74.8°F and 65.3°F.
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 70.0°F and 66.7°F.
Air temperature in Quarteira, °F
Precipitation total in Quarteira, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Quarteira
Quarteira on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Quarteira
Local time: 14:27
September 30, wednesday
1500

73°F
NE
9 mph
9 mph
1800

73°F
E
13 mph
13 mph
2100

72°F
SE
8 mph
8 mph
October 01, thursday
0000

72°F
S
12 mph
12 mph
0300

70°F
S
9 mph
9 mph
0600

68°F
S
8 mph
8 mph
0900

68°F
S
9 mph
9 mph
1200

75°F
S
3 mph
3 mph




























