15.09
tue
tue
Day
77°F
N 9 mph
Precip.
3%
3%
Night
73°F
SE 15 mph
Precip.
2%
2%
16.09
wed
wed
Day
75°F
E 12 mph
Precip.
2%
2%
Night
72°F
SE 10 mph
Precip.
6%
6%
17.09
thu
thu
Day
73°F
N 9 mph
Precip.
13%
13%
Night
72°F
S 4 mph
Precip.
14%
14%
18.09
fri
fri
Day
73°F
NW 8 mph
Precip.
16%
16%
Night
72°F
SE 5 mph
Precip.
3%
3%
19.09
sat
sat
Day
75°F
W 14 mph
Precip.
11%
11%
Night
72°F
SW 8 mph
Precip.
8%
8%
20.09
sun
sun
Day
75°F
W 14 mph
Precip.
5%
5%
Night
72°F
SW 10 mph
Precip.
10%
10%
21.09
mon
mon
Day
75°F
W 13 mph
Precip.
4%
4%
Night
72°F
SW 6 mph
Precip.
5%
5%
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.
Air temperature in Algarve, °F
Precipitation total in Algarve, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Algarve
Algarve on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Algarve
Local time: 00:40
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
