Measurements:
°C
°F
CURRENT WEATHER
01:42
Portimao
66°F
NW 4 mph
Feels like: 66°F
Precip: 22%
World Resorts Portugal Portimao Weather

7 Day Weather Forecast

09.29
tue
DAY
80°F
N 12 mph
precip
8%
NIGHT
68°F
NE 2 mph
precip
21%
09.30
wed
DAY
82°F
NE 7 mph
precip
13%
NIGHT
66°F
S 8 mph
precip
18%
10.01
thu
DAY
78°F
S 7 mph
precip
10%
NIGHT
64°F
S 7 mph
precip
16%
10.02
fri
DAY
84°F
NW 3 mph
precip
9%
NIGHT
66°F
S 5 mph
precip
17%
10.03
sat
DAY
84°F
NE 6 mph
precip
1%
NIGHT
60°F
S 5 mph
precip
27%
10.04
sun
DAY
82°F
SE 2 mph
precip
1%
NIGHT
66°F
S 6 mph
precip
12%
10.05
mon
DAY
84°F
E 5 mph
precip
1%
NIGHT
58°F
SE 7 mph
precip
19%

Portimao Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Portimao was 21.1°F. The maximum and minimum values were 18.4°F and 23.4°F respectively.

Portimao on the Weather Map

Best Time to Visit Portimao
The most sunny months:
July 29 days
August 29 days
June 25 days
The most warm months:
August 85.9 °F
July 85.1 °F
September 82.3 °F
Warmest sea temperature:
September 70.6 °F
August 70.2 °F
October 69.4 °F
The most cold months:
January 60.6 °F
February 61.1 °F
December 62.8 °F
The most rainy months:
March 3 days
November 3 days
October 3 days
The most windy months:
March 11 mph
February 10 mph
April 10 mph
more details