Measurements:
°C
°F
CURRENT WEATHER
01:25
Estoril
70°F
SE 13 mph
Feels like: 70°F
Precip: 27%
World Resorts Portugal Estoril Weather

7 Day Weather Forecast

09.09
wed
DAY
68°F
S 21 mph
precip
7%
NIGHT
68°F
S 24 mph
precip
15%
09.10
thu
DAY
70°F
S 19 mph
precip
8%
NIGHT
68°F
S 22 mph
precip
11%
09.11
fri
DAY
72°F
S 13 mph
precip
7%
NIGHT
68°F
S 18 mph
precip
14%
09.12
sat
DAY
74°F
S 10 mph
precip
8%
NIGHT
74°F
S 15 mph
precip
5%
09.13
sun
DAY
80°F
SW 1 mph
precip
2%
NIGHT
74°F
S 11 mph
precip
4%
09.14
mon
DAY
76°F
N 9 mph
precip
4%
NIGHT
74°F
SE 6 mph
precip
13%
09.15
tue
DAY
76°F
NE 8 mph
precip
4%
NIGHT
70°F
S 12 mph
precip
12%

Estoril Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Estoril was 17.0°F. The maximum and minimum values were 15.7°F and 18.8°F respectively.

Estoril on the Weather Map

Best Time to Visit Estoril
The most sunny months:
August 27 days
July 26 days
September 24 days
The most warm months:
August 78.7 °F
July 77.7 °F
September 77.4 °F
Warmest sea temperature:
September 66.2 °F
October 65.8 °F
August 65.5 °F
The most cold months:
January 59.3 °F
February 59.9 °F
December 61.6 °F
The most rainy months:
November 5 days
March 4 days
December 4 days
The most windy months:
July 13 mph
August 13 mph
June 12 mph
more details