Measurements:
°C
°F
CURRENT WEATHER
03:08
Biarritz
64°F
SE 9 mph
Feels like: 64°F
Precip: 39%
World Resorts France Biarritz Weather

7 Day Weather Forecast

09.09
wed
DAY
66°F
S 8 mph
precip
42%
NIGHT
62°F
W 4 mph
precip
8%
09.10
thu
DAY
68°F
SE 3 mph
precip
14%
NIGHT
60°F
NW 4 mph
precip
9%
09.11
fri
DAY
70°F
S 3 mph
precip
4%
NIGHT
64°F
N 0 mph
precip
9%
09.12
sat
DAY
70°F
SE 4 mph
precip
4%
NIGHT
66°F
E 2 mph
precip
14%
09.13
sun
DAY
74°F
S 3 mph
precip
14%
NIGHT
68°F
NE 5 mph
precip
27%
09.14
mon
DAY
76°F
NW 3 mph
precip
3%
NIGHT
70°F
NE 6 mph
precip
10%
09.15
tue
DAY
82°F
SW 5 mph
precip
2%
NIGHT
72°F
E 7 mph
precip
8%

Biarritz Sea Water Temperature in September, °F

Select Year: 2025 2024 2023

The average sea surface temperature in September 2025 for Biarritz was 21.5°F. The maximum and minimum values were 20.0°F and 22.7°F respectively.

Biarritz on the Weather Map

Best Time to Visit Biarritz
The most sunny months:
September 15 days
August 15 days
October 14 days
The most warm months:
August 77.7 °F
July 75.8 °F
September 74.1 °F
Warmest sea temperature:
August 75.8 °F
July 74.5 °F
September 72.6 °F
The most cold months:
January 50.9 °F
February 53.0 °F
December 54.5 °F
The most rainy months:
November 8 days
January 7 days
December 6 days
The most windy months:
January 9 mph
February 9 mph
December 9 mph
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