Measurements:
°C
°F
CURRENT WEATHER
05:15
Biarritz
72°F
NW 7 mph
Feels like: 72°F
Precip: 16%
World Resorts France Biarritz Weather

7 Day Weather Forecast

09.29
tue
DAY
82°F
N 9 mph
precip
11%
NIGHT
82°F
N 8 mph
precip
12%
09.30
wed
DAY
72°F
S 5 mph
precip
23%
NIGHT
64°F
S 11 mph
precip
66%
10.01
thu
DAY
66°F
W 5 mph
precip
26%
NIGHT
64°F
W 4 mph
precip
23%
10.02
fri
DAY
68°F
W 5 mph
precip
54%
NIGHT
66°F
NE 4 mph
precip
37%
10.03
sat
DAY
70°F
E 7 mph
precip
23%
NIGHT
66°F
NE 5 mph
precip
40%
10.04
sun
DAY
70°F
SW 6 mph
precip
12%
NIGHT
64°F
NE 6 mph
precip
34%
10.05
mon
DAY
64°F
SE 11 mph
precip
64%
NIGHT
56°F
N 4 mph
precip
65%

Biarritz Sea Water Temperature in September, °F

Select Year: 2026 2025 2024

The average sea surface temperature in September 2026 for Biarritz was 22.4°F. The maximum and minimum values were 21.8°F and 23.6°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 74.2 °F
Warmest sea temperature:
August 75.8 °F
July 74.5 °F
September 72.7 °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
more details