World Resorts France Saint Malo Weather

Saint Malo 7 Days Forecast

15.09
tue
Day
64°F
E 13 mph
Precip.
23%
Night
63°F
SE 20 mph
Precip.
16%
16.09
wed
Day
63°F
SE 16 mph
Precip.
18%
Night
61°F
SE 16 mph
Precip.
21%
17.09
thu
Day
63°F
NE 18 mph
Precip.
20%
Night
63°F
SE 19 mph
Precip.
15%
18.09
fri
Day
63°F
SE 12 mph
Precip.
13%
Night
63°F
E 11 mph
Precip.
6%
19.09
sat
Day
64°F
E 12 mph
Precip.
16%
Night
64°F
SE 10 mph
Precip.
11%
20.09
sun
Day
66°F
SE 6 mph
Precip.
10%
Night
64°F
SW 9 mph
Precip.
15%
21.09
mon
Day
64°F
SW 9 mph
Precip.
11%
Night
64°F
SW 14 mph
Precip.
12%

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 65.2°F. The highest and lowest sea temperatures during the month were 67.5°F and 62.8°F.

Air temperature in Saint Malo, °F

Precipitation total in Saint Malo, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Saint Malo

Sunniest months:
July 14 days
August 12 days
June 11 days
Warmest months:
August 69.5 °F
July 69.1 °F
September 66.4 °F
Warmest sea temp:
August 66.2 °F
September 65.0 °F
July 64.6 °F
Coldest months:
January 47.5 °F
February 48.2 °F
December 50.2 °F
Rainiest months:
November 6 days
December 6 days
January 5 days
Windiest months:
December 15.5 mph
February 14.9 mph
January 14.8 mph

Saint Malo on a weather map

Saint Malo
+66°F
W 1 mph
Feels like: +66°F
Precip.: 10%
Places in France:
Name
°F
+73°F
+68°F
+64°F
+73°F
+72°F
+73°F
+75°F
+75°F
+72°F
+72°F
+77°F
+75°F
+75°F
+73°F
+66°F
24 Hours Forecast
Saint Malo
Local time: 04:14
September 15, tuesday
0600
66°F
NE
4 mph
0900
66°F
E
9 mph
1200
64°F
E
13 mph
1500
64°F
SE
18 mph
1800
64°F
SE
20 mph
2100
63°F
SE
19 mph
September 16, wednesday
0000
63°F
SE
20 mph
0300
63°F
SE
19 mph
Units of measurement: °C / °F