World Resorts Switzerland Montreux Weather

Montreux Sea Temperature in September

Average sea water temperature in September:
+66.1°F
Minimum sea water temperature in September: 75.2°F
Maximum sea water temperature in September: 32.0°F

Daily sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 68.5°F. The highest and lowest sea temperatures during the month were 71.8°F and 65.3°F.

Monthly sea water temperature in Montreux, °F

Which Switzerland resorts have warmest sea in September?

Place name September 2025 September 2024
Montreux 68.5°F 68.9°F
Gstaad 68.5°F 68.9°F
Verbier 68.5°F 68.9°F
Vevey 68.4°F 68.9°F
Lausanne 68.1°F 68.7°F
Lake Geneva 68.0°F 68.4°F
Zurich 67.6°F 68.7°F
Winterthur 67.6°F 68.7°F
Geneva 66.9°F 67.2°F
St Gallen 66.8°F 67.8°F

Best time for vacation in Montreux

Sunniest months:
August 18 days
October 16 days
September 15 days
Warmest months:
August 69.5 °F
July 69.1 °F
June 66.1 °F
Warmest sea temp:
August 70.0 °F
July 69.1 °F
September 66.1 °F
Coldest months:
January 33.9 °F
December 36.2 °F
February 36.8 °F
Rainiest months:
May 10 days
June 10 days
July 9 days
Windiest months:
January 5.0 mph
March 4.7 mph
February 4.6 mph

Montreux on a weather map

Current weather
21:06
Montreux
+21°F
W 4 mph
Feels like: +16°F
Precip.: 0%
Places in Switzerland:
Name
°F
Basle
+25°F
Berne
+25°F
Vevey
+21°F
Verbier
+14°F
Winterthur
+25°F
Gstaad
+10°F
Geneva
+30°F
Lake Geneva
+30°F
Lausanne
+30°F
Lugano
+27°F
Lucerne
+28°F
Montreux
+21°F
St Gallen
+25°F
Zermatt
+12°F
Zurich
+27°F
all places
24 Hours Forecast
Montreux
Local time: 21:06
December 31, wednesday
0000
21°F
W
4 mph
0300
19°F
W
4 mph
0600
19°F
W
3 mph
0900
19°F
W
3 mph
1200
28°F
S
2 mph
1500
28°F
S
4 mph
1800
21°F
NW
2 mph
2100
21°F
NW
3 mph
Units of measurement: °C / °F