Switzerland — weather in September, water temperature

City	Day	Night	Cloud	Rains	Precipitation	Sea	Sun
Arosa	13.2 °C	4.2 °C	10 days	4 days	72.8 mm	0 °C	8.1 h.
Bad Ragaz	14.9 °C	5.9 °C	9 days	5 days	79.4 mm	0 °C	8.4 h.
Basle	20.5 °C	11.2 °C	9 days	3 days	44.7 mm	0 °C	8.4 h.
Berne	19.4 °C	8.6 °C	8 days	4 days	49.3 mm	0 °C	8.4 h.
Davos	12.2 °C	3.4 °C	10 days	7 days	97 mm	0 °C	7.6 h.
Flims	15.8 °C	3.9 °C	11 days	6 days	87 mm	0 °C	8 h.
Geneva	20.3 °C	8.7 °C	9 days	6 days	71.4 mm	17.5 °C	8.5 h.
Grindelwald	13.2 °C	2.4 °C	11 days	8 days	112.4 mm	0 °C	7.3 h.
Gstaad	16 °C	4.8 °C	9 days	5 days	75.6 mm	18.4 °C	7.9 h.
Interlaken	13.8 °C	5.9 °C	10 days	7 days	97.3 mm	0 °C	8 h.
Lake Geneva	19.4 °C	10.3 °C	9 days	4 days	57 mm	18.3 °C	8.9 h.
Lausanne	19.3 °C	11.1 °C	8 days	4 days	53 mm	18.3 °C	9.1 h.
Leukerbad	14.1 °C	3.4 °C	10 days	5 days	69.3 mm	0 °C	8.3 h.
Locarno	17.9 °C	8.8 °C	7 days	4 days	82.6 mm	0 °C	9 h.
Lucerne	19.4 °C	9.1 °C	8 days	5 days	68.4 mm	0 °C	8.5 h.
Lugano	21.3 °C	8.8 °C	7 days	4 days	64.9 mm	0 °C	8.9 h.
Meiringen	13 °C	5.4 °C	11 days	7 days	114.9 mm	0 °C	7.8 h.
Montreux	16.6 °C	7.7 °C	8 days	6 days	76.4 mm	18.4 °C	8.4 h.
Schaffhausen	19.5 °C	9.3 °C	9 days	4 days	58.4 mm	0 °C	8 h.
Spitz	16.7 °C	8 °C	9 days	5 days	59.1 mm	0 °C	8.6 h.
St Gallen	18.8 °C	10.3 °C	9 days	7 days	89.1 mm	17.9 °C	8 h.
St Moritz	11 °C	0.8 °C	10 days	7 days	117.6 mm	0 °C	6.3 h.
Tun	16.8 °C	8.1 °C	9 days	5 days	58.7 mm	0 °C	8.6 h.
Verbier	14 °C	3.3 °C	10 days	5 days	69.5 mm	18.4 °C	8.4 h.
Vevey	16.7 °C	7.8 °C	8 days	6 days	75.6 mm	18.4 °C	8.5 h.
Wengen	13.4 °C	2.7 °C	11 days	7 days	105.7 mm	0 °C	7.5 h.
Winterthur	19.8 °C	9.5 °C	10 days	5 days	66 mm	18.1 °C	7.7 h.
Zermatt	8.2 °C	1.1 °C	11 days	7 days	136.1 mm	0 °C	6.7 h.
Zurich	20 °C	9.9 °C	10 days	4 days	50.4 mm	18.1 °C	8.1 h.