Poland — weather in September, water temperature

City	Day	Night	Cloud	Rains	Precipitation	Sea	Sun
Bielsko Biala	18.7 °C	10.8 °C	9 days	5 days	85.6 mm	0 °C	7.5 h.
Bydgoszcz	18.9 °C	12 °C	11 days	3 days	37.3 mm	0 °C	7.5 h.
Czestochowa	18.9 °C	12.3 °C	10 days	4 days	55.7 mm	0 °C	7.6 h.
Gdansk	17.4 °C	12.2 °C	11 days	3 days	46.1 mm	17.1 °C	7.3 h.
Gdynia	17.3 °C	13.3 °C	12 days	3 days	41.6 mm	17.2 °C	7.4 h.
Gliwice	19.6 °C	12.8 °C	10 days	4 days	62.8 mm	0 °C	7.6 h.
High Tatras	15.3 °C	8.5 °C	9 days	7 days	106.8 mm	0 °C	7.4 h.
Karpacz	14.5 °C	9.9 °C	10 days	6 days	95.9 mm	0 °C	6.8 h.
Katowice	19.4 °C	12.7 °C	9 days	4 days	65.3 mm	0 °C	7.6 h.
Kielce	18.7 °C	11.5 °C	10 days	4 days	56.3 mm	0 °C	7.5 h.
Krakow	19.6 °C	11.3 °C	9 days	3 days	56.1 mm	0 °C	7.7 h.
Krynica Zdroj	18.2 °C	10.7 °C	8 days	4 days	69.2 mm	0 °C	7.7 h.
Leba	17.1 °C	13.8 °C	11 days	4 days	45.8 mm	16.8 °C	7.4 h.
Lodz	18.9 °C	12.4 °C	9 days	3 days	52.9 mm	0 °C	7.5 h.
Lublin	18.8 °C	11.7 °C	9 days	4 days	55.3 mm	0 °C	7.4 h.
Miedzyzdroje	17.4 °C	14.2 °C	11 days	4 days	44.7 mm	17 °C	7.5 h.
Poznan	19.4 °C	12.5 °C	11 days	3 days	34 mm	0 °C	7.5 h.
Przemysl	19.2 °C	11.2 °C	9 days	4 days	52.6 mm	0 °C	7.8 h.
Rzeszow	19.3 °C	11.3 °C	8 days	4 days	60.7 mm	0 °C	7.5 h.
Sopot	17.4 °C	12.8 °C	11 days	3 days	41.5 mm	17.1 °C	7.4 h.
Szczecin	18.9 °C	12.1 °C	11 days	2 days	35.2 mm	16.9 °C	7.4 h.
Szczyrk	18.7 °C	10.8 °C	9 days	5 days	85.9 mm	0 °C	7.5 h.
Torun	19 °C	12 °C	9 days	3 days	36.1 mm	0 °C	7.4 h.
Ustka	17.6 °C	13.5 °C	11 days	4 days	49.5 mm	16.8 °C	7.4 h.
Vladyslawowo	17.4 °C	12.1 °C	11 days	4 days	47.1 mm	17 °C	7.2 h.
Wadowice	19.5 °C	12.2 °C	9 days	3 days	60.5 mm	0 °C	7.7 h.
Walbrzych	17.7 °C	10.8 °C	10 days	4 days	66.4 mm	0 °C	7.3 h.
Warsaw	19.6 °C	12.8 °C	9 days	3 days	39.1 mm	0 °C	7.6 h.
Wieliczka	19.6 °C	11.3 °C	9 days	3 days	57.8 mm	0 °C	7.7 h.
Wisla	18.3 °C	11.2 °C	9 days	4 days	65.7 mm	0 °C	7.6 h.
Wroclaw	20.1 °C	12.8 °C	10 days	3 days	48.7 mm	0 °C	7.5 h.
Zakopane	15.3 °C	7.4 °C	9 days	7 days	120 mm	0 °C	7 h.