September weather forecastSulęczyno, Poland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Sulęczyno, Poland, with an average temperature ranging between max 17.7°C (63.9°F) and min 11°C (51.8°F).Temperature
The decrease of average high-temperatures is mild in September, with a decline from an agreeable 22.8°C (73°F) in August to a refreshing 17.7°C (63.9°F). September's nights in Sulęczyno observe an average temperature of 11°C (51.8°F).Humidity
In Sulęczyno, the average relative humidity in September is 77%.Rainfall
In Sulęczyno, Poland, in September, during 12.3 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Sulęczyno, during the entire year, the rain falls for 147.7 days and collects up to 398mm (15.67") of precipitation.Snowfall
In Sulęczyno, snow does not fall in June through September.Daylight
In September, the average length of the day in Sulęczyno, Poland, is 12h and 42min.On the first day of the month, sunrise is at 05:57 and sunset at 19:39. On the last day of September, in Sulęczyno, sunrise is at 06:50 and sunset at 18:27 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sulęczyno, Poland
- Average high temperature in September: 17.7°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Sulęczyno, Poland
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is October (1016.4mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Sulęczyno, Poland
- Average wind speed in September: 14km/h
The windiest month (with the highest average wind speed) is December (17.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).
Average humidity in September
Sulęczyno, Poland
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Sulęczyno, Poland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (48mm).
The driest month (with the least rainfall) is April (14mm).
Average rainfall days in September
Sulęczyno, Poland
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (16.2 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Sulęczyno, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (93mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sulęczyno, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sulęczyno, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 24min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 42min).
Average sunshine days in September
Sulęczyno, Poland
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is February (9.4 days).
Average UV index in September
Sulęczyno, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Sulęczyno, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Sulęczyno, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January and February (8km).
