September weather forecastSławki, Poland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Sławki, Poland, with temperature in the range of an average low of 11.4°C (52.5°F) and an average high of 17.8°C (64°F).Temperature
Sławki, Poland, in September experiences a gentle temperature dip, with average high-temperatures reducing from a pleasant 22.5°C (72.5°F) in August to a refreshing 17.8°C (64°F). An average low-temperature of 11.4°C (52.5°F) is recorded during the nights in September.Humidity
The average relative humidity in September in Sławki is 75%.Rainfall
In Sławki, in September, during 15.7 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Sławki, during the entire year, the rain falls for 172.5 days and collects up to 497mm (19.57") of precipitation.Snowfall
June through September are months without snowfall in Sławki, Poland.Daylight
In September, the average length of the day is 12h and 42min.On the first day of the month, sunrise is at 05:56 and sunset at 19:38. On the last day of September, in Sławki, sunrise is at 06:48 and sunset at 18:25 CEST.
Sunshine
In Sławki, the average sunshine in September is 8h.UV index
In Sławki, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 4 during September translates into the following recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sławki, Poland
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (22.5°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 11.4°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.4°C).
Average pressure in September
Sławki, Poland
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is October (1016.6mbar).
The months with the lowest atmospheric pressure are July and December (1013.2mbar).
Average wind speed in September
Sławki, Poland
- Average wind speed in September: 13.8km/h
The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (12.1km/h).
Average humidity in September
Sławki, Poland
- Average humidity in September: 75%
The months with the highest relative humidity are January, February and December (87%).
The month with the lowest relative humidity is April (71%).
Average rainfall in September
Sławki, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Sławki, Poland
- Average rainfall days in September: 15.7 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.9 days).
Average snowfall in September
Sławki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (128mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sławki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sławki, 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: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in September
Sławki, Poland
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is April (15 days).
The month with the least sunshine days is December (7.5 days).
Average UV index in September
Sławki, Poland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Sławki, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Sławki, Poland
- Average visibility in September: 10km
The months with the highest visibility are June, August and September (10km).
The months with the lowest visibility are January and February (8km).
