September weather forecastŚwiętomarz, Poland
September
Weather in September
September, the first month of the autumn in Świętomarz, is still a refreshing month, with temperature in the range of an average low of 10.1°C (50.2°F) and an average high of 19°C (66.2°F).Temperature
Świętomarz in September experiences a subtle temperature decline, with average high-temperatures reducing from a warm 24.5°C (76.1°F) in August to an enjoyable 19°C (66.2°F). Throughout September, Świętomarz witnesses a nighttime temperature average of 10.1°C (50.2°F).Humidity
The average relative humidity in September is 74%.Rainfall
In Świętomarz, in September, during 11 rainfall days, 31mm (1.22") of precipitation is typically accumulated. In Świętomarz, during the entire year, the rain falls for 151.2 days and collects up to 483mm (19.02") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 05:50 and sunset at 19:21. On the last day of September, sunrise is at 06:35 and sunset at 18:15 CEST.
Sunshine
In September, the average sunshine is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September leads to these instructions:
Make use of precautions - Suggestions to resist sunburn are communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Świętomarz, Poland
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.1°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Świętomarz, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014mbar).
Average wind speed in September
Świętomarz, Poland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Świętomarz, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Świętomarz, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (71mm).
The driest month (with the least rainfall) is November (28mm).
Average rainfall days in September
Świętomarz, Poland
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Świętomarz, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Świętomarz, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Świętomarz, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 2h and 42min).
Average sunshine days in September
Świętomarz, Poland
- Average sunshine days in September: 17 days
The month with the most sunshine days is August (18.2 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in September
Świętomarz, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Świętomarz, Poland
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Świętomarz, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
