September weather forecastDwerniczek, Poland
September
Weather in September
September, the first month of the autumn in Dwerniczek, is still a comfortable month, with temperature in the range of an average low of 7.5°C (45.5°F) and an average high of 17.6°C (63.7°F).Temperature
Dwerniczek in September demonstrates a small temperature transition, adjusting from an average high of a warm 23°C (73.4°F) in August to a refreshing 17.6°C (63.7°F). In the month of September, Dwerniczek records a consistent average low-temperature of 7.5°C (45.5°F).Humidity
In Dwerniczek, Poland, the average relative humidity in September is 78%.Rainfall
The months with the least rainfall are September and November Rain falls for 15.4 days and accumulates 42mm (1.65") of rain.Snowfall
In Dwerniczek, snow does not fall in June through September.Daylight
In Dwerniczek, the average length of the day in September is 12h and 36min.On the first day of the month, sunrise is at 05:45 and sunset at 19:12. On the last day of September, sunrise is at 06:28 and sunset at 18:09 CEST.
Sunshine
In Dwerniczek, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Stay sun-safe with clothing that is both closely woven and worn loosely. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Dwerniczek, Poland
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (23°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in September: 7.5°C
The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is January (-6.8°C).
Average pressure in September
Dwerniczek, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is December (1019.5mbar).
The month with the lowest atmospheric pressure is June (1014.2mbar).
Average wind speed in September
Dwerniczek, Poland
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is December (12.1km/h).
The calmest month (with the lowest average wind speed) is August (7.7km/h).
Average humidity in September
Dwerniczek, Poland
- Average humidity in September: 78%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is August (75%).
Average rainfall in September
Dwerniczek, Poland
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is July (116mm).
The driest months (with the least rainfall) are September and November (42mm).
Average rainfall days in September
Dwerniczek, Poland
- Average rainfall days in September: 15.4 days
The month with the highest number of rainy days is May (24.6 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Dwerniczek, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (401mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Dwerniczek, Poland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (21.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Dwerniczek, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 3h and 12min).
Average sunshine days in September
Dwerniczek, Poland
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is October (13.7 days).
The month with the least sunshine days is June (4 days).
Average UV index in September
Dwerniczek, 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
Dwerniczek, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Dwerniczek, Poland
- Average visibility in September: 9km
The months with the highest visibility are August and September (9km).
The months with the lowest visibility are January and February (6km).





