September weather forecastGrudzyny, Poland
September
Weather in September
September, the first month of the autumn in Grudzyny, 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 18.8°C (65.8°F).Temperature
Onset of September comes with a temperature decline, the average high falling from a warm 24.3°C (75.7°F) in August to a comfortable 18.8°C (65.8°F). During September, Grudzyny sees a mean low-temperature of 10.1°C (50.2°F).Humidity
The average relative humidity in September is 75%.Rainfall
In September, in Grudzyny, the rain falls for 13.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated. In Grudzyny, during the entire year, the rain falls for 158.9 days and collects up to 516mm (20.31") of precipitation.Snowfall
In Grudzyny, snow does not fall in May through September.Daylight
In Grudzyny, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 05:53 and sunset at 19:23. On the last day of the month, sunrise is at 06:37 and sunset at 18:18 CEST.
Sunshine
In Grudzyny, the average sunshine in September is 8h.UV index
In Grudzyny, Poland, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Grudzyny, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (24.3°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 (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Grudzyny, 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 (1014.2mbar).
Average wind speed in September
Grudzyny, Poland
- Average wind speed in September: 11.5km/h
The windiest month (with the highest average wind speed) is December (15.2km/h).
The calmest month (with the lowest average wind speed) is August (10.1km/h).
Average humidity in September
Grudzyny, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (70%).
Average rainfall in September
Grudzyny, Poland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Grudzyny, Poland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Grudzyny, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (162mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Grudzyny, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Grudzyny, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 0min
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 54min).
Average sunshine days in September
Grudzyny, Poland
- Average sunshine days in September: 13.6 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in September
Grudzyny, 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 November and December (UV index 1).
Average cloud cover in September
Grudzyny, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Grudzyny, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
