September weather forecastGierczyn, Poland
September
Weather in September
September, the first month of the autumn in Gierczyn, is still a comfortable month, with an average temperature fluctuating between 17.8°C (64°F) and 9.7°C (49.5°F).Temperature
The beginning of September involves a decrease in the average high-temperature, transitioning from an agreeable 22.9°C (73.2°F) in August to a comfortable 17.8°C (64°F). An average low-temperature of 9.7°C (49.5°F) is recorded in the month of September.Humidity
The average relative humidity in September in Gierczyn, Poland, is 76%.Rainfall
In Gierczyn, during September, the rain falls for 13.5 days and regularly aggregates up to 38mm (1.5") of precipitation. In Gierczyn, during the entire year, the rain falls for 162 days and collects up to 569mm (22.4") of precipitation.Snowfall
June through September are months without snowfall in Gierczyn.Daylight
The average length of the day in September in Gierczyn is 12h and 38min.On the first day of the month, sunrise is at 06:12 and sunset at 19:43. On the last day of September, in Gierczyn, sunrise is at 06:58 and sunset at 18:38 CEST.
Sunshine
In Gierczyn, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Gierczyn is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily high UV index of 4 in September leads to these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gierczyn, Poland
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Gierczyn, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Gierczyn, Poland
- Average wind speed in September: 9.8km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (8.9km/h).
Average humidity in September
Gierczyn, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (72%).
Average rainfall in September
Gierczyn, Poland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (73mm).
The driest months (with the least rainfall) are April and November (28mm).
Average rainfall days in September
Gierczyn, Poland
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Gierczyn, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (210mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gierczyn, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gierczyn, 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: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Gierczyn, Poland
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is October (17.3 days).
The months with the least sunshine days are May and June (9.3 days).
Average UV index in September
Gierczyn, 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 November and December (UV index 1).
Average cloud cover in September
Gierczyn, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Gierczyn, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
