September weather forecastWierbka, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Wierbka, Poland, with an average temperature ranging between min 10.4°C (50.7°F) and max 18.5°C (65.3°F).Temperature
A moderate decline in the average high-temperature is seen during September, decreasing from a warm 23.9°C (75°F) in August to a refreshing 18.5°C (65.3°F). Wierbka records a mean low-temperature of 10.4°C (50.7°F) in September.Humidity
The average relative humidity in September in Wierbka is 74%.Rainfall
In Wierbka, in September, during 12.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, in Wierbka, there are 138.8 rainfall days, and 438mm (17.24") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Wierbka, Poland, is 12h and 37min.On the first day of the month, sunrise is at 05:56 and sunset at 19:25. On the last day of September, sunrise is at 06:40 and sunset at 18:21 CEST.
Sunshine
The average sunshine in September is 7.9h.UV index
The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: In September, the maximum UV index of 3 transforms into these recommendations:
Put precautions into practice - Protective measures against sun-induced damage are advised. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Wierbka, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-0.7°C).
- Average low temperature in September: 10.4°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is January (-4.1°C).
Average pressure in September
Wierbka, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.4mbar).
Average wind speed in September
Wierbka, Poland
- Average wind speed in September: 12.1km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is August (10.8km/h).
Average humidity in September
Wierbka, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Wierbka, Poland
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is July (71mm).
The driest month (with the least rainfall) is November (18mm).
Average rainfall days in September
Wierbka, Poland
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is June (18.6 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Wierbka, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Wierbka, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Wierbka, 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: 7h and 54min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 36min).
Average sunshine days in September
Wierbka, Poland
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in September
Wierbka, 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
Wierbka, Poland
- Average cloud cover in September: 43
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Wierbka, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).





