September weather forecastSierakówek, Poland
September
Weather in September
September, the first month of the autumn in Sierakówek, is still a comfortable month, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 10.7°C (51.3°F).Temperature
In the transition to September, Sierakówek observes a drop in the average high-temperature, moving from a moderately hot 24.7°C (76.5°F) in August to a refreshing 19.2°C (66.6°F). Nighttime temperatures in September average to a cool 10.7°C (51.3°F).Humidity
The average relative humidity in September in Sierakówek, Poland, is 72%.Rainfall
In September, in Sierakówek, the rain falls for 11.3 days. Throughout September, 25mm (0.98") of precipitation is accumulated. In Sierakówek, during the entire year, the rain falls for 147.5 days and collects up to 381mm (15") of precipitation.Snowfall
In Sierakówek, snow does not fall in June through September.Daylight
In Sierakówek, the average length of the day in September is 12h and 40min.On the first day of September in Sierakówek, Poland, sunrise is at 05:54 and sunset at 19:29. On the last day of the month, sunrise is at 06:42 and sunset at 18:21 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. It's recommended to limit sun exposure when its radiation is at its peak during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sierakówek, Poland
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is August (24.7°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 10.7°C
The month with the highest average low temperature is August (15°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Sierakówek, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.7mbar).
Average wind speed in September
Sierakówek, Poland
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (15.7km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Sierakówek, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Sierakówek, Poland
- Average rainfall in September: 25mm
The wettest months (with the highest rainfall) are May and June (50mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Sierakówek, Poland
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is January (7.7 days).
Average snowfall in September
Sierakówek, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (83mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sierakówek, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sierakówek, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Sierakówek, Poland
- Average sunshine days in September: 16.7 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is July (10.2 days).
Average UV index in September
Sierakówek, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Sierakówek, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Sierakówek, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The months with the lowest visibility are January, February, November and December (8km).
