September weather forecastKierwik, Poland
September
Weather in September
September, the first month of the autumn in Kierwik, is still a refreshing month, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 9.6°C (49.3°F).Temperature
The arrival of September corresponds with a reduction in the average high-temperature, down from August's warm 23.7°C (74.7°F) to an enjoyable 18.2°C (64.8°F). Throughout September, an average low-temperature of 9.6°C (49.3°F) is expected in Kierwik.Humidity
In Kierwik, the average relative humidity in September is 76%.Rainfall
The months with the least rainfall are April and September Rain falls for 11.3 days and accumulates 23mm (0.91") of rain.Snowfall
In Kierwik, snow does not fall in June through September.Daylight
In September, the average length of the day in Kierwik is 12h and 41min.On the first day of the month, sunrise is at 05:44 and sunset at 19:24. On the last day of September, sunrise is at 06:35 and sunset at 18:13 CEST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September in Kierwik is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kierwik, Poland
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (23.7°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 9.6°C
The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Kierwik, Poland
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is October (1017.6mbar).
The month with the lowest atmospheric pressure is July (1013.1mbar).
Average wind speed in September
Kierwik, Poland
- Average wind speed in September: 11.5km/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 (10.1km/h).
Average humidity in September
Kierwik, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Kierwik, Poland
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is May (48mm).
The driest months (with the least rainfall) are April and September (23mm).
Average rainfall days in September
Kierwik, Poland
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Kierwik, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kierwik, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kierwik, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 2h and 36min).
Average sunshine days in September
Kierwik, Poland
- Average sunshine days in September: 17 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is January (8 days).
Average UV index in September
Kierwik, Poland
- Average UV index in September: 3
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, November and December (UV index 1).
Average cloud cover in September
Kierwik, Poland
- Average cloud cover in September: 44
The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Kierwik, 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).
