September weather forecastKwietno, Poland
September
Weather in September
September, the first month of the autumn in Kwietno, is still a refreshing month, with temperature in the range of an average high of 19.5°C (67.1°F) and an average low of 11.2°C (52.2°F).Temperature
Transition from August to September is accompanied by a temperature drop, with average high-temperatures decreasing from a warm 24.8°C (76.6°F) to an enjoyable 19.5°C (67.1°F). In September, Kwietno experiences a temperature dip to an average of 11.2°C (52.2°F) at night.Humidity
The average relative humidity in September is 72%.Rainfall
In September, the rain falls for 12 days. Throughout September, 30mm (1.18") of precipitation is accumulated. In Kwietno, Poland, during the entire year, the rain falls for 150.5 days and collects up to 383mm (15.08") of precipitation.Snowfall
In Kwietno, snow does not fall in June through September.Daylight
In Kwietno, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:08 and sunset at 19:39. On the last day of the month, sunrise is at 06:53 and sunset at 18:34 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: In September, the maximum UV index of 4 suggests these recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Kwietno, Poland
- Average high temperature in September: 19.5°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 11.2°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-2.5°C).
Average pressure in September
Kwietno, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in September
Kwietno, Poland
- Average wind speed in September: 10.7km/h
The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Kwietno, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Kwietno, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (53mm).
The driest month (with the least rainfall) is November (19mm).
Average rainfall days in September
Kwietno, Poland
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Kwietno, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (97mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Kwietno, 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
Kwietno, 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 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Kwietno, Poland
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is June (10.2 days).
Average UV index in September
Kwietno, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Kwietno, Poland
- Average cloud cover in September: 37
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Kwietno, Poland
- Average visibility in September: 9km
The months with the highest visibility are July and August (10km).
The months with the lowest visibility are January, February and December (8km).





