September weather forecastChlastawa, Poland
September
Weather in September
September, the first month of the autumn in Chlastawa, is also an enjoyable month, with an average temperature ranging between max 19.7°C (67.5°F) and min 11.6°C (52.9°F).Temperature
As September arrives, Chlastawa's weather displays a decrease in high-temperatures, transitioning from August's warm 25.3°C (77.5°F) to an enjoyable 19.7°C (67.5°F). In Chlastawa, an average nighttime temperature of 11.6°C (52.9°F) is expected during September.Humidity
In Chlastawa, the average relative humidity in September is 72%.Rainfall
In Chlastawa, during September, the rain falls for 12.9 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 156.9 rainfall days, and 431mm (16.97") of precipitation is accumulated.Snowfall
In Chlastawa, Poland, snow does not fall in June through September.Daylight
In Chlastawa, Poland, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:08 and sunset at 19:44. On the last day of September, in Chlastawa, sunrise is at 06:56 and sunset at 18:36 CEST.
Sunshine
The average sunshine in September in Chlastawa is 8.6h.UV index
In Chlastawa, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Adopt protective measures - It is advised to guard against sun damage. When the Sun is at its strongest around midday, find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chlastawa, Poland
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is August (25.3°C).
The month with the lowest average high temperature is January (1.6°C).
- Average low temperature in September: 11.6°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-2°C).
Average pressure in September
Chlastawa, Poland
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is October (1017.7mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Chlastawa, Poland
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.4km/h).
Average humidity in September
Chlastawa, Poland
- Average humidity in September: 72%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Chlastawa, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (70mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Chlastawa, Poland
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is July (17.9 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Chlastawa, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (111mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chlastawa, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chlastawa, 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 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in September
Chlastawa, Poland
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is October (16.4 days).
The month with the least sunshine days is June (10.5 days).
Average UV index in September
Chlastawa, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Chlastawa, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Chlastawa, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).





