September weather forecastChełmonie, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Chełmonie, Poland, with an average temperature fluctuating between 19.4°C (66.9°F) and 11°C (51.8°F).Temperature
In Chełmonie, the average high-temperature in September drops from a warm 24.5°C (76.1°F) in August to a refreshing 19.4°C (66.9°F). Chełmonie records an average nighttime low-temperature of 11°C (51.8°F) throughout September.Humidity
In September, the average relative humidity in Chełmonie is 72%.Rainfall
In Chełmonie, during September, the rain falls for 8.2 days and regularly aggregates up to 21mm (0.83") of precipitation. In Chełmonie, Poland, during the entire year, the rain falls for 126.1 days and collects up to 320mm (12.6") of precipitation.Snowfall
In Chełmonie, snow does not fall in June through September.Daylight
In September, the average length of the day in Chełmonie, Poland, is 12h and 41min.On the first day of September, sunrise is at 05:55 and sunset at 19:33. On the last day of the month, sunrise is at 06:44 and sunset at 18:23 CEST.
Sunshine
The average sunshine in September is 8.1h.UV index
The average daily maximum UV index in September in Chełmonie is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chełmonie, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (24.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 11°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 (-3.3°C).
Average pressure in September
Chełmonie, Poland
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is October (1017.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Chełmonie, Poland
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in September
Chełmonie, 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
Chełmonie, Poland
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is May (47mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Chełmonie, Poland
- Average rainfall days in September: 8.2 days
The months with the highest number of rainy days are May and July (14.8 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Chełmonie, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chełmonie, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chełmonie, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Chełmonie, Poland
- Average sunshine days in September: 20.5 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Chełmonie, 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, November and December (UV index 1).
Average cloud cover in September
Chełmonie, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Chełmonie, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February, November and December (8km).
