September weather forecastChełmsko, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Chełmsko, Poland, with an average temperature varying between 11.3°C (52.3°F) and 19.3°C (66.7°F).Temperature
Onset of September comes with a temperature decline, the average high falling from a warm 24.5°C (76.1°F) in August to a refreshing 19.3°C (66.7°F). Throughout the month of September, Chełmsko sees a steady low-temperature average of 11.3°C (52.3°F).Humidity
The average relative humidity in September is 73%.Rainfall
In September, the rain falls for 10.4 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Chełmsko, Poland, during the entire year, the rain falls for 140.9 days and collects up to 327mm (12.87") of precipitation.Snowfall
In Chełmsko, snow does not fall in May through October.Daylight
In Chełmsko, the average length of the day in September is 12h and 40min.On the first day of September in Chełmsko, Poland, sunrise is at 06:09 and sunset at 19:45. On the last day of the month, sunrise is at 06:58 and sunset at 18:37 CEST.
Sunshine
In September, the average sunshine in Chełmsko is 8.8h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Prioritize safety - Suggestions to prevent sun damage are offered. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chełmsko, Poland
- Average high temperature in September: 19.3°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 (1.5°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.9°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Chełmsko, Poland
- Average pressure in September: 1017mbar
The month with the highest atmospheric pressure is October (1017.2mbar).
The months with the lowest atmospheric pressure are July and November (1014.1mbar).
Average wind speed in September
Chełmsko, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (14.5km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Chełmsko, Poland
- Average humidity in September: 73%
The months with the highest relative humidity are January and December (89%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Chełmsko, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Chełmsko, Poland
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is July (15.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in September
Chełmsko, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (34mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Chełmsko, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chełmsko, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 8h and 48min
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
Chełmsko, Poland
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (13.3 days).
Average UV index in September
Chełmsko, 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 November (UV index 1).
Average cloud cover in September
Chełmsko, 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 34).
Average visibility in September
Chełmsko, Poland
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The month with the lowest visibility is January (7km).
