September weather forecastChełmsko Śląskie, Poland
September
Weather in September
September, the first month of the autumn in Chełmsko Śląskie, is also an enjoyable month, with temperature in the range of an average low of 9.9°C (49.8°F) and an average high of 18.3°C (64.9°F).Temperature
In Chełmsko Śląskie, the average high-temperature in September drops from a warm 23.5°C (74.3°F) in August to a refreshing 18.3°C (64.9°F). September's average low-temperature reading in Chełmsko Śląskie settles at a chilly 9.9°C (49.8°F).Humidity
In Chełmsko Śląskie, Poland, the average relative humidity in September is 75%.Rainfall
In Chełmsko Śląskie, Poland, in September, it is raining for 15.1 days, with typically 48mm (1.89") of accumulated precipitation. Throughout the year, there are 172.5 rainfall days, and 556mm (21.89") of precipitation is accumulated.Snowfall
In Chełmsko Śląskie, Poland, snow does not fall in June through September.Daylight
In September, the average length of the day in Chełmsko Śląskie is 12h and 37min.On the first day of the month, sunrise is at 06:10 and sunset at 19:40. On the last day of September, in Chełmsko Śląskie, Poland, sunrise is at 06:55 and sunset at 18:35 CEST.
Sunshine
In Chełmsko Śląskie, the average sunshine in September is 8.6h.UV index
In September, the average daily maximum UV index in Chełmsko Śląskie is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for the average person.Note: In September, an average UV index of 4 transforms into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chełmsko Śląskie, Poland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Chełmsko Śląskie, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Chełmsko Śląskie, Poland
- Average wind speed in September: 9.9km/h
The windiest month (with the highest average wind speed) is December (14km/h).
The calmest month (with the lowest average wind speed) is August (9km/h).
Average humidity in September
Chełmsko Śląskie, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (71%).
Average rainfall in September
Chełmsko Śląskie, Poland
- Average rainfall in September: 48mm
The wettest month (with the highest rainfall) is July (84mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Chełmsko Śląskie, Poland
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (22.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Chełmsko Śląskie, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (161mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chełmsko Śląskie, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chełmsko Śląskie, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- 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 48min).
Average sunshine days in September
Chełmsko Śląskie, Poland
- Average sunshine days in September: 12.2 days
The month with the most sunshine days is October (16 days).
The month with the least sunshine days is June (5.6 days).
Average UV index in September
Chełmsko Śląskie, 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
Chełmsko Śląskie, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Chełmsko Śląskie, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).





