Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The onset of September results in a decrease in the average high-temperature, receding from a moderately hot 25.1°C (77.2°F) in August to an enjoyable 19.4°C (66.9°F). In September, the average low-temperature is a cool 10.6°C (51.1°F).Humidity
In Chełmek, the average relative humidity in September is 73%.Rainfall
In Chełmek, Poland, in September, it is raining for 12.4 days, with typically 41mm (1.61") of accumulated precipitation. In Chełmek, during the entire year, the rain falls for 158.1 days and collects up to 492mm (19.37") of precipitation.Snowfall
In Chełmek, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 37min.On the first day of the month, sunrise is at 05:58 and sunset at 19:27. On the last day of September, in Chełmek, sunrise is at 06:42 and sunset at 18:23 CEST.
Sunshine
In Chełmek, the average sunshine in September is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Direct Sun exposure should be minimized especially during midday when radiation is most intense. 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
What are the temperatures in Chełmek in September?
What is the average humidity in September in Chełmek?
How much does it rain in Chełmek in September?
When it does not snow in Chełmek?
Does it snow in Chełmek in September?
What is the average length of the day in September in Chełmek?
When is the sunrise / sunset in September in Chełmek?
How long on average sun shines in September in Chełmek?
What is the UV index reading in September in Chełmek?
Average temperature in September
Chełmek, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25.1°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (14.5°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Chełmek, Poland
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.8mbar).
The month with the lowest atmospheric pressure is July (1014.5mbar).
Average wind speed in September
Chełmek, Poland
- Average wind speed in September: 10km/h
The windiest month (with the highest average wind speed) is December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in September
Chełmek, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Chełmek, Poland
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Chełmek, Poland
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is June (18.8 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Chełmek, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (160mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chełmek, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chełmek, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Chełmek, Poland
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is August (17.9 days).
The month with the least sunshine days is June (8.3 days).
Average UV index in September
Chełmek, 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 December (UV index 1).
Average cloud cover in September
Chełmek, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Chełmek, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January, February and December (8km).
