September weather forecastChełmiec, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Chełmiec, Poland, with an average temperature varying between 8.5°C (47.3°F) and 18°C (64.4°F).Temperature
With the onset of September, Chełmiec's average high-temperature adjusts, receding from August's moderately hot 23.4°C (74.1°F) to a refreshing 18°C (64.4°F). The mean low-temperature during September nights is a chilly 8.5°C (47.3°F).Humidity
In Chełmiec, Poland, the average relative humidity in September is 78%.Rainfall
In September, in Chełmiec, the rain falls for 13.6 days. Throughout September, 40mm (1.57") of precipitation is accumulated. In Chełmiec, Poland, during the entire year, the rain falls for 168.5 days and collects up to 575mm (22.64") of precipitation.Snowfall
June through September are months without snowfall in Chełmiec, Poland.Daylight
In Chełmiec, the average length of the day in September is 12h and 37min.On the first day of September, sunrise is at 05:53 and sunset at 19:20. On the last day of the month, sunrise is at 06:36 and sunset at 18:17 CEST.
Sunshine
In Chełmiec, Poland, the average sunshine in September is 8.3h.UV index
In Chełmiec, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. 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
Chełmiec, Poland
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is January (-5.5°C).
Average pressure in September
Chełmiec, Poland
- Average pressure in September: 1017.7mbar
The months with the highest atmospheric pressure are October and December (1019mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).
Average wind speed in September
Chełmiec, Poland
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is March (11.4km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in September
Chełmiec, Poland
- Average humidity in September: 78%
The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and August (75%).
Average rainfall in September
Chełmiec, Poland
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is May (88mm).
The driest months (with the least rainfall) are March and November (31mm).
Average rainfall days in September
Chełmiec, Poland
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (19.8 days).
The month with the least rainy days is February (8.5 days).
Average snowfall in September
Chełmiec, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (204mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chełmiec, 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
Chełmiec, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 12min).
The month with the shortest days is December (Average daylight: 8h and 12min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Chełmiec, Poland
- Average sunshine days in September: 13.7 days
The month with the most sunshine days is November (15.3 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in September
Chełmiec, Poland
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Chełmiec, 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 31).
Average visibility in September
Chełmiec, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, June, July, August, September, October and November (9km).
The months with the lowest visibility are January and February (7km).
