September weather forecastMielnik, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Mielnik, Poland, with an average temperature ranging between min 9.9°C (49.8°F) and max 18.4°C (65.1°F).Temperature
In September, the meteorological conditions alter, with the average high-temperature shifting from a moderately hot 24.2°C (75.6°F) in August to a refreshing 18.4°C (65.1°F). Mielnik's nighttime temperature in September drops to an average of 9.9°C (49.8°F).Humidity
In September, the average relative humidity is 75%.Rainfall
In September, in Mielnik, Poland, the rain falls for 13.1 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 163.1 rainfall days, and 492mm (19.37") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 05:39 and sunset at 19:15. On the last day of September, sunrise is at 06:28 and sunset at 18:07 CEST.
Sunshine
In September, the average sunshine in Mielnik is 7.3h.UV index
The average daily maximum UV index in September in Mielnik is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily maximum UV index of 3 in September interprets into the following advice:
Ensure safety - Imperative it is to shield skin and eyes from damage. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mielnik, Poland
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-1.5°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (14.3°C).
The coldest month (with the lowest average low temperature) is January (-4.9°C).
Average pressure in September
Mielnik, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.5mbar).
The month with the lowest atmospheric pressure is July (1013.3mbar).
Average wind speed in September
Mielnik, Poland
- Average wind speed in September: 12.2km/h
The windiest month (with the highest average wind speed) is December (15km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in September
Mielnik, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The months with the lowest relative humidity are April and August (69%).
Average rainfall in September
Mielnik, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is May (72mm).
The driest month (with the least rainfall) is February (27mm).
Average rainfall days in September
Mielnik, Poland
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is February (8.2 days).
Average snowfall in September
Mielnik, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (173mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Mielnik, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mielnik, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
Mielnik, Poland
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is January (7.2 days).
Average UV index in September
Mielnik, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in September
Mielnik, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 79).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Mielnik, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
