September weather forecastNiwiska Górne, Poland
September
Weather in September
September, the first month of the autumn in Niwiska Górne, is still a comfortable month, with an average temperature varying between 19.4°C (66.9°F) and 11.3°C (52.3°F).Temperature
September's arrival corresponds with a decrease in average high-temperatures, from August's moderately hot 25°C (77°F) to a comfortable 19.4°C (66.9°F). In September, the temperature in Niwiska Górne drops to an average of 11.3°C (52.3°F) at night.Humidity
In September, the average relative humidity is 71%.Rainfall
In Niwiska Górne, Poland, in September, it is raining for 10.3 days, with typically 25mm (0.98") of accumulated precipitation. In Niwiska Górne, during the entire year, the rain falls for 121.3 days and collects up to 317mm (12.48") of precipitation.Snowfall
In Niwiska Górne, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 05:58 and sunset at 19:29. On the last day of September, sunrise is at 06:43 and sunset at 18:24 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In Niwiska Górne, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The UV index of 4 during September leads to these advisories:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. 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
Niwiska Górne, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Niwiska Górne, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Niwiska Górne, Poland
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).
Average humidity in September
Niwiska Górne, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Niwiska Górne, Poland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).
Average rainfall days in September
Niwiska Górne, Poland
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Niwiska Górne, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Niwiska Górne, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Niwiska Górne, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 12min).
Average sunshine days in September
Niwiska Górne, Poland
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in September
Niwiska Górne, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Niwiska Górne, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Niwiska Górne, Poland
- Average visibility in September: 10km
The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (7km).
