September weather forecastNiepla, Poland
September
Weather in September
September, the first month of the autumn in Niepla, is also an enjoyable month, with temperature in the range of an average high of 19°C (66.2°F) and an average low of 9.3°C (48.7°F).Temperature
September shows a mild decline in the average high-temperature, falling from August's warm 24.4°C (75.9°F) to an enjoyable 19°C (66.2°F). Throughout September nights, Niepla experiences a consistent temperature average of 9.3°C (48.7°F).Humidity
The average relative humidity in September is 76%.Rainfall
In Niepla, in September, it is raining for 10.5 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, there are 155.5 rainfall days, and 507mm (19.96") of precipitation is accumulated.Snowfall
In Niepla, 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 September in Niepla, sunrise is at 05:49 and sunset at 19:17. On the last day of the month, sunrise is at 06:32 and sunset at 18:14 CEST.
Sunshine
In Niepla, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index in Niepla is 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Take necessary precautions - Defending against sun damage is advocated. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Enhance your sun protection with tightly woven, yet airy clothing.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Niepla, Poland
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (24.4°C).
The month with the lowest average high temperature is January (-0.8°C).
- Average low temperature in September: 9.3°C
The months with the highest average low temperature are July and August (13.1°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Niepla, Poland
- Average pressure in September: 1017.7mbar
The month with the highest atmospheric pressure is October (1019.1mbar).
The months with the lowest atmospheric pressure are June and July (1014.4mbar).
Average wind speed in September
Niepla, Poland
- Average wind speed in September: 9.2km/h
The windiest month (with the highest average wind speed) is December (13.1km/h).
The calmest month (with the lowest average wind speed) is August (8.4km/h).
Average humidity in September
Niepla, Poland
- Average humidity in September: 76%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (72%).
Average rainfall in September
Niepla, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is May (69mm).
The driest month (with the least rainfall) is March (26mm).
Average rainfall days in September
Niepla, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is February (9 days).
Average snowfall in September
Niepla, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (159mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Niepla, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Niepla, Poland
- Average daylight in September: 12h and 36min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Niepla, Poland
- Average sunshine days in September: 18 days
The month with the most sunshine days is August (18.4 days).
The month with the least sunshine days is January (8.1 days).
Average UV index in September
Niepla, 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 and December (UV index 1).
Average cloud cover in September
Niepla, Poland
- Average cloud cover in September: 38
The months with the most cloud cover are January and February (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Niepla, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





