September weather forecastGniewino, Poland
September
Weather in September
September, the first month of the autumn in Gniewino, is still a refreshing month, with an average temperature fluctuating between 17.4°C (63.3°F) and 11.9°C (53.4°F).Temperature
The onset of September results in a small decrease in the average high-temperature, moderately receding from an agreeable 21.8°C (71.2°F) in August to an enjoyable 17.4°C (63.3°F). During September, the average low-temperature is recorded at a cool 11.9°C (53.4°F).Humidity
In Gniewino, the average relative humidity in September is 76%.Rainfall
In September, in Gniewino, the rain falls for 16 days. Throughout September, 43mm (1.69") of precipitation is accumulated. Throughout the year, there are 171.4 rainfall days, and 487mm (19.17") of precipitation is accumulated.Snowfall
In Gniewino, snow does not fall in June through October.Daylight
In Gniewino, the average length of the day in September is 12h and 43min.On the first day of September in Gniewino, Poland, sunrise is at 05:55 and sunset at 19:39. On the last day of the month, sunrise is at 06:49 and sunset at 18:26 CEST.
Sunshine
In September, the average sunshine in Gniewino is 8h.UV index
In Gniewino, Poland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 4 translates into these guidelines:
Take heed. Individuals of lighter complexion can be burned in less than half an hour. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gniewino, Poland
- Average high temperature in September: 17.4°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-1.8°C).
Average pressure in September
Gniewino, Poland
- Average pressure in September: 1016.1mbar
The month with the highest atmospheric pressure is October (1016.4mbar).
The month with the lowest atmospheric pressure is December (1012.9mbar).
Average wind speed in September
Gniewino, Poland
- Average wind speed in September: 15.7km/h
The windiest month (with the highest average wind speed) is December (19.3km/h).
The calmest months (with the lowest average wind speed) are June and August (13.7km/h).
Average humidity in September
Gniewino, Poland
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Gniewino, Poland
- Average rainfall in September: 43mm
The wettest month (with the highest rainfall) is July (70mm).
The driest month (with the least rainfall) is April (18mm).
Average rainfall days in September
Gniewino, Poland
- Average rainfall days in September: 16 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is February (9.5 days).
Average snowfall in September
Gniewino, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (103mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Gniewino, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Gniewino, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 12min).
The month with the shortest days is December (Average daylight: 7h and 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Gniewino, Poland
- Average sunshine days in September: 10.7 days
The month with the most sunshine days is April (15.6 days).
The month with the least sunshine days is December (8.7 days).
Average UV index in September
Gniewino, Poland
- Average UV index in September: 4
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
Gniewino, Poland
- Average cloud cover in September: 42
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Gniewino, Poland
- Average visibility in September: 10km
The months with the highest visibility are April, June, August and September (10km).
The months with the lowest visibility are January, February, March, May, July, October, November and December (9km).
