September weather forecastSilnowo, Poland
September
Weather in September
September, the first month of the autumn in Silnowo, is still a refreshing month, with an average temperature varying between 18.3°C (64.9°F) and 10.5°C (50.9°F).Temperature
The transition to September results in a modest reduction in average high-temperature, moving from a moderately hot 23.2°C (73.8°F) in August to a refreshing 18.3°C (64.9°F). In Silnowo, September nights cool down to an average of 10.5°C (50.9°F).Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 14.5 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, in Silnowo, there are 182 rainfall days, and 532mm (20.94") of precipitation is accumulated.Snowfall
In Silnowo, snow does not fall in June through September.Daylight
In Silnowo, the average length of the day in September is 12h and 41min.On the first day of the month, sunrise is at 06:03 and sunset at 19:43. On the last day of September, sunrise is at 06:54 and sunset at 18:32 CEST.
Sunshine
In September, the average sunshine is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Silnowo, Poland
- Average high temperature in September: 18.3°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (0.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (-3°C).
Average pressure in September
Silnowo, Poland
- Average pressure in September: 1016.6mbar
The month with the highest atmospheric pressure is October (1016.8mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).
Average wind speed in September
Silnowo, Poland
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (15.1km/h).
The calmest month (with the lowest average wind speed) is August (11.2km/h).
Average humidity in September
Silnowo, Poland
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (90%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Silnowo, Poland
- Average rainfall in September: 36mm
The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Silnowo, Poland
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is February (10.2 days).
Average snowfall in September
Silnowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Silnowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Silnowo, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 17h and 0min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).
Average sunshine days in September
Silnowo, Poland
- Average sunshine days in September: 12.3 days
The month with the most sunshine days is April (13.7 days).
The month with the least sunshine days is December (6.6 days).
Average UV index in September
Silnowo, Poland
- Average UV index in September: 4
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Silnowo, Poland
- Average cloud cover in September: 42
The months with the most cloud cover are January and December (Cloud cover 74).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Silnowo, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
