September weather forecastBolkowo, Poland
September
Weather in September
September, the first month of the autumn in Bolkowo, is also an enjoyable month, with an average temperature ranging between min 10.8°C (51.4°F) and max 18.4°C (65.1°F).Temperature
In September, the average high-temperature marginally drops from a warm 23.1°C (73.6°F) in August to a refreshing 18.4°C (65.1°F). Bolkowo encounters a steady low-temperature average of 10.8°C (51.4°F) throughout the month of September.Humidity
In September, the average relative humidity is 76%.Rainfall
In September, the rain falls for 10.5 days. Throughout September, 31mm (1.22") of precipitation is accumulated. In Bolkowo, during the entire year, the rain falls for 143.5 days and collects up to 394mm (15.51") of precipitation.Snowfall
In Bolkowo, snow does not fall in June through October.Daylight
In September, the average length of the day in Bolkowo is 12h and 41min.On the first day of September, sunrise is at 06:05 and sunset at 19:45. On the last day of the month, sunrise is at 06:56 and sunset at 18:34 CEST.
Sunshine
In September, the average sunshine in Bolkowo, Poland, is 8.1h.UV index
In Bolkowo, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 4 during September translates into these guidelines:
Ensure safety - Sun damage prevention is strongly urged. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Bolkowo, Poland
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (23.1°C).
The month with the lowest average high temperature is January (0.8°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (-2.2°C).
Average pressure in September
Bolkowo, Poland
- Average pressure in September: 1016.4mbar
The month with the highest atmospheric pressure is October (1016.5mbar).
The months with the lowest atmospheric pressure are November and December (1013.4mbar).
Average wind speed in September
Bolkowo, Poland
- Average wind speed in September: 13.1km/h
The windiest month (with the highest average wind speed) is December (15.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Bolkowo, Poland
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (88%).
The month with the lowest relative humidity is April (70%).
Average rainfall in September
Bolkowo, Poland
- Average rainfall in September: 31mm
The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Bolkowo, Poland
- Average rainfall days in September: 10.5 days
The month with the highest number of rainy days is May (14.7 days).
The month with the least rainy days is February (9.2 days).
Average snowfall in September
Bolkowo, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (79mm).
The months with the least snowfall are June, July, August, September and October (0mm).
Average snowfall days in September
Bolkowo, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (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
Bolkowo, 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 30min).
- Average sunshine in September: 8h and 6min
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 42min).
Average sunshine days in September
Bolkowo, Poland
- Average sunshine days in September: 17.9 days
The month with the most sunshine days is September (17.9 days).
The months with the least sunshine days are February and December (12.7 days).
Average UV index in September
Bolkowo, 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
Bolkowo, Poland
- Average cloud cover in September: 43
The months with the most cloud cover are January and December (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in September
Bolkowo, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (9km).
The months with the lowest visibility are January, February and December (8km).





