September weather forecastOkonek, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Okonek, Poland, with an average temperature fluctuating between 18.3°C (64.9°F) and 10.5°C (50.9°F).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a warm 23.2°C (73.8°F) in August to a refreshing 18.3°C (64.9°F). Throughout September, Okonek registers a consistent average low-temperature of 10.5°C (50.9°F).Humidity
The average relative humidity in September is 76%.Rainfall
In September, in Okonek, the rain falls for 14.5 days. Throughout September, 36mm (1.42") of precipitation is accumulated. In Okonek, during the entire year, the rain falls for 182 days and collects up to 532mm (20.94") of precipitation.Snowfall
In Okonek, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 41min.On the first day of the month, sunrise is at 06:02 and sunset at 19:42. On the last day of September, in Okonek, sunrise is at 06:53 and sunset at 18:31 CEST.
Sunshine
In September, the average sunshine in Okonek is 8.2h.UV index
In Okonek, Poland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. To protect against the Sun's most potent rays, avoid direct exposure around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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
Okonek, 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).
