September weather forecastMarki, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Marki, Poland, with an average temperature fluctuating between 10.8°C (51.4°F) and 18.8°C (65.8°F).Temperature
A shift in the average high-temperature occurs in September, reducing from a moderately hot 25°C (77°F) in August to an enjoyable 18.8°C (65.8°F). Marki anticipates an average minimum temperature of 10.8°C (51.4°F) in the month of September.Humidity
In Marki, Poland, the average relative humidity in September is 73%.Rainfall
In Marki, in September, it is raining for 11.5 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, there are 142.6 rainfall days, and 340mm (13.39") of precipitation is accumulated.Snowfall
In Marki, snow does not fall in June through September.Daylight
In Marki, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 05:47 and sunset at 19:23. On the last day of September, sunrise is at 06:35 and sunset at 18:15 CEST.
Sunshine
In Marki, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marki, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (-0.4°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Marki, Poland
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is October (1018.2mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Marki, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (13.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).
Average humidity in September
Marki, Poland
- Average humidity in September: 73%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (66%).
Average rainfall in September
Marki, Poland
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is May (55mm).
The driest months (with the least rainfall) are February, March, April and November (20mm).
Average rainfall days in September
Marki, Poland
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in September
Marki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (94mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Marki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Marki, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in September
Marki, Poland
- Average sunshine days in September: 16.6 days
The month with the most sunshine days is October (17.9 days).
The month with the least sunshine days is January (10.8 days).
Average UV index in September
Marki, Poland
- Average UV index in September: 3
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Marki, Poland
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Marki, Poland
- Average visibility in September: 9km
The months with the highest visibility are June and August (10km).
The month with the lowest visibility is January (7km).





