September weather forecastSierzputy-Marki, Poland
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Sierzputy-Marki, Poland, with an average temperature varying between 9.7°C (49.5°F) and 18.5°C (65.3°F).Temperature
Onset of September witnesses a reduction in the average high-temperature, falling from a moderately hot 23.8°C (74.8°F) in August to a comfortable 18.5°C (65.3°F). In the month of September, the average low-temperature in Sierzputy-Marki usually rests at a frosty 9.7°C (49.5°F).Humidity
In Sierzputy-Marki, the average relative humidity in September is 75%.Rainfall
In Sierzputy-Marki, Poland, during September, the rain falls for 9.5 days and regularly aggregates up to 22mm (0.87") of precipitation. Throughout the year, there are 130.4 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
In Sierzputy-Marki, snow does not fall in June through September.Daylight
In Sierzputy-Marki, the average length of the day in September is 12h and 41min.On the first day of September in Sierzputy-Marki, sunrise is at 05:42 and sunset at 19:20. On the last day of the month, sunrise is at 06:32 and sunset at 18:10 CEST.
Sunshine
The average sunshine in September in Sierzputy-Marki is 7.6h.UV index
In September, the average daily maximum UV index in Sierzputy-Marki, Poland, is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, a regular UV index of 3 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. To guard against the harmful effects of the Sun, minimize exposure during midday. To cut down UV radiation exposure by about half, sport a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Sierzputy-Marki, Poland
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (24.3°C).
The month with the lowest average high temperature is January (-1.2°C).
- Average low temperature in September: 9.7°C
The month with the highest average low temperature is July (13.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in September
Sierzputy-Marki, Poland
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is October (1017.9mbar).
The month with the lowest atmospheric pressure is July (1013.2mbar).
Average wind speed in September
Sierzputy-Marki, Poland
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (13km/h).
The calmest month (with the lowest average wind speed) is August (9.7km/h).
Average humidity in September
Sierzputy-Marki, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Sierzputy-Marki, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is May (42mm).
The driest months (with the least rainfall) are February and March (14mm).
Average rainfall days in September
Sierzputy-Marki, Poland
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Sierzputy-Marki, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (75mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Sierzputy-Marki, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Sierzputy-Marki, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 42min).
- Average sunshine in September: 7h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 2h and 18min).
Average sunshine days in September
Sierzputy-Marki, Poland
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is February (10.9 days).
Average UV index in September
Sierzputy-Marki, Poland
- Average UV index in September: 3
The months with the highest UV index are 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
Sierzputy-Marki, Poland
- Average cloud cover in September: 42
The months with the most cloud cover are January and February (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Sierzputy-Marki, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).





