September weather forecastModlna, Poland
September
Weather in September
September, the first month of the autumn in Modlna, is still a refreshing month, with temperature in the range of an average low of 10.8°C (51.4°F) and an average high of 19.3°C (66.7°F).Temperature
The move into September indicates a reduction in the average high-temperature, down from August's warm 24.8°C (76.6°F) to a comfortable 19.3°C (66.7°F). In Modlna, the September nights cool down to an average low of 10.8°C (51.4°F).Humidity
The average relative humidity in September is 71%.Rainfall
In September, the rain falls for 9.2 days. Throughout September, 22mm (0.87") of precipitation is accumulated. In Modlna, during the entire year, the rain falls for 138 days and collects up to 361mm (14.21") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Modlna, the average length of the day in September is 12h and 39min.On the first day of September, sunrise is at 05:55 and sunset at 19:29. On the last day of the month, sunrise is at 06:42 and sunset at 18:22 CEST.
Sunshine
The average sunshine in September in Modlna is 8.2h.UV index
The average daily maximum UV index in September in Modlna, Poland, is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 4 during September translates into the following directions:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Avoiding the Sun during its peak radiation time around midday is a healthy practice. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Modlna, Poland
- Average high temperature in September: 19.3°C
The warmest month (with the highest average high temperature) is August (24.8°C).
The month with the lowest average high temperature is January (0.2°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).
Average pressure in September
Modlna, Poland
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in September
Modlna, Poland
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (15.5km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Modlna, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Modlna, Poland
- Average rainfall in September: 22mm
The wettest month (with the highest rainfall) is May (43mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Modlna, Poland
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is August (8.5 days).
Average snowfall in September
Modlna, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (132mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Modlna, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Modlna, Poland
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in September
Modlna, Poland
- Average sunshine days in September: 18.3 days
The month with the most sunshine days is August (21.7 days).
The month with the least sunshine days is February (8.5 days).
Average UV index in September
Modlna, Poland
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Modlna, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Modlna, 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).





