September weather forecastDerło, Poland
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Derło, Poland, with temperature in the range of an average high of 18.5°C (65.3°F) and an average low of 9.9°C (49.8°F).Temperature
The arrival of September corresponds with a temperature reduction, down from August's moderately hot 24.8°C (76.6°F) to a comfortable 18.5°C (65.3°F). September brings an average low-temperature of 9.9°C (49.8°F) to Derło.Humidity
In September, the average relative humidity in Derło is 74%.Rainfall
In Derło, Poland, in September, it is raining for 11.4 days, with typically 30mm (1.18") of accumulated precipitation. Throughout the year, there are 143.7 rainfall days, and 388mm (15.28") of precipitation is accumulated.Snowfall
In Derło, snow does not fall in May through September.Daylight
In September, the average length of the day in Derło is 12h and 40min.On the first day of the month, sunrise is at 05:38 and sunset at 19:13. On the last day of September, sunrise is at 06:26 and sunset at 18:05 CEST.
Sunshine
In Derło, Poland, the average sunshine in September is 7.4h.UV index
In September, the average daily maximum UV index in Derło, Poland, is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 3 in September translates into this advice:
Adopt protective measures - Suggestions to resist sunburn are offered. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. 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
Derło, Poland
- Average high temperature in September: 18.5°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 (-1.4°C).
- Average low temperature in September: 9.9°C
The month with the highest average low temperature is July (14.4°C).
The coldest month (with the lowest average low temperature) is January (-4.8°C).
Average pressure in September
Derło, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in September
Derło, Poland
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (14.2km/h).
The calmest month (with the lowest average wind speed) is August (10.2km/h).
Average humidity in September
Derło, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Derło, Poland
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is May (59mm).
The driest months (with the least rainfall) are February and November (21mm).
Average rainfall days in September
Derło, Poland
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Derło, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (114mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Derło, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Derło, 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: 7h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in September
Derło, Poland
- Average sunshine days in September: 16.2 days
The month with the most sunshine days is October (16.6 days).
The month with the least sunshine days is July (9.9 days).
Average UV index in September
Derło, 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, February, November and December (UV index 1).
Average cloud cover in September
Derło, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Derło, Poland
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The months with the lowest visibility are January and February (7km).
