September weather forecastSiekierczyn, Poland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Siekierczyn, Poland, with temperature in the range of an average high of 18.8°C (65.8°F) and an average low of 10.5°C (50.9°F).Temperature
Siekierczyn, Poland, in September undergoes a mild reduction in the average high-temperature, shifting from August's moderately hot 24.2°C (75.6°F) to a refreshing 18.8°C (65.8°F). Throughout the month of September, Siekierczyn expects an average low of 10.5°C (50.9°F).Humidity
In Siekierczyn, the average relative humidity in September is 75%.Rainfall
In Siekierczyn, in September, it is raining for 14.7 days, with typically 40mm (1.57") of accumulated precipitation. Throughout the year, there are 181.7 rainfall days, and 562mm (22.13") of precipitation is accumulated.Snowfall
In Siekierczyn, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 38min.On the first day of September in Siekierczyn, Poland, sunrise is at 06:13 and sunset at 19:44. On the last day of the month, sunrise is at 06:58 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: A maximum daily UV index of 4 during September morphs into the following directions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Siekierczyn, Poland
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (1.3°C).
- Average low temperature in September: 10.5°C
The month with the highest average low temperature is August (14.4°C).
The coldest month (with the lowest average low temperature) is January (-2.8°C).
Average pressure in September
Siekierczyn, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018mbar).
The month with the lowest atmospheric pressure is July (1014.7mbar).
Average wind speed in September
Siekierczyn, Poland
- Average wind speed in September: 10.3km/h
The windiest month (with the highest average wind speed) is December (14.4km/h).
The calmest month (with the lowest average wind speed) is August (9.6km/h).
Average humidity in September
Siekierczyn, Poland
- Average humidity in September: 75%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (70%).
Average rainfall in September
Siekierczyn, Poland
- Average rainfall in September: 40mm
The wettest month (with the highest rainfall) is July (76mm).
The driest month (with the least rainfall) is April (26mm).
Average rainfall days in September
Siekierczyn, Poland
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is February (9.7 days).
Average snowfall in September
Siekierczyn, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (166mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Siekierczyn, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Siekierczyn, Poland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 36min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in September
Siekierczyn, Poland
- Average sunshine days in September: 13 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is June (7.3 days).
Average UV index in September
Siekierczyn, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are November and December (UV index 1).
Average cloud cover in September
Siekierczyn, Poland
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Siekierczyn, Poland
- Average visibility in September: 9km
The months with the highest visibility are April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).





