Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The transition into September involves a decrease in the average high-temperature, falling from a warm 25°C (77°F) in August to an enjoyable 19.4°C (66.9°F). In the month of September, Siemkowice records a consistent average low-temperature of 11.3°C (52.3°F).Humidity
In September, the average relative humidity is 71%.Rainfall
In Siemkowice, in September, during 10.3 rainfall days, 25mm (0.98") of precipitation is typically accumulated. Throughout the year, in Siemkowice, there are 121.3 rainfall days, and 317mm (12.48") of precipitation is accumulated.Snowfall
In Siemkowice, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 38min.On the first day of September, sunrise is at 05:58 and sunset at 19:30. On the last day of the month, sunrise is at 06:44 and sunset at 18:24 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: An average UV index of 4 in September transforms into this advice:
Be vigilant - A duty to shield skin and eyes from injury exists. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Siemkowice?
What is the average humidity in September in Siemkowice?
How much does it rain in Siemkowice in September?
When it does not snow in Siemkowice?
Does it snow in Siemkowice in September?
How many hours of daylight does Siemkowice have in September?
When are sunrise and sunset in September in Siemkowice?
How long on average sun shines in September in Siemkowice?
How high is the UV index in September in Siemkowice?
Average temperature in September
Siemkowice, Poland
- Average high temperature in September: 19.4°C
The warmest month (with the highest average high temperature) is August (25°C).
The month with the lowest average high temperature is January (0.5°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.5°C).
The coldest month (with the lowest average low temperature) is January (-3.1°C).
Average pressure in September
Siemkowice, Poland
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is October (1018.3mbar).
The month with the lowest atmospheric pressure is July (1014.3mbar).
Average wind speed in September
Siemkowice, Poland
- Average wind speed in September: 12km/h
The windiest month (with the highest average wind speed) is December (14.9km/h).
The calmest months (with the lowest average wind speed) are July and August (11.1km/h).
Average humidity in September
Siemkowice, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Siemkowice, Poland
- Average rainfall in September: 25mm
The wettest month (with the highest rainfall) is July (42mm).
The driest month (with the least rainfall) is November (14mm).
Average rainfall days in September
Siemkowice, Poland
- Average rainfall days in September: 10.3 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is January (6.3 days).
Average snowfall in September
Siemkowice, 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
Siemkowice, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Siemkowice, Poland
- Average daylight in September: 12h and 4min
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 2min
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 12min).
Average sunshine days in September
Siemkowice, Poland
- Average sunshine days in September: 19.2 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is February (13.3 days).
Average UV index in September
Siemkowice, 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, February, March, November and December (UV index 2).
Average cloud cover in September
Siemkowice, Poland
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Siemkowice, Poland
- Average visibility in September: 10km
The months with the highest visibility are June, August and September (10km).
The month with the lowest visibility is January (7km).
