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
Onset of September witnesses a reduction in the average high-temperature, falling from a moderately hot 24.5°C (76.1°F) in August to an enjoyable 18.7°C (65.7°F). September in Sieniewice generally records an average low-temperature of 10.1°C (50.2°F).Humidity
In September, the average relative humidity is 74%.Rainfall
September is the month with the least rainfall. Rain falls for 8.5 days and accumulates 18mm (0.71") of precipitation.Snowfall
In Sieniewice, snow does not fall in May through September.Daylight
In Sieniewice, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 05:41 and sunset at 19:17. On the last day of September, sunrise is at 06:29 and sunset at 18:08 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. To guard against the harmful effects of the Sun, minimize exposure during midday. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Sieniewice?
What is the average humidity in September in Sieniewice?
What is the driest month in Sieniewice?
How many days does it rain in September in Sieniewice?
When it does not snow in Sieniewice?
Does it snow in Sieniewice in September?
How many hours of daylight does Sieniewice have in September?
When is the sunrise / sunset in September in Sieniewice?
How many hours of sunshine does Sieniewice have in September?
How high is the UV index in September in Sieniewice?
Average temperature in September
Sieniewice, Poland
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (24.5°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in September: 10.1°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-4.3°C).
Average pressure in September
Sieniewice, Poland
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is October (1018.4mbar).
The month with the lowest atmospheric pressure is July (1013.5mbar).
Average wind speed in September
Sieniewice, Poland
- Average wind speed in September: 11.3km/h
The windiest month (with the highest average wind speed) is December (13.5km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Sieniewice, Poland
- Average humidity in September: 74%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is August (68%).
Average rainfall in September
Sieniewice, Poland
- Average rainfall in September: 18mm
The wettest month (with the highest rainfall) is May (55mm).
The driest month (with the least rainfall) is September (18mm).
Average rainfall days in September
Sieniewice, Poland
- Average rainfall days in September: 8.5 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is February (7.4 days).
Average snowfall in September
Sieniewice, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (154mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Sieniewice, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17.4 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
Sieniewice, Poland
- Average daylight in September: 12h and 4min
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 5min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 24min).
Average sunshine days in September
Sieniewice, Poland
- Average sunshine days in September: 20.6 days
The month with the most sunshine days is August (20.8 days).
The month with the least sunshine days is January (8.8 days).
Average UV index in September
Sieniewice, 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 and December (UV index 1).
Average cloud cover in September
Sieniewice, Poland
- Average cloud cover in September: 41
The month with the most cloud cover is January (Cloud cover 77).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Sieniewice, 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 (6km).
