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 decrease of average high-temperatures is mild in September, with a decline from a moderately hot 25.6°C (78.1°F) in August to a comfortable 19.6°C (67.3°F). Throughout the month of September, Zwonowice reports a steady low-temperature average of 10.8°C (51.4°F).Humidity
In September, the average relative humidity is 71%.Rainfall
In Zwonowice, Poland, in September, it is raining for 11.6 days, with typically 39mm (1.54") of accumulated precipitation. Throughout the year, there are 142.4 rainfall days, and 454mm (17.87") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day in Zwonowice is 12h and 37min.On the first day of the month, sunrise is at 06:01 and sunset at 19:30. On the last day of September, sunrise is at 06:45 and sunset at 18:26 CEST.
Sunshine
The average sunshine in September is 8.5h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: During September, 4 as the daily maximum UV index converts into the following advice:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Zwonowice in September?
What is the average humidity in September in Zwonowice?
How many days does it rain in September in Zwonowice?
When it does not snow in Zwonowice?
Does it snow in Zwonowice in September?
How many hours of daylight does Zwonowice have in September?
What time are sunrise and sunset in September in Zwonowice?
How many hours of sunshine does Zwonowice have in September?
What is the UV index intensity in September in Zwonowice?
Average temperature in September
Zwonowice, Poland
- Average high temperature in September: 19.6°C
The warmest month (with the highest average high temperature) is August (25.6°C).
The month with the lowest average high temperature is January (0.7°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.5°C).
Average pressure in September
Zwonowice, Poland
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is October (1018.7mbar).
The month with the lowest atmospheric pressure is July (1014.6mbar).
Average wind speed in September
Zwonowice, Poland
- Average wind speed in September: 10.3km/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 (9.6km/h).
Average humidity in September
Zwonowice, Poland
- Average humidity in September: 71%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is August (65%).
Average rainfall in September
Zwonowice, Poland
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is May (65mm).
The driest month (with the least rainfall) is November (23mm).
Average rainfall days in September
Zwonowice, Poland
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.9 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Zwonowice, Poland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (157mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Zwonowice, Poland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Zwonowice, Poland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 18min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 3min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 3h and 36min).
Average sunshine days in September
Zwonowice, Poland
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (17.6 days).
The month with the least sunshine days is May (10.4 days).
Average UV index in September
Zwonowice, Poland
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Zwonowice, Poland
- Average cloud cover in September: 38
The month with the most cloud cover is February (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Zwonowice, Poland
- Average visibility in September: 9km
The month with the highest visibility is August (10km).
The months with the lowest visibility are January and February (8km).
