September weather forecastZwonowice, Poland

September

Weather in September

September, the first month of the autumn in Zwonowice, is still a refreshing month, with an average temperature varying between 10.8°C (51.4°F) and 19.6°C (67.3°F).

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.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In September, the average high-temperature and low-temperature in Zwonowice, Poland, are 19.6°C (67.3°F) and 10.8°C (51.4°F) respectively.

In September, the average relative humidity in Zwonowice, Poland, is 71%.

In Zwonowice, in September, during 11.6 rainfall days, 39mm (1.54") of precipitation is typically accumulated.

In Zwonowice, Poland, snow does not fall in June through September.

In Zwonowice, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Zwonowice is 12h and 37min.

In September, on the first day of the month, sunrise is at 06:01 and sunset at 19:30. On the last day of the month, sunrise is at 06:45 and sunset at 18:26 CEST.

In Zwonowice, Poland, the average sunshine duration in September is 8.5h.

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

25.6°C

19.6°C

13.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

10.5km/h

10.8km/h

12.1km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

17.2

16.3

17.6

Average UV index

Average cloud cover

Average visibility

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 36min

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 30min

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).