September weather forecast and climate
Wilhelmów, Poland

September, the first month of the autumn, in Wilhelmów, is also an enjoyable month, with average temperature ranging between min 10.5°C (50.9°F) and max 19.1°C (66.4°F).

Temperature

In Wilhelmów, the average high-temperature in September decreases, from a warm 24.9°C (76.8°F) in August, to an enjoyable 19.1°C (66.4°F). In September, the average low-temperature is 10.5°C (50.9°F).

Humidity

In Wilhelmów, the average relative humidity is 73%.

Rainfall

In Wilhelmów, during September, the rain falls for 10.1 days and regularly aggregates up to 31mm (1.22") of precipitation. In Wilhelmów, during the entire year, the rain falls for 156.2 days and collects up to 451mm (17.76") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In September, the average length of the day in Wilhelmów is 12.6h.

Sunshine

The average sunshine in September is 7.8h.

UV index

In September, the average daily maximum UV index in Wilhelmów is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from the exposure to the Sun's UV rays for ordinary individuals.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against sun damage is advised. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in September in Wilhelmów?

The average high-temperature, in September, in Wilhelmów, is 19.1°C (66.4°F), while the average low-temperature is 10.5°C (50.9°F).

What is the average humidity in September in Wilhelmów?

The average relative humidity in September in Wilhelmów, Poland, is 73%.

How many days does it rain in September in Wilhelmów?

In Wilhelmów, Poland, during September, the rain falls for 10.1 days and regularly aggregates up to 31mm (1.22") of precipitation.

Does it snow in Wilhelmów in September?

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

When it does not snow in Wilhelmów?

In Wilhelmów snow does not fall in June through September.

What is the average length of the day in September in Wilhelmów?

The average length of the day in September is 12.6h.

How many hours of sunshine does Wilhelmów have in September?

The average sunshine in September in Wilhelmów, Poland, is 7.8h.

How high is the UV index in September in Wilhelmów?

The average daily maximum UV index in September in Wilhelmów, Poland, is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from the exposure to the Sun's UV rays.
Average temperature in September - Wilhelmów, Poland
  • Average high temperature in September: 19.1°C

The warmest month (with the highest average high temperature) is August (24.9°C).
The month with the lowest average high temperature is January (-0.3°C).

  • Average low temperature in September: 10.5°C

The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).

Average pressure in September - Wilhelmów, Poland
  • Average pressure in September: 1017.2mbar

The month with the highest atmospheric pressure is October (1018.1mbar).
The month with the lowest atmospheric pressure is July (1013.6mbar).

Average wind speed in September - Wilhelmów, Poland
  • Average wind speed in September: 11.9km/h

The windiest month (with the highest average wind speed) is December (14.7km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).

Average humidity in September - Wilhelmów, Poland
  • Average humidity in September: 73%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is August (67%).

Average rainfall in September - Wilhelmów, Poland
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is May (63mm).
The driest month (with the least rainfall) is April (24mm).

Average rainfall days in September - Wilhelmów, Poland
  • Average rainfall days in September: 10.1 days

The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in September - Wilhelmów, Poland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (157mm).
Months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September - Wilhelmów, Poland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (16.2 days).
Months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Wilhelmów, Poland
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.6h).
The month with the shortest days is December (Average daylight: 7.9h).

  • Average sunshine in September: 7.8h

The month with the most sunshine is August (Average sunshine: 10.4h).
The month with the least sunshine is January (Average sunshine: 2.7h).

Average sunshine days in September - Wilhelmów, Poland
  • Average sunshine days in September: 17.9 days

The month with the most sunshine days is September (17.9 days).
The month with the least sunshine days is January (8.2 days).

Average UV index in September - Wilhelmów, Poland
  • Average UV index in September: 3

The month with the highest UV index is July (UV index 6).
Months with the lowest UV index are January, November and December (UV index 1).

Average cloud cover in September - Wilhelmów, Poland
  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September - Wilhelmów, Poland
  • Average visibility in September: 9km

Months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).