September weather forecast and climate
Sławsko, Poland

September, the first month of the autumn, in Sławsko, is still a comfortable month, with average temperature fluctuating between 17.9°C (64.2°F) and 11.8°C (53.2°F).

Temperature

In September, the average high-temperature slightly decreases, from an agreeable 22.8°C (73°F) in August, to an enjoyable 17.9°C (64.2°F). In September, the average low-temperature is 11.8°C (53.2°F).

Humidity

The average relative humidity in September is 75%.

Rainfall

In Sławsko, in September, it is raining for 11.1 days, with typically 32mm (1.26") of accumulated precipitation. In Sławsko, during the entire year, the rain falls for 129.2 days and collects up to 353mm (13.9") of precipitation.

Snowfall

June through October are months without snowfall.

Daylight

In Sławsko, the average length of the day in September is 12.7h.

Sunshine

The average sunshine in Sławsko is 8.1h.

UV index

The average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to the Sun's UV rays for the average person.
Note: The average daily UV index of 4 transform into the following instructions:
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. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

What is the temperature in September in Sławsko?

In September, in Sławsko, the average high-temperature is 17.9°C (64.2°F), and the average low-temperature is 11.8°C (53.2°F).

What is the average humidity in September in Sławsko?

In September, the average relative humidity in Sławsko, Poland, is 75%.

How many days does it rain in September in Sławsko?

In Sławsko, during September, the rain falls for 11.1 days and regularly aggregates up to 32mm (1.26") of precipitation.

When it does not snow in Sławsko?

June through October are months without snowfall in Sławsko, Poland.

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

In September, the average length of the day in Sławsko, Poland, is 12.7h.

How many hours of sunshine does Sławsko have in September?

The average sunshine in September in Sławsko, Poland, is 8.1h.

What is the UV index reading in September in Sławsko?

In Sławsko, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from the exposure to the Sun's UV radiation.
Average temperature in September - Sławsko, Poland
  • Average high temperature in September: 17.9°C

The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (1.2°C).

  • Average low temperature in September: 11.8°C

The month with the highest average low temperature is August (14.7°C).
The coldest month (with the lowest average low temperature) is January (-1.7°C).

Average humidity in September - Sławsko, Poland
  • Average humidity in September: 75%

Months with the highest relative humidity are January, February and December (86%).
The month with the lowest relative humidity is April (70%).

Average rainfall in September - Sławsko, Poland
  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (12mm).

Average rainfall days in September - Sławsko, Poland
  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (13.6 days).
The month with the least rainy days is April (8 days).

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

The month with the highest snowfall is January (72mm).
Months with the least snowfall are June, July, August, September and October (0mm).

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

The month with the highest number of snowfall days is January (10.2 days).
Months with the least snowfall days are June, July, August, September and October (0 days).

Average daylight in September / Average sunshine in September - Sławsko, Poland
  • Average daylight in September: 12.7h

The month with the longest days is June (Average daylight: 17.1h).
The month with the shortest days is December (Average daylight: 7.4h).

  • Average sunshine in September: 8.1h

The month with the most sunshine is August (Average sunshine: 9.9h).
Months with the least sunshine are January and December (Average sunshine: 2.8).

Average UV index in September - Sławsko, Poland
  • Average UV index in September: 4

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are November and December (UV index 1).