Wrocław
Poland
Long-term weather forecast
Long-term weather forecast

September weather forecast and climate
Wrocław, Poland

September, the first month of the autumn, in Wrocław, is still a comfortable month, with average temperature fluctuating between 19°C (66.2°F) and 9°C (48.2°F).

Temperature

In Wrocław, the average high-temperature in September decreases, from a warm 25°C (77°F) in August, to a comfortable 19°C (66.2°F). In Wrocław, the average low-temperature is 9°C (48.2°F).

Humidity

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

Rainfall

In Wrocław, Poland, it is raining for 11 days, with typically 43mm (1.7") of accumulated precipitation. Throughout the year, there are 151 rainfall days, and 562mm (22.1") of precipitation is accumulated.

Daylight

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

Sunshine

The average sunshine in September is 5.5h.

UV index

In September, the average daily maximum UV index in Wrocław is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from the exposure to the Sun's UV radiation for the ordinary person.
Note: The average daily UV index of 4 in September transform into the following instructions:
Take precautions - Protection against sunburn is recommended. 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 Wrocław?

In Wrocław, in September, the average high-temperature is 19°C (66.2°F), and the average low-temperature is 9°C (48.2°F).

What is the average humidity in September in Wrocław?

In September, the average relative humidity is 75%.

How many days does it rain in September in Wrocław?

In Wrocław, Poland, in September, during 11 rainfall days, 43mm (1.7") of precipitation is typically accumulated.

How many hours of daylight does Wrocław have in September?

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

How long on average sun shines in September in Wrocław?

In September, the average sunshine is 5.5h.

How high is the UV index in September in Wrocław?

In September, the average daily maximum UV index in Wrocław, Poland, is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from unprotected exposure to the UV radiation.
Average temperature in September - Wrocław, Poland
  • Average high temperature in September: 19°C

Warmest months (with the highest average high temperature) are July and August (25°C).
Months with the lowest average high temperature are January and December (3°C).

  • Average low temperature in September: 9°C

Months with the highest average low temperature are July and August (13°C).
The coldest month (with the lowest average low temperature) is January (-4°C).

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

The month with the highest relative humidity is December (85%).
The month with the lowest relative humidity is May (66%).

Average rainfall in September - Wrocław, Poland
  • Average rainfall in September: 43mm

The wettest month (with the highest rainfall) is July (75mm).
The driest month (with the lowest rainfall) is January (30mm).

Average rainfall days in September - Wrocław, Poland
  • Average rainfall days in September: 11 days

The month with the highest number of rainy days is November (15 days).
The month with the lowest number of rainy days is April (10 days).

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

The month with the longest days is June (Average daylight: 16.5h).
The month with shortest days is December (Average daylight: 8h).

  • Average sunshine in September: 5.5h

The month with most sunshine is June (Average sunshine: 8.4h).
The month with least sunshine is December (Average sunshine: 1.5h).

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

Months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 0).