September weather forecast
Kraków, Poland

September announces the onset of autumn in the city, with the landscape transforming into a canvas of vibrant colors. The weather, while leaning towards cooler temperatures, remains quite bearable and pleasant. It's a beautiful time to stroll around the Old Town or hike in the Kraków Valleys Landscape Park, spotlit by 5.1 hours of sunshine. Rain showers continue to punctuate the ambience, but the months' gentle weather fosters a delightful experience of Kraków.

Temperature

The shift from August to September in Kraków involves a decrease in the average high-temperature, from a moderately hot 23.7°C (74.7°F) to a comfortable 18.4°C (65.1°F). An average low-temperature of 9.3°C (48.7°F) is anticipated throughout the nights during September.

Humidity

In Kraków, Poland, the average relative humidity in September is 81%.

Rainfall

In Kraków, in September, it is raining for 11 days, with typically 61mm (2.4") of accumulated precipitation. In Kraków, Poland, during the entire year, the rain falls for 147 days and collects up to 670mm (26.38") of precipitation.

Daylight

In Kraków, Poland, the average length of the day in September is 12h and 37min.
On the first day of the month, sunrise is at 05:55 and sunset at 19:24. On the last day of September, in Kraków, sunrise is at 06:39 and sunset at 18:20 CEST.

Sunshine

In Kraków, Poland, the average sunshine in September is 5.1h.

UV index

In Kraków, Poland, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 4 in September translates into these instructions:
Undertake protective steps - Preventing sun damage is advised. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.