September weather forecastGraz, Austria

Weather in September

September in Graz ushers in the fall, however the weather remains warm, ranging from 9°C in the night to 20°C during the day. This month is truly the city's golden season with leaves beginning to change colours, painting the cityscape with rich hues of yellow, orange and red. The pleasant weather conditions paired with the diverse fall colours transform Graz into a romantic retreat. It is a wonderful time to take a boat trip down the river Mur and watch colourful leaves fall from the trees.

Temperature

The transition into September involves a small decrease in the average high-temperature, dipping slightly from a moderately hot 23°C in August to a delightful 20°C. In September, the average high-temperature marginally drops from a moderately hot 23°C in August to a delightful 20°C. September brings Graz a consistent average low-temperature of 9°C.

Rainfall

In Graz, in September, it is raining for 11 days, with typically 89mm of accumulated precipitation. In Graz, during the entire year, the rain falls for 146 days and collects up to 968mm of precipitation.

Daylight

In September, the average length of the day is 12h and 34min.
On the first day of September, sunrise is at 06:17 and sunset at 19:38. On the last day of the month, sunrise is at 06:55 and sunset at 18:40 CEST.

Sunshine

The average sunshine in September in Graz is 6h.

UV index

In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum UV index of 5 in September translates into the following recommendations:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.