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

As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a warm 23°C to a delightful 20°C. In Graz, the beginning of September is marked by a marginally lowered average high-temperature, shifting from August's warm 23°C to a delightful 20°C. In the month of September, Graz records a consistent average low-temperature of 9°C.

Rainfall

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

Daylight

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

Sunshine

In September, the average sunshine is 6h.

UV index

In September, the average daily maximum UV index in Graz is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In September, a regular UV index of 5 translates into these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. Around midday, solar radiation is most harmful; hence, exposure should be limited. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.