September weather forecastLinz, Austria
September
Weather in September
September ushers in the start of autumn with mixed feelings in Linz. Temperatures start to recede, signaling that summer's warmth is beginning to ebb. The month brings with it a slight decrease in daylight hours to 12.6 hours, suggesting shorter days are on the horizon. Rainfall rises to 34mm (1.34"), yet nothing that dampens the enticing lure of Linz's beauty. The Linz weather in September, reflective of the incoming autumn, brings crisp air, cooler evenings and the early appearances of an array of autumn hues in the city’s parks.Temperature
The commencement of September indicates a shift in the average high-temperature, receding from August's moderately hot 23.4°C (74.1°F) to a refreshing 18°C (64.4°F). Nightly temperatures in Linz, Austria, drop to an average low of 8.3°C (46.9°F) in September.Humidity
In Linz, the average relative humidity in September is 81%.Rainfall
In Linz, during September, the rain falls for 11.5 days and regularly aggregates up to 34mm (1.34") of precipitation. Throughout the year, there are 154.3 rainfall days, and 526mm (20.71") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Linz.Daylight
The average length of the day in September in Linz is 12h and 35min.On the first day of September in Linz, sunrise is at 06:21 and sunset at 19:44. On the last day of the month, sunrise is at 07:01 and sunset at 18:43 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index in Linz is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Linz, Austria
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is August (23.4°C).
The month with the lowest average high temperature is January (1°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-4.2°C).
Average pressure in September
Linz, Austria
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The month with the lowest atmospheric pressure is May (1015.6mbar).
Average wind speed in September
Linz, Austria
- Average wind speed in September: 7.4km/h
The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is August (6.7km/h).
Average humidity in September
Linz, Austria
- Average humidity in September: 81%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Linz, Austria
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is June (73mm).
The driest month (with the least rainfall) is November (17mm).
Average rainfall days in September
Linz, Austria
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in September
Linz, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (118mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Linz, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Linz, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).
Average sunshine days in September
Linz, Austria
- Average sunshine days in September: 17 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (8.5 days).
Average UV index in September
Linz, Austria
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Linz, Austria
- Average cloud cover in September: 40
The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Linz, Austria
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January and February (7km).





