Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The beginning of September marks a decrease in the average high-temperature, transitioning from an agreeable 20.6°C (69.1°F) in August to a mild 15.2°C (59.4°F). During September, Irdning experiences an average low-temperature of 4.8°C (40.6°F) at night.Humidity
In Irdning, the average relative humidity in September is 84%.Rainfall
In Irdning, in September, it is raining for 16.5 days, with typically 82mm (3.23") of accumulated precipitation. Throughout the year, there are 184.7 rainfall days, and 1027mm (40.43") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 06:23 and sunset at 19:43. On the last day of September, sunrise is at 07:01 and sunset at 18:44 CEST.
Sunshine
In Irdning, Austria, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 3 in September translates into this advice:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Irdning?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Irdning have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September in Irdning?
Average temperature in September
Irdning, Austria
- Average high temperature in September: 15.2°C
The warmest month (with the highest average high temperature) is August (20.6°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in September: 4.8°C
The months with the highest average low temperature are July and August (7.8°C).
The coldest month (with the lowest average low temperature) is February (-8°C).
Average pressure in September
Irdning, Austria
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is May (1015.5mbar).
Average wind speed in September
Irdning, Austria
- Average wind speed in September: 6.2km/h
The windiest months (with the highest average wind speed) are February and December (7.9km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Irdning, Austria
- Average humidity in September: 84%
The month with the highest relative humidity is February (93%).
The month with the lowest relative humidity is August (79%).
Average rainfall in September
Irdning, Austria
- Average rainfall in September: 82mm
The wettest month (with the highest rainfall) is July (125mm).
The driest month (with the least rainfall) is April (51mm).
Average rainfall days in September
Irdning, Austria
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is May (23.3 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in September
Irdning, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (434mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Irdning, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Irdning, Austria
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 3h and 30min).
Average sunshine days in September
Irdning, Austria
- Average sunshine days in September: 10.5 days
The month with the most sunshine days is October (15.4 days).
The months with the least sunshine days are May and June (5.8 days).
Average UV index in September
Irdning, Austria
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Irdning, Austria
- Average cloud cover in September: 50
The month with the most cloud cover is February (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Irdning, Austria
- Average visibility in September: 7km
The months with the highest visibility are June and August (8km).
The months with the lowest visibility are January and February (5km).
