September weather forecastGastern, Austria
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Gastern, Austria, with an average temperature varying between 18.4°C (65.1°F) and 8.8°C (47.8°F).Temperature
Gastern in September demonstrates a small temperature transition, adjusting from an average high of a moderately hot 23.8°C (74.8°F) in August to a comfortable 18.4°C (65.1°F). In the month of September, the nighttime temperature dips to a steady average of 8.8°C (47.8°F).Humidity
In September, the average relative humidity in Gastern is 77%.Rainfall
In Gastern, in September, it is raining for 11.4 days, with typically 29mm (1.14") of accumulated precipitation. Throughout the year, in Gastern, there are 146.4 rainfall days, and 499mm (19.65") of precipitation is accumulated.Snowfall
In Gastern, Austria, snow does not fall in June through September.Daylight
The average length of the day in September in Gastern is 12h and 35min.On the first day of the month, sunrise is at 06:16 and sunset at 19:41. On the last day of September, in Gastern, sunrise is at 06:57 and sunset at 18:39 CEST.
Sunshine
In September, the average sunshine is 8.8h.UV index
In Gastern, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gastern, Austria
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (23.8°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 8.8°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-4.6°C).
Average pressure in September
Gastern, Austria
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1019.7mbar).
The months with the lowest atmospheric pressure are May and June (1015.6mbar).
Average wind speed in September
Gastern, Austria
- Average wind speed in September: 10.5km/h
The windiest month (with the highest average wind speed) is January (14km/h).
The calmest month (with the lowest average wind speed) is August (9.3km/h).
Average humidity in September
Gastern, Austria
- Average humidity in September: 77%
The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is April (72%).
Average rainfall in September
Gastern, Austria
- Average rainfall in September: 29mm
The wettest month (with the highest rainfall) is June (79mm).
The driest month (with the least rainfall) is November (20mm).
Average rainfall days in September
Gastern, Austria
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (6.8 days).
Average snowfall in September
Gastern, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (189mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gastern, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gastern, Austria
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
- Average sunshine in September: 8h and 48min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
Gastern, Austria
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is June (8 days).
Average UV index in September
Gastern, Austria
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 2).
Average cloud cover in September
Gastern, Austria
- Average cloud cover in September: 39
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Gastern, Austria
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June, July, August, September and October (9km).
The month with the lowest visibility is January (7km).
