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
Weather in September
Temperature
The commencement of September involves a temperature shift, with the average high-temperature dropping from a warm 26.3°C (79.3°F) in August to an agreeable 20.5°C (68.9°F). In Kollnbrunn, an average temperature of 11.3°C (52.3°F) is noted during September nights.Humidity
The average relative humidity in September is 69%.Rainfall
In Kollnbrunn, in September, it is raining for 11.1 days, with typically 31mm (1.22") of accumulated precipitation. Throughout the year, in Kollnbrunn, Austria, there are 137.9 rainfall days, and 400mm (15.75") of precipitation is accumulated.Snowfall
In Kollnbrunn, snow does not fall in May through October.Daylight
The average length of the day in September in Kollnbrunn is 12h and 35min.On the first day of the month, sunrise is at 06:11 and sunset at 19:35. On the last day of September, sunrise is at 06:52 and sunset at 18:34 CEST.
Sunshine
The average sunshine in September in Kollnbrunn, Austria, is 9.3h.UV index
In Kollnbrunn, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In September, the maximum UV index of 4 transforms into these recommendations:
Guard yourself - Avoiding sunburn is suggested. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.
Frequently asked questions
What is the usual temperature for Kollnbrunn in September?
What is the average humidity in September in Kollnbrunn?
How many days does it rain in September in Kollnbrunn?
When it does not snow in Kollnbrunn?
How many hours of daylight does Kollnbrunn have in September?
When are sunrise and sunset in September in Kollnbrunn?
How long on average sun shines in September in Kollnbrunn?
What is the UV index intensity in September in Kollnbrunn?
Average temperature in September
Kollnbrunn, Austria
- Average high temperature in September: 20.5°C
The warmest months (with the highest average high temperature) are July and August (26.3°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (15.3°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in September
Kollnbrunn, Austria
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1019.9mbar).
The month with the lowest atmospheric pressure is June (1015.1mbar).
Average wind speed in September
Kollnbrunn, Austria
- Average wind speed in September: 11km/h
The windiest month (with the highest average wind speed) is February (14.6km/h).
The calmest month (with the lowest average wind speed) is August (10km/h).
Average humidity in September
Kollnbrunn, Austria
- Average humidity in September: 69%
The month with the highest relative humidity is January (86%).
The month with the lowest relative humidity is August (64%).
Average rainfall in September
Kollnbrunn, Austria
- Average rainfall in September: 31mm
The wettest months (with the highest rainfall) are May and June (61mm).
The driest months (with the least rainfall) are February and April (22mm).
Average rainfall days in September
Kollnbrunn, Austria
- Average rainfall days in September: 11.1 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Kollnbrunn, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is January (73mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Kollnbrunn, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Kollnbrunn, Austria
- Average daylight in September: 12h and 4min
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: 9h and 2min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in September
Kollnbrunn, Austria
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in September
Kollnbrunn, Austria
- Average UV index in September: 4
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Kollnbrunn, Austria
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 26).
Average visibility in September
Kollnbrunn, Austria
- Average visibility in September: 10km
The months with the highest visibility are July, August and September (10km).
The month with the lowest visibility is January (8km).
Kollnbrunn, Austria
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