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 commencement of September involves a temperature shift, with the average high-temperature dropping from a warm 24.3°C (75.7°F) in August to an enjoyable 18.5°C (65.3°F). Throughout September, the nighttime temperature averages to a chilly 8.2°C (46.8°F).Humidity
In September, the average relative humidity is 80%.Rainfall
In Gratkorn, in September, during 14.6 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, in Gratkorn, there are 160.4 rainfall days, and 601mm (23.66") of precipitation is accumulated.Snowfall
In Gratkorn, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of September in Gratkorn, sunrise is at 06:18 and sunset at 19:38. On the last day of the month, sunrise is at 06:56 and sunset at 18:40 CEST.
Sunshine
The average sunshine in September is 9.1h.UV index
In Gratkorn, Austria, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Heed the precautions - Suggestions to avoid sunburn are made. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Gratkorn in September?
What is the average humidity in September in Gratkorn?
How many days does it rain in September in Gratkorn?
When it does not snow in Gratkorn?
Does it snow in Gratkorn in September?
What is the average length of the day in September in Gratkorn?
When is the sunrise / sunset in September in Gratkorn?
How many hours of sunshine does Gratkorn have in September?
How high is the UV index in September in Gratkorn?
Average temperature in September
Gratkorn, Austria
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is July (24.4°C).
The month with the lowest average high temperature is January (1.9°C).
- Average low temperature in September: 8.2°C
The month with the highest average low temperature is July (11.9°C).
The coldest month (with the lowest average low temperature) is January (-4.5°C).
Average pressure in September
Gratkorn, Austria
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.6mbar).
The month with the lowest atmospheric pressure is May (1015.3mbar).
Average wind speed in September
Gratkorn, Austria
- Average wind speed in September: 5.6km/h
The windiest month (with the highest average wind speed) is May (7km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in September
Gratkorn, Austria
- Average humidity in September: 80%
The months with the highest relative humidity are January and November (86%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Gratkorn, Austria
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is July (104mm).
The driest month (with the least rainfall) is January (20mm).
Average rainfall days in September
Gratkorn, Austria
- Average rainfall days in September: 14.6 days
The month with the highest number of rainy days is May (21.4 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Gratkorn, Austria
- Average snowfall in September: 0mm
The month with the highest snowfall is February (176mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Gratkorn, Austria
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (14.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Gratkorn, 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 36min).
- Average sunshine in September: 9h and 1min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Gratkorn, Austria
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is July (6.3 days).
Average UV index in September
Gratkorn, Austria
- Average UV index in September: 3
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
Gratkorn, Austria
- Average cloud cover in September: 39
The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are July and August (Cloud cover 31).
Average visibility in September
Gratkorn, Austria
- Average visibility in September: 8km
The months with the highest visibility are March, April, June and July (9km).
The months with the lowest visibility are January, February and November (7km).
