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 arrival of September suggests a slight decrease in the average high-temperature, moving from a refreshing 18.8°C (65.8°F) in August to a moderate 14.7°C (58.5°F). During the month of September, the temperature falls to an average of 5.5°C (41.9°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Attinghausen, during September, the rain falls for 18.3 days and regularly aggregates up to 72mm (2.83") of precipitation. Throughout the year, in Attinghausen, there are 216.7 rainfall days, and 1294mm (50.94") of precipitation is accumulated.Snowfall
In Attinghausen, Switzerland, snow does not fall in June through September.Daylight
In Attinghausen, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 06:45 and sunset at 20:04. On the last day of the month, sunrise is at 07:23 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September is 8.8h.UV index
In Attinghausen, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: In September, the maximum UV index of 3 suggests this advice:
Prioritize safety - Suggestions to prevent sun damage are offered. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Attinghausen in September?
What is the average humidity in September in Attinghausen?
How many days does it rain in September in Attinghausen?
When it does not snow in Attinghausen?
Does it snow in Attinghausen in September?
How many hours of daylight does Attinghausen have in September?
When is the sunrise / sunset in September in Attinghausen?
How many hours of sunshine does Attinghausen have in September?
How high is the UV index in September in Attinghausen?
Average temperature in September
Attinghausen, Switzerland
- Average high temperature in September: 14.7°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in September: 5.5°C
The month with the highest average low temperature is August (8.8°C).
The coldest month (with the lowest average low temperature) is February (-8°C).
Average pressure in September
Attinghausen, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Attinghausen, Switzerland
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is December (8km/h).
The calmest month (with the lowest average wind speed) is August (5.7km/h).
Average humidity in September
Attinghausen, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (80%).
Average rainfall in September
Attinghausen, Switzerland
- Average rainfall in September: 72mm
The wettest month (with the highest rainfall) is August (166mm).
The driest month (with the least rainfall) is February (70mm).
Average rainfall days in September
Attinghausen, Switzerland
- Average rainfall days in September: 18.3 days
The month with the highest number of rainy days is July (24.1 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Attinghausen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (232mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Attinghausen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Attinghausen, Switzerland
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in September
Attinghausen, Switzerland
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is July (4.4 days).
Average UV index in September
Attinghausen, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January and November (UV index 1).
Average cloud cover in September
Attinghausen, Switzerland
- Average cloud cover in September: 38
The months with the most cloud cover are February, March and May (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 37).
Average visibility in September
Attinghausen, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are April, May, June, July, August, October, November and December (8km).
The months with the lowest visibility are January, February, March and September (7km).
