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
September marks a gentle change in average high-temperature, declining from August's refreshing 19°C (66.2°F) to a moderate 14.6°C (58.3°F). Nighttime temperature in Vättis experiences an average drop to a cold 3.7°C (38.7°F) in September.Humidity
In September, the average relative humidity is 81%.Rainfall
In Vättis, in September, it is raining for 17.5 days, with typically 62mm (2.44") of accumulated precipitation. Throughout the year, in Vättis, Switzerland, there are 211.5 rainfall days, and 1072mm (42.2") of precipitation is accumulated.Snowfall
In Vättis, snow does not fall in June through September.Daylight
In Vättis, Switzerland, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:42 and sunset at 20:01. On the last day of September, in Vättis, Switzerland, sunrise is at 07:20 and sunset at 19:03 CEST.
Sunshine
In Vättis, the average sunshine in September is 9h.UV index
The average daily maximum UV index in September in Vättis is 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vättis in September?
What is the average humidity in September in Vättis?
How much does it rain in Vättis in September?
When it does not snow in Vättis?
Does it snow in Vättis in September?
How many hours of daylight does Vättis have in September?
When are sunrise and sunset in September in Vättis?
How many hours of sunshine does Vättis have in September?
What is the UV index reading in September in Vättis?
Average temperature in September
Vättis, Switzerland
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is August (19°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 3.7°C
The month with the highest average low temperature is August (7.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in September
Vättis, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Vättis, Switzerland
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Vättis, Switzerland
- Average humidity in September: 81%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Vättis, Switzerland
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is August (133mm).
The driest month (with the least rainfall) is February (61mm).
Average rainfall days in September
Vättis, Switzerland
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall in September
Vättis, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (320mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Vättis, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Vättis, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Vättis, Switzerland
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (3.8 days).
Average UV index in September
Vättis, 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
Vättis, Switzerland
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 37).
Average visibility in September
Vättis, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are May, June, July, August, October and November (8km).
The month with the lowest visibility is January (6km).
