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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's comfortable 16.2°C (61.2°F) to a fresh 12°C (53.6°F). Agarn experiences a mean low-temperature of 2.8°C (37°F) during September.Humidity
In September, the average relative humidity in Agarn is 83%.Rainfall
In Agarn, in September, it is raining for 16.2 days, with typically 30mm (1.18") of accumulated precipitation. In Agarn, during the entire year, the rain falls for 172.2 days and collects up to 522mm (20.55") of precipitation.Snowfall
January through June, August through December are months with snowfall in Agarn, Switzerland. In Agarn, in September, snow falls for 1.7 days, with typically accumulated 12mm (0.47") of snow. In Agarn, during the entire year, snow falls for 111 days and aggregates up to 1205mm (47.44") of snow.Daylight
In September, the average length of the day is 12h and 32min.On the first day of September, sunrise is at 06:50 and sunset at 20:08. On the last day of the month, sunrise is at 07:27 and sunset at 19:11 CEST.
Sunshine
In September, the average sunshine in Agarn is 8.2h.UV index
In Agarn, the average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in September converts into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To guard against the harmful effects of the Sun, minimize exposure during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Frequently asked questions
What is the usual temperature for Agarn in September?
What is the average humidity in September in Agarn?
How many days does it rain in September in Agarn?
How many days does it snow in September in Agarn?
What is the average length of the day in September in Agarn?
What time are sunrise and sunset in September in Agarn?
How long on average sun shines in September in Agarn?
What is the UV index intensity in September in Agarn?
Average temperature in September
Agarn, Switzerland
- Average high temperature in September: 12°C
The warmest month (with the highest average high temperature) is July (16.3°C).
The month with the lowest average high temperature is January (-2.8°C).
- Average low temperature in September: 2.8°C
The months with the highest average low temperature are July and August (5.8°C).
The coldest month (with the lowest average low temperature) is February (-11.9°C).
Average pressure in September
Agarn, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Agarn, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Agarn, Switzerland
- Average humidity in September: 83%
The month with the highest relative humidity is March (92%).
The month with the lowest relative humidity is August (80%).
Average rainfall in September
Agarn, Switzerland
- Average rainfall in September: 30mm
The wettest months (with the highest rainfall) are June and August (67mm).
The driest month (with the least rainfall) is January (23mm).
Average rainfall days in September
Agarn, Switzerland
- Average rainfall days in September: 16.2 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (6.6 days).
Average snowfall in September
Agarn, Switzerland
- Average snowfall in September: 12mm
The month with the highest snowfall is March (199mm).
The month with the least snowfall is July (0mm).
Average snowfall days in September
Agarn, Switzerland
- Average snowfall days in September: 1.7 days
The months with the highest number of snowfall days are January and March (18.1 days).
The month with the least snowfall days is July (0.1 days).
Average daylight in September /
Average sunshine in September
Agarn, Switzerland
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 1min
The months with the most sunshine are July and August (Average sunshine: 9h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Agarn, Switzerland
- Average sunshine days in September: 8.4 days
The month with the most sunshine days is October (15.2 days).
The month with the least sunshine days is July (3.8 days).
Average UV index in September
Agarn, Switzerland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, February, March, April and November (UV index 1).
Average cloud cover in September
Agarn, Switzerland
- Average cloud cover in September: 44
The month with the most cloud cover is March (Cloud cover 57).
The month with the least cloud cover is October (Cloud cover 40).
Average visibility in September
Agarn, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).
Agarn, Switzerland
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