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
September's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from August's enjoyable 19.2°C (66.6°F) to a moderate 15.1°C (59.2°F). In Champéry, an average low-temperature of 4.9°C (40.8°F) is recorded during September nights.Humidity
In September, the average relative humidity is 80%.Rainfall
The month with the least rainfall in Champéry is September, when the rain falls for 12.4 days and typically collects 34mm (1.34") of precipitation.Snowfall
In Champéry, snow does not fall in June through September.Daylight
In September, the average length of the day in Champéry is 12h and 32min.On the first day of September in Champéry, Switzerland, sunrise is at 06:53 and sunset at 20:11. On the last day of the month, sunrise is at 07:30 and sunset at 19:14 CEST.
Sunshine
In Champéry, Switzerland, the average sunshine in September is 8.8h.UV index
In Champéry, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: A typical high UV index of 3 in September suggests the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Frequently asked questions
What is the usual temperature for Champéry in September?
What is the average humidity in September in Champéry?
What is the driest month in Champéry?
How much does it rain in Champéry in September?
When it does not snow in Champéry?
Does it snow in Champéry in September?
How many hours of daylight does Champéry have in September?
When is the sunrise / sunset in September in Champéry?
How long on average sun shines in September in Champéry?
What is the UV index reading in September in Champéry?
Average temperature in September
Champéry, Switzerland
- Average high temperature in September: 15.1°C
The warmest month (with the highest average high temperature) is August (19.2°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in September: 4.9°C
The month with the highest average low temperature is July (8°C).
The coldest month (with the lowest average low temperature) is February (-9°C).
Average pressure in September
Champéry, 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
Champéry, Switzerland
- Average wind speed in September: 6.7km/h
The windiest month (with the highest average wind speed) is December (8.8km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Champéry, Switzerland
- Average humidity in September: 80%
The months with the highest relative humidity are February and March (88%).
The months with the lowest relative humidity are July, August and October (78%).
Average rainfall in September
Champéry, Switzerland
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is December (107mm).
The driest month (with the least rainfall) is September (34mm).
Average rainfall days in September
Champéry, Switzerland
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is February (7.8 days).
Average snowfall in September
Champéry, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (431mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Champéry, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Champéry, 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 5min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 18min).
Average sunshine days in September
Champéry, Switzerland
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is May (8.9 days).
Average UV index in September
Champéry, Switzerland
- Average UV index in September: 3
The months with the highest UV index are June and July (UV index 4).
The month with the lowest UV index is February (UV index 1).
Average cloud cover in September
Champéry, Switzerland
- Average cloud cover in September: 34
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Champéry, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January and February (7km).
Champéry, Switzerland
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