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 suggests a slight decrease in the average high-temperature, moving from a comfortable 17.3°C (63.1°F) in August to a cool 12.9°C (55.2°F). During September, Jenaz observes a consistent average nighttime temperature of 2.6°C (36.7°F).Humidity
In September, the average relative humidity is 82%.Rainfall
In Jenaz, in September, it is raining for 15.9 days, with typically 51mm (2.01") of accumulated precipitation. Throughout the year, in Jenaz, there are 169.1 rainfall days, and 682mm (26.85") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall. September is the first month it typically snows in Jenaz. Throughout September, in the average 0.3 snowfall days, it receives 8mm (0.31") of snow. In Jenaz, during the entire year, snow falls for 87.8 days and aggregates up to 1391mm (54.76") of snow.Daylight
In Jenaz, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:41 and sunset at 20:00. On the last day of September, sunrise is at 07:19 and sunset at 19:02 CEST.
Sunshine
In Jenaz, the average sunshine in September is 8.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during September translates into the following guidance:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Frequently asked questions
What are September temperatures in Jenaz?
What is the average humidity in September in Jenaz?
How many days does it rain in September in Jenaz?
When does it start to snow in Jenaz?
What is the average length of the day in September in Jenaz?
When is the sunrise / sunset in September in Jenaz?
How many hours of sunshine does Jenaz have in September?
What is the UV index reading in September in Jenaz?
Average temperature in September
Jenaz, Switzerland
- Average high temperature in September: 12.9°C
The warmest month (with the highest average high temperature) is August (17.3°C).
The month with the lowest average high temperature is January (-2.7°C).
- Average low temperature in September: 2.6°C
The month with the highest average low temperature is August (5.6°C).
The coldest month (with the lowest average low temperature) is February (-12.3°C).
Average pressure in September
Jenaz, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Jenaz, Switzerland
- Average wind speed in September: 6.5km/h
The windiest month (with the highest average wind speed) is November (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Jenaz, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is July (79%).
Average rainfall in September
Jenaz, Switzerland
- Average rainfall in September: 51mm
The wettest month (with the highest rainfall) is August (99mm).
The driest month (with the least rainfall) is February (33mm).
Average rainfall days in September
Jenaz, Switzerland
- Average rainfall days in September: 15.9 days
The month with the highest number of rainy days is May (21.2 days).
The month with the least rainy days is December (6.8 days).
Average snowfall in September
Jenaz, Switzerland
- Average snowfall in September: 8mm
The month with the highest snowfall is January (280mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Jenaz, Switzerland
- Average snowfall days in September: 0.3 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Jenaz, 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 4min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The months with the least sunshine are January and February (Average sunshine: 4h and 48min).
Average sunshine days in September
Jenaz, Switzerland
- Average sunshine days in September: 9.9 days
The month with the most sunshine days is October (14.2 days).
The months with the least sunshine days are May and June (6.4 days).
Average UV index in September
Jenaz, 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, February and November (UV index 1).
Average cloud cover in September
Jenaz, Switzerland
- Average cloud cover in September: 42
The month with the most cloud cover is March (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Jenaz, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July and August (8km).
The months with the lowest visibility are January, February, March and April (6km).
Jenaz, Switzerland
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