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
In September, the average high-temperature marginally drops from an enjoyable 17.3°C (63.1°F) in August to a mild 13.2°C (55.8°F). Throughout September nights, Olivone experiences a consistent temperature average of 3.9°C (39°F).Humidity
The average relative humidity in September is 84%.Rainfall
In Olivone, in September, during 16.1 rainfall days, 38mm (1.5") of precipitation is typically accumulated. In Olivone, during the entire year, the rain falls for 170.7 days and collects up to 698mm (27.48") of precipitation.Snowfall
In Olivone, snow does not fall in June through September.Daylight
In Olivone, the average length of the day in September is 12h and 33min.On the first day of the month, sunrise is at 06:44 and sunset at 20:03. On the last day of September, in Olivone, Switzerland, sunrise is at 07:22 and sunset at 19:05 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in September translates into this advice:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Olivone?
What is the average humidity in September in Olivone?
How much does it rain in Olivone in September?
When it does not snow in Olivone?
Does it snow in Olivone in September?
What is the average length of the day in September in Olivone?
What time are sunrise and sunset in September in Olivone?
How long on average sun shines in September in Olivone?
What is the UV index intensity in September in Olivone?
Average temperature in September
Olivone, Switzerland
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (-2.6°C).
- Average low temperature in September: 3.9°C
The months with the highest average low temperature are July and August (6.3°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure in September
Olivone, 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 (1015.4mbar).
Average wind speed in September
Olivone, Switzerland
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is November (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Olivone, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is July (81%).
Average rainfall in September
Olivone, Switzerland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (100mm).
The driest months (with the least rainfall) are January and February (32mm).
Average rainfall days in September
Olivone, Switzerland
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Olivone, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (326mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Olivone, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Olivone, Switzerland
- Average daylight in September: 12h and 3min
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 12min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Olivone, Switzerland
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (4.4 days).
Average UV index in September
Olivone, 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 and February (UV index 1).
Average cloud cover in September
Olivone, Switzerland
- Average cloud cover in September: 45
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Olivone, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July and August (8km).
The month with the lowest visibility is January (5km).
