September weather forecastOlivone, Switzerland

September

Weather in September

The first month of the autumn, September, is still a mild month in Olivone, Switzerland, with temperature in the range of an average high of 13.2°C (55.8°F) and an average low of 3.9°C (39°F).

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.

Updated: Feb 4, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in September, in Olivone, is 13.2°C (55.8°F), while the average low-temperature is 3.9°C (39°F).

The average relative humidity in September is 84%.

In Olivone, Switzerland, in September, during 16.1 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

In Olivone, snow does not fall in June through September.

In Olivone, in September, it doesn't snow. In October, it regularly snows.

In September, the average day length in Olivone, Switzerland, is 12h and 33min.

In September, on the first day of the month, sunrise is at 06:44 and sunset at 20:03. On the last day of the month, in Olivone, sunrise is at 07:22 and sunset at 19:05 CEST.

In Olivone, Switzerland, the average sunshine duration in September is 8.6h.

In September, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

17.3°C

13.2°C

8.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.5km/h

6.7km/h

8.6km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

5.7

11.3

16.7

Average UV index

Average cloud cover

Average visibility

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 30min

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 36min

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).