September weather forecast
Campocologno, Switzerland

September

Weather in September

The first month of the autumn, September, is still a cool month in Campocologno, Switzerland, with temperature in the range of an average low of 2.8°C (37°F) and an average high of 11.2°C (52.2°F).

Temperature

A subtle shift in Campocologno's weather is observed as August turns into September, with the average high temperature reducing from a mild 15.6°C (60.1°F) to a cool 11.2°C (52.2°F). The low-temperature average for Campocologno during September stands at an icy 2.8°C (37°F).

Humidity

In September, the average relative humidity in Campocologno is 84%.

Rainfall

In Campocologno, in September, during 20.7 rainfall days, 94mm (3.7") of precipitation is typically accumulated. Throughout the year, in Campocologno, there are 199 rainfall days, and 1288mm (50.71") of precipitation is accumulated.

Snowfall

Months with snowfall in Campocologno are January through June, September through December. September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 39mm (1.54") of snow. Throughout the year, there are 106.9 snowfall days, and 3343mm (131.61") of snow is accumulated.

Daylight

The average length of the day in September in Campocologno, Switzerland, is 12h and 32min.
On the first day of September in Campocologno, sunrise is at 06:40 and sunset at 19:58. On the last day of the month, sunrise is at 07:17 and sunset at 19:01 CEST.

Sunshine

The average sunshine in September in Campocologno is 8.2h.

UV index

June through September, with an average maximum UV index of 3, are months with the highest UV index in Campocologno. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In September, the maximum UV index of 3 suggests this advice:
Put precautions into practice - Ensuring skin and eye safety is a necessity. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.

Frequently asked questions

What is the temperature in September in Campocologno?
September temperatures vary between a high-temperature of 11.2°C (52.2°F) and a low-temperature of 2.8°C (37°F).
What is the average humidity in September in Campocologno?
The average relative humidity in September in Campocologno is 84%.
How many days does it rain in September in Campocologno?
In Campocologno, during September, the rain falls for 20.7 days and regularly aggregates up to 94mm (3.7") of precipitation.
When does it start to snow in Campocologno?
September is the first month it typically snows. Throughout September, in the average 0.8 snowfall days, it receives 39mm (1.54") of snow.
What is the average length of the day in September in Campocologno?
The average day length in September is 12h and 32min.
When is the sunrise / sunset in September in Campocologno?
In September, on the first day of the month, sunrise is at 06:40 and sunset at 19:58. On the last day of the month, in Campocologno, sunrise is at 07:17 and sunset at 19:01 CEST.
How many hours of sunshine does Campocologno have in September?
In September, the average sunshine duration in Campocologno is 8.2h.
When is the highest UV index in Campocologno?
June through September, with an average maximum UV index of 3, are months with the highest UV index in Campocologno.
What is the UV index reading in September in Campocologno?
In Campocologno, the average daily maximum UV index in September is 3. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Campocologno, Switzerland
  • Average high temperature in September: 11.2°C

The warmest month (with the highest average high temperature) is July (15.8°C).
The month with the lowest average high temperature is January (-4.2°C).

  • Average low temperature in September: 2.8°C

The month with the highest average low temperature is August (5.9°C).
The coldest month (with the lowest average low temperature) is January (-12.5°C).

Average pressure in September
Campocologno, Switzerland
  • Average pressure in September: 1017.8mbar

The month with the highest atmospheric pressure is December (1020.5mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).

Average wind speed in September
Campocologno, Switzerland
  • Average wind speed in September: 6.8km/h

The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).

Average humidity in September
Campocologno, Switzerland
  • Average humidity in September: 84%

The month with the highest relative humidity is April (92%).
The month with the lowest relative humidity is July (81%).

Average rainfall in September
Campocologno, Switzerland
  • Average rainfall in September: 94mm

The wettest month (with the highest rainfall) is August (159mm).
The driest month (with the least rainfall) is January (54mm).

Average rainfall days in September
Campocologno, Switzerland
  • Average rainfall days in September: 20.7 days

The months with the highest number of rainy days are June and July (26.4 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in September
Campocologno, Switzerland
  • Average snowfall in September: 39mm

The month with the highest snowfall is November (750mm).
The months with the least snowfall are July and August (0mm).

Average snowfall days in September
Campocologno, Switzerland
  • Average snowfall days in September: 0.8 days

The month with the highest number of snowfall days is March (19.5 days).
The months with the least snowfall days are July and August (0 days).

Average daylight in September /
Average sunshine in September
Campocologno, 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 month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is November (Average sunshine: 4h and 24min).

Average sunshine days in September
Campocologno, Switzerland
  • Average sunshine days in September: 6.7 days

The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is June (2.3 days).

Average UV index in September
Campocologno, Switzerland
  • Average UV index in September: 3

The months with the highest UV index are June, July, August and September (UV index 3).
The months with the lowest UV index are January, February, April, October and November (UV index 1).

Average cloud cover in September
Campocologno, Switzerland
  • Average cloud cover in September: 48

The month with the most cloud cover is April (Cloud cover 59).
The month with the least cloud cover is July (Cloud cover 41).

Average visibility in September
Campocologno, Switzerland
  • Average visibility in September: 7km

The months with the highest visibility are June, July, August and December (8km).
The months with the lowest visibility are March, April and November (6km).

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