September weather forecastChandolin, Switzerland

September

Weather in September

The first month of the autumn, September, is also a fresh month in Chandolin, Switzerland, with an average temperature fluctuating between 12.3°C (54.1°F) and 3.3°C (37.9°F).

Temperature

September brings a slight decrease in temperature, down from an enjoyable 16.4°C (61.5°F) in August to a fresh 12.3°C (54.1°F). September brings Chandolin a consistent average low-temperature of 3.3°C (37.9°F).

Humidity

In Chandolin, Switzerland, the average relative humidity in September is 82%.

Rainfall

The months with the least rainfall in Chandolin, Switzerland, are September and October Rain falls for 16.5 days and accumulates 54mm (2.13") of rain.

Snowfall

January through December are months with snowfall. In Chandolin, Switzerland, in September, snow falls for 2.1 days, with typically accumulated 36mm (1.42") of snow. In Chandolin, Switzerland, during the entire year, snow falls for 129 days and aggregates up to 4010mm (157.87") of snow.

Daylight

The average length of the day in September is 12h and 32min.
On the first day of the month, sunrise is at 06:50 and sunset at 20:08. On the last day of September, sunrise is at 07:27 and sunset at 19:11 CEST.

Sunshine

The average sunshine in September in Chandolin, Switzerland, is 8.1h.

UV index

In Chandolin, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: An average maximum UV index of 3 in September leads to these recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

An average high-temperature, in September, in Chandolin, is 12.3°C (54.1°F) and the average low-temperature is 3.3°C (37.9°F).

In September, the average relative humidity in Chandolin, Switzerland, is 82%.

September and October are months with the least rain in Chandolin, Switzerland, when the rain falls for 16.5 days and typically aggregates up to 54mm (2.13") of rain.

In Chandolin, in September, during 16.5 rainfall days, 54mm (2.13") of precipitation is typically accumulated.

In Chandolin, Switzerland, in September, during 2.1 snowfall days, 36mm (1.42") of snow is typically accumulated.

The average day length in September in Chandolin is 12h and 32min.

On the first day of September in Chandolin, Switzerland, sunrise is at 06:50 and sunset at 20:08. On the last day of the month, sunrise is at 07:27 and sunset at 19:11 CEST.

In September, the average sunshine duration in Chandolin, Switzerland, is 8.1h.

In Chandolin, Switzerland, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Chandolin, Switzerland

  • Average high temperature in September: 12.3°C

The warmest month (with the highest average high temperature) is July (16.5°C).
The month with the lowest average high temperature is January (-2.6°C).

  • Average low temperature in September: 3.3°C

The month with the highest average low temperature is August (6.4°C).
The coldest month (with the lowest average low temperature) is February (-11.3°C).

Average pressure in September
Chandolin, 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 (1015.2mbar).

Average wind speed in September
Chandolin, Switzerland

  • Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is December (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).

Average humidity in September
Chandolin, Switzerland

  • Average humidity in September: 82%

The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (79%).

Average rainfall in September
Chandolin, Switzerland

  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is May (126mm).
The driest months (with the least rainfall) are September and October (54mm).

Average rainfall days in September
Chandolin, Switzerland

  • Average rainfall days in September: 16.5 days

The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is February (5.3 days).

Average snowfall in September
Chandolin, Switzerland

  • Average snowfall in September: 36mm

The month with the highest snowfall is December (887mm).
The month with the least snowfall is July (5mm).

Average snowfall days in September
Chandolin, Switzerland

  • Average snowfall days in September: 2.1 days

The month with the highest number of snowfall days is March (21.1 days).
The month with the least snowfall days is August (0.4 days).

Average daylight in September /
Average sunshine in September
Chandolin, Switzerland

  • Average daylight in September: 12h and 30min

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 6min

The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Chandolin, Switzerland

  • Average sunshine days in September: 9.7 days

The month with the most sunshine days is October (15.4 days).
The month with the least sunshine days is May (4.2 days).

Average UV index in September
Chandolin, 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, March, April and November (UV index 1).

Average cloud cover in September
Chandolin, Switzerland

  • Average cloud cover in September: 43

The month with the most cloud cover is March (Cloud cover 56).
The month with the least cloud cover is October (Cloud cover 38).

Average visibility in September
Chandolin, Switzerland

  • Average visibility in September: 7km

The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February and March (6km).