September weather forecastGuarda, Switzerland

September

Weather in September

September, the first month of the autumn in Guarda, is also a fresh month, with an average temperature varying between 12.5°C (54.5°F) and 2.2°C (36°F).

Temperature

The beginning of September brings a slight decrease in the average high-temperature, transitioning from a comfortable 16.5°C (61.7°F) in August to a cool 12.5°C (54.5°F). During the nights in September, the temperature in Guarda averages to a cold 2.2°C (36°F).

Humidity

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

Rainfall

In September, the rain falls for 15.1 days. Throughout September, 45mm (1.77") of precipitation is accumulated. In Guarda, Switzerland, during the entire year, the rain falls for 153.7 days and collects up to 689mm (27.13") of precipitation.

Snowfall

January through June, August through December are months with snowfall. In Guarda, in September, during 1.7 snowfall days, 15mm (0.59") of snow is typically accumulated. In Guarda, during the entire year, snow falls for 104 days and aggregates up to 2106mm (82.91") of snow.

Daylight

In September, the average length of the day in Guarda is 12h and 33min.
On the first day of the month, sunrise is at 06:39 and sunset at 19:58. On the last day of September, sunrise is at 07:17 and sunset at 19:01 CEST.

Sunshine

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

UV index

In Guarda, Switzerland, the average daily maximum UV index in September is 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, an average UV index of 2 transforms into the following instructions:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

In Guarda, in September, the average high-temperature is 12.5°C (54.5°F), and the average low-temperature is 2.2°C (36°F).

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

In September, in Guarda, the rain falls for 15.1 days. Throughout September, 45mm (1.77") of precipitation is accumulated.

In Guarda, in September, during 1.7 snowfall days, 15mm (0.59") of snow is typically accumulated.

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

On the first day of September, sunrise is at 06:39 and sunset at 19:58. On the last day of the month, sunrise is at 07:17 and sunset at 19:01 CEST.

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

The average daily maximum UV index in September in Guarda, Switzerland, is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Guarda, Switzerland

  • Average high temperature in September: 12.5°C

The warmest months (with the highest average high temperature) are July and August (16.5°C).
The month with the lowest average high temperature is January (-3.4°C).

  • Average low temperature in September: 2.2°C

The month with the highest average low temperature is August (5.1°C).
The coldest month (with the lowest average low temperature) is February (-13.3°C).

Average pressure in September
Guarda, Switzerland

  • Average pressure in September: 1018.4mbar

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
Guarda, Switzerland

  • Average wind speed in September: 6.5km/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 (6.4km/h).

Average humidity in September
Guarda, 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
Guarda, Switzerland

  • Average rainfall in September: 45mm

The wettest month (with the highest rainfall) is August (91mm).
The driest month (with the least rainfall) is February (37mm).

Average rainfall days in September
Guarda, Switzerland

  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is December (5 days).

Average snowfall in September
Guarda, Switzerland

  • Average snowfall in September: 15mm

The month with the highest snowfall is December (455mm).
The month with the least snowfall is July (0mm).

Average snowfall days in September
Guarda, Switzerland

  • Average snowfall days in September: 1.7 days

The month with the highest number of snowfall days is March (17.5 days).
The month with the least snowfall days is July (0 days).

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

  • Average daylight in September: 12h and 36min

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: 9h and 48min).
The months with the least sunshine are January, February and March (Average sunshine: 4h and 36min).

Average sunshine days in September
Guarda, Switzerland

  • Average sunshine days in September: 12 days

The month with the most sunshine days is October (15 days).
The month with the least sunshine days is May (6.2 days).

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

Average cloud cover in September
Guarda, Switzerland

  • Average cloud cover in September: 44

The month with the most cloud cover is March (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 43).

Average visibility in September
Guarda, Switzerland

  • Average visibility in September: 7km

The month with the highest visibility is July (8km).
The months with the lowest visibility are January and March (5km).