September weather forecast
Gwatt, Switzerland

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Weather in September

The first month of the autumn, September, is still a refreshing month in Gwatt, Switzerland, with an average temperature ranging between min 5.5°C (41.9°F) and max 15.6°C (60.1°F).

Temperature

A mild drop in Gwatt's average high-temperature is observed in September, transitioning from a comfortable 19.9°C (67.8°F) in August to a mild 15.6°C (60.1°F). During the month of September, an average low-temperature of 5.5°C (41.9°F) is recorded.

Humidity

In September, the average relative humidity is 82%.

Rainfall

September is the month with the least rainfall in Gwatt. Rain falls for 15.9 days and accumulates 53mm (2.09") of precipitation.

Snowfall

In Gwatt, Switzerland, snow does not fall in June through September.

Daylight

In Gwatt, the average length of the day in September is 12h and 33min.
On the first day of the month, sunrise is at 06:49 and sunset at 20:08. On the last day of September, sunrise is at 07:27 and sunset at 19:11 CEST.

Sunshine

In September, the average sunshine is 8.7h.

UV index

The average daily maximum UV index in September in Gwatt is 3. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum daily UV index, 3 in September, converts into the following recommendations:
Undertake precautions - Guarding against sun damage is counselled. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized.

Frequently asked questions

What is the temperature in September in Gwatt?

The high-temperature, in September, in Gwatt, is 15.6°C (60.1°F), while the low-temperature averages to 5.5°C (41.9°F).

What is the average humidity in September in Gwatt?

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

What is the driest month in Gwatt?

September is the month with the least rainfall. Rain falls for 15.9 days and accumulates 53mm (2.09") of precipitation.

How much does it rain in Gwatt in September?

In Gwatt, during September, the rain falls for 15.9 days and regularly aggregates up to 53mm (2.09") of precipitation.

When it does not snow in Gwatt?

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

Does it snow in Gwatt in September?

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

What is the average length of the day in September in Gwatt?

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

When is the sunrise / sunset in September in Gwatt?

In September, on the first day of the month, sunrise is at 06:49 and sunset at 20:08. On the last day of the month, in Gwatt, Switzerland, sunrise is at 07:27 and sunset at 19:11 CEST.

How many hours of sunshine does Gwatt have in September?

In September, the average sunshine duration in Gwatt, Switzerland, is 8.7h.

What is the UV index intensity in September in Gwatt?

The average daily maximum UV index in September in Gwatt is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
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
Gwatt, Switzerland

Average temperature in September - Gwatt, Switzerland
  • Average high temperature in September: 15.6°C

The warmest month (with the highest average high temperature) is July (20.1°C).
The month with the lowest average high temperature is January (0.8°C).

  • Average low temperature in September: 5.5°C

The month with the highest average low temperature is July (9.3°C).
The coldest month (with the lowest average low temperature) is February (-7°C).

Average pressure in September
Gwatt, Switzerland

Average pressure in September - Gwatt, Switzerland
  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).

Average wind speed in September
Gwatt, Switzerland

Average wind speed in September - Gwatt, Switzerland
  • Average wind speed in September: 6.3km/h

The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).

Average humidity in September
Gwatt, Switzerland

Average humidity in September - Gwatt, Switzerland
  • Average humidity in September: 82%

The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (79%).

Average rainfall in September
Gwatt, Switzerland

Average rainfall in September - Gwatt, Switzerland
  • Average rainfall in September: 53mm

The wettest month (with the highest rainfall) is May (117mm).
The driest month (with the least rainfall) is September (53mm).

Average rainfall days in September
Gwatt, Switzerland

Average rainfall days in September - Gwatt, Switzerland
  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (11.8 days).

Average snowfall in September
Gwatt, Switzerland

Average snowfall in September - Gwatt, Switzerland
  • Average snowfall in September: 0mm

The month with the highest snowfall is December (208mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Gwatt, Switzerland

Average snowfall days in September - Gwatt, Switzerland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (11.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Gwatt, Switzerland
  • Average daylight in September: 12h and 4min

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: 5h and 18min).

Average sunshine days in September
Gwatt, Switzerland

Average sunshine days in September - Gwatt, Switzerland
  • Average sunshine days in September: 10.6 days

The month with the most sunshine days is October (14.8 days).
The month with the least sunshine days is May (6.8 days).

Average UV index in September
Gwatt, Switzerland

Average UV index in September - Gwatt, Switzerland
  • Average UV index in September: 3

The months with the highest UV index are June, July and August (UV index 4).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).

Average cloud cover in September
Gwatt, Switzerland

Average cloud cover in September - Gwatt, Switzerland
  • Average cloud cover in September: 37

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 35).

Average visibility in September
Gwatt, Switzerland

Average visibility in September - Gwatt, Switzerland
  • Average visibility in September: 8km

The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (8km).
The month with the lowest visibility is February (7km).

Gwatt, Switzerland

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