September weather forecast
Rüthi, Switzerland

September

Weather in September

September, the first month of the autumn in Rüthi, is still a refreshing month, with an average temperature ranging between min 6.8°C (44.2°F) and max 17.5°C (63.5°F).

Temperature

With the arrival of September, Rüthi notices a mild change in the average high-temperature, sliding from August's agreeable 21.9°C (71.4°F) to a refreshing 17.5°C (63.5°F). September brings with it a nighttime average temperature of 6.8°C (44.2°F).

Humidity

In Rüthi, the average relative humidity in September is 79%.

Rainfall

In September, in Rüthi, the rain falls for 13.7 days. Throughout September, 54mm (2.13") of precipitation is accumulated. In Rüthi, Switzerland, during the entire year, the rain falls for 181.9 days and collects up to 949mm (37.36") of precipitation.

Snowfall

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

Daylight

In Rüthi, the average length of the day in September is 12h and 34min.
On the first day of September in Rüthi, sunrise is at 06:41 and sunset at 20:01. On the last day of the month, sunrise is at 07:20 and sunset at 19:03 CEST.

Sunshine

In Rüthi, the average sunshine in September is 9.4h.

UV index

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 3 during September translates into these guidelines:
Be vigilant - Preventing sunburn is recommended. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

What is the usual temperature for Rüthi in September?
The high-temperature, in September, in Rüthi, is 17.5°C (63.5°F), while the low-temperature averages to 6.8°C (44.2°F).
What is the average humidity in September in Rüthi?
In Rüthi, the average relative humidity in September is 79%.
How many days does it rain in September in Rüthi?
In Rüthi, Switzerland, in September, during 13.7 rainfall days, 54mm (2.13") of precipitation is typically accumulated.
When it does not snow in Rüthi?
In Rüthi, Switzerland, snow does not fall in June through September.
Does it snow in Rüthi in September?
In Rüthi, Switzerland, in September, it doesn't snow. In October, it regularly snows.
How many hours of daylight does Rüthi have in September?
In Rüthi, the average day length in September is 12h and 34min.
What time are sunrise and sunset in September in Rüthi?
On the first day of September in Rüthi, Switzerland, sunrise is at 06:41 and sunset at 20:01. On the last day of the month, sunrise is at 07:20 and sunset at 19:03 CEST.
How many hours of sunshine does Rüthi have in September?
In Rüthi, Switzerland, the average sunshine duration in September is 9.4h.
What is the UV index reading in September in Rüthi?
In Rüthi, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Rüthi, Switzerland
  • Average high temperature in September: 17.5°C

The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (1.8°C).

  • Average low temperature in September: 6.8°C

The month with the highest average low temperature is July (10.1°C).
The coldest month (with the lowest average low temperature) is February (-6°C).

Average pressure in September
Rüthi, Switzerland
  • Average pressure in September: 1018.5mbar

The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Rüthi, Switzerland
  • Average wind speed in September: 6.4km/h

The windiest month (with the highest average wind speed) is December (7.9km/h).
The calmest months (with the lowest average wind speed) are August and September (6.4km/h).

Average humidity in September
Rüthi, Switzerland
  • Average humidity in September: 79%

The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are July and August (76%).

Average rainfall in September
Rüthi, Switzerland
  • Average rainfall in September: 54mm

The wettest month (with the highest rainfall) is August (116mm).
The driest month (with the least rainfall) is April (51mm).

Average rainfall days in September
Rüthi, Switzerland
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (20.5 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in September
Rüthi, Switzerland
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (214mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Rüthi, Switzerland
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (9.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).

  • Average sunshine in September: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

Average sunshine days in September
Rüthi, Switzerland
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is July (7.3 days).

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

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

Average cloud cover in September
Rüthi, Switzerland
  • Average cloud cover in September: 34

The months with the most cloud cover are January and February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in September
Rüthi, Switzerland
  • Average visibility in September: 8km

The months with the highest visibility are April, May, June, July, August and November (9km).
The month with the lowest visibility is January (7km).

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