September weather forecast
Schaffhausen, Switzerland

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Weather in September

September heralds the beginning of autumn, an attractive season marked by falling leaves and moderate temperatures. There is no snowfall in September, a clear indication of autumn's arrival. Residents begin to feel the cool winds of autumn, replacing the earlier summer heat. The amount of sunshine hours decreases, adding to the comfortable climate of Schaffhausen. As October arrives, the city prepares to embrace the colder months of the year.

Temperature

The beginning of September brings a minor change in the average high-temperature, shifting from a warm 23.3°C (73.9°F) in August to a comfortable 18.6°C (65.5°F). Throughout September, the average low-temperature in Schaffhausen records at a frosty 7.9°C (46.2°F).

Humidity

The average relative humidity in September in Schaffhausen is 82%.

Rainfall

In Schaffhausen, during September, the rain falls for 13.7 days and regularly aggregates up to 31mm (1.22") of precipitation. Throughout the year, in Schaffhausen, there are 177.1 rainfall days, and 516mm (20.31") of precipitation is accumulated.

Snowfall

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

Daylight

The average length of the day in September is 12h and 34min.
On the first day of September, sunrise is at 06:44 and sunset at 20:05. On the last day of the month, sunrise is at 07:23 and sunset at 19:06 CEST.

Sunshine

In September, the average sunshine in Schaffhausen is 8.7h.

UV index

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: The daily high UV index of 4 in September translates into this advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.

Frequently asked questions

What is the usual temperature for Schaffhausen in September?

In September, in Schaffhausen, the average high-temperature is 18.6°C (65.5°F), and the average low-temperature is 7.9°C (46.2°F).

What is the average humidity in September in Schaffhausen?

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

How much does it rain in Schaffhausen in September?

In Schaffhausen, during September, the rain falls for 13.7 days and regularly aggregates up to 31mm (1.22") of precipitation.

When it does not snow in Schaffhausen?

June through September are months without snowfall.

Does it snow in Schaffhausen in September?

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

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

The average day length in September in Schaffhausen is 12h and 34min.

When is the sunrise / sunset in September in Schaffhausen?

On the first day of September, sunrise is at 06:44 and sunset at 20:05. On the last day of the month, sunrise is at 07:23 and sunset at 19:06 CEST.

How long on average sun shines in September in Schaffhausen?

The average sunshine duration in September in Schaffhausen, Switzerland, is 8.7h.

What is the UV index reading in September in Schaffhausen?

In September, the average daily maximum UV index in Schaffhausen is 4. A UV Index 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
Schaffhausen, Switzerland

Average temperature in September - Schaffhausen, Switzerland
  • Average high temperature in September: 18.6°C

The warmest month (with the highest average high temperature) is July (23.6°C).
The month with the lowest average high temperature is January (2.6°C).

  • Average low temperature in September: 7.9°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-3.4°C).

Average pressure in September
Schaffhausen, Switzerland

Average pressure in September - Schaffhausen, Switzerland
  • Average pressure in September: 1018.7mbar

The month with the highest atmospheric pressure is December (1020.6mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).

Average wind speed in September
Schaffhausen, Switzerland

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

The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).

Average humidity in September
Schaffhausen, Switzerland

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

The month with the highest relative humidity is January (90%).
The months with the lowest relative humidity are April and July (78%).

Average rainfall in September
Schaffhausen, Switzerland

Average rainfall in September - Schaffhausen, Switzerland
  • Average rainfall in September: 31mm

The wettest month (with the highest rainfall) is August (71mm).
The driest month (with the least rainfall) is January (29mm).

Average rainfall days in September
Schaffhausen, Switzerland

Average rainfall days in September - Schaffhausen, Switzerland
  • Average rainfall days in September: 13.7 days

The month with the highest number of rainy days is May (21.8 days).
The month with the least rainy days is February (10.1 days).

Average snowfall in September
Schaffhausen, Switzerland

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

The month with the highest snowfall is February (88mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Schaffhausen, Switzerland

Average snowfall days in September - Schaffhausen, Switzerland
  • Average snowfall days in September: 0.1 days

The month with the highest number of snowfall days is February (10.8 days).
The months with the least snowfall days are June, July and August (0 days).

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

Average daylight in September / Average sunshine in September - Schaffhausen, 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 30min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are July and August (Average sunshine: 10h and 6min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

Average sunshine days in September
Schaffhausen, Switzerland

Average sunshine days in September - Schaffhausen, Switzerland
  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is June (7.3 days).

Average UV index in September
Schaffhausen, Switzerland

Average UV index in September - Schaffhausen, Switzerland
  • Average UV index in September: 4

The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).

Average cloud cover in September
Schaffhausen, Switzerland

Average cloud cover in September - Schaffhausen, Switzerland
  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Schaffhausen, Switzerland

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

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

Schaffhausen, Switzerland

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