September weather forecastBauma, Switzerland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Bauma, Switzerland, with an average temperature fluctuating between 7.4°C (45.3°F) and 17.9°C (64.2°F).

Temperature

Start of September brings a slight shift in the average high-temperature, dipping a bit from August's pleasant 22.5°C (72.5°F) to a refreshing 17.9°C (64.2°F). During the September nights, an average temperature of 7.4°C (45.3°F) is observed in Bauma.

Humidity

The average relative humidity in September is 82%.

Rainfall

In September, the rain falls for 12.7 days. Throughout September, 35mm (1.38") of precipitation is accumulated. Throughout the year, in Bauma, there are 151 rainfall days, and 623mm (24.53") of precipitation is accumulated.

Snowfall

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

Daylight

In Bauma, the average length of the day in September is 12h and 34min.
On the first day of September in Bauma, sunrise is at 06:44 and sunset at 20:04. On the last day of the month, sunrise is at 07:22 and sunset at 19:05 CEST.

Sunshine

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

UV index

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the UV index of 3 transforms into the following advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

In September, in Bauma, the average high-temperature is 17.9°C (64.2°F), and the average low-temperature is 7.4°C (45.3°F).

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

In Bauma, Switzerland, during September, the rain falls for 12.7 days and regularly aggregates up to 35mm (1.38") of precipitation.

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

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

In Bauma, the average day length in September is 12h and 34min.

On the first day of September in Bauma, sunrise is at 06:44 and sunset at 20:04. On the last day of the month, sunrise is at 07:22 and sunset at 19:05 CEST.

The average sunshine duration in September is 8.7h.

In Bauma, Switzerland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from 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
Bauma, Switzerland

  • Average high temperature in September: 17.9°C

The warmest months (with the highest average high temperature) are July and August (22.5°C).
The month with the lowest average high temperature is January (2.2°C).

  • Average low temperature in September: 7.4°C

The month with the highest average low temperature is August (11.1°C).
The coldest months (with the lowest average low temperature) are January and February (-4.3°C).

Average pressure in September
Bauma, Switzerland

  • Average pressure in September: 1018.6mbar

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
Bauma, Switzerland

  • Average wind speed in September: 6.1km/h

The windiest month (with the highest average wind speed) is March (8km/h).
The calmest month (with the lowest average wind speed) is August (5.9km/h).

Average humidity in September
Bauma, Switzerland

  • Average humidity in September: 82%

The month with the highest relative humidity is January (89%).
The month with the lowest relative humidity is July (78%).

Average rainfall in September
Bauma, Switzerland

  • Average rainfall in September: 35mm

The wettest month (with the highest rainfall) is May (82mm).
The driest month (with the least rainfall) is November (31mm).

Average rainfall days in September
Bauma, Switzerland

  • Average rainfall days in September: 12.7 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is February (6.9 days).

Average snowfall in September
Bauma, Switzerland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (202mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Bauma, Switzerland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in September: 12h and 36min

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 42min

The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in September
Bauma, Switzerland

  • Average sunshine days in September: 14.5 days

The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Bauma, 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 November and December (UV index 1).

Average cloud cover in September
Bauma, Switzerland

  • Average cloud cover in September: 39

The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).

Average visibility in September
Bauma, Switzerland

  • Average visibility in September: 8km

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