September weather forecastOhmstal, Switzerland

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Ohmstal, Switzerland, with temperature in the range of an average high of 18.3°C (64.9°F) and an average low of 7.5°C (45.5°F).

Temperature

During the shift to September, a minor reduction in average high-temperature is observed, shifting from a pleasant 22.3°C (72.1°F) in August to a refreshing 18.3°C (64.9°F). During September, an average low-temperature of 7.5°C (45.5°F) is observed.

Humidity

In September, the average relative humidity is 81%.

Rainfall

September is the month with the least rainfall in Ohmstal. Rain falls for 12.8 days and accumulates 37mm (1.46") of precipitation.

Snowfall

June through September are months without snowfall.

Daylight

In Ohmstal, the average length of the day in September is 12h and 34min.
On the first day of September in Ohmstal, sunrise is at 06:48 and sunset at 20:08. On the last day of the month, sunrise is at 07:26 and sunset at 19:09 CEST.

Sunshine

The average sunshine in September in Ohmstal is 8.8h.

UV index

In Ohmstal, Switzerland, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Frequently asked questions

The average high-temperature and low-temperature in Ohmstal during September are 18.3°C (64.9°F) and 7.5°C (45.5°F) respectively.

The average relative humidity in September is 81%.

September is the month with the least rainfall. Rain falls for 12.8 days and accumulates 37mm (1.46") of precipitation.

In Ohmstal, Switzerland, in September, during 12.8 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

June through September are months without snowfall in Ohmstal, Switzerland.

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

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

In September, on the first day of the month, sunrise is at 06:48 and sunset at 20:08. On the last day of the month, in Ohmstal, Switzerland, sunrise is at 07:26 and sunset at 19:09 CEST.

The average sunshine duration in September in Ohmstal, Switzerland, is 8.8h.

In September, the average daily maximum UV index in Ohmstal is 4. A UV Index value of 3 to 5 symbolizes a medium health risk 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 sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Ohmstal, Switzerland

  • Average high temperature in September: 18.3°C

The warmest month (with the highest average high temperature) is July (22.5°C).
The month with the lowest average high temperature is January (2.3°C).

  • Average low temperature in September: 7.5°C

The month with the highest average low temperature is July (11.4°C).
The coldest month (with the lowest average low temperature) is February (-4.3°C).

Average pressure in September
Ohmstal, Switzerland

  • Average pressure in September: 1018.6mbar

The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).

Average wind speed in September
Ohmstal, Switzerland

  • Average wind speed in September: 6.5km/h

The windiest month (with the highest average wind speed) is March (8.6km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).

Average humidity in September
Ohmstal, Switzerland

  • Average humidity in September: 81%

The months with the highest relative humidity are January and February (87%).
The month with the lowest relative humidity is July (77%).

Average rainfall in September
Ohmstal, Switzerland

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is June (99mm).
The driest month (with the least rainfall) is September (37mm).

Average rainfall days in September
Ohmstal, Switzerland

  • Average rainfall days in September: 12.8 days

The month with the highest number of rainy days is May (20.1 days).
The month with the least rainy days is February (8.4 days).

Average snowfall in September
Ohmstal, Switzerland

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (269mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in September
Ohmstal, Switzerland

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (12.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Ohmstal, 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 36min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in September
Ohmstal, Switzerland

  • Average sunshine days in September: 14.2 days

The month with the most sunshine days is October (17.4 days).
The month with the least sunshine days is June (8.3 days).

Average UV index in September
Ohmstal, Switzerland

  • Average UV index in September: 4

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

Average cloud cover in September
Ohmstal, Switzerland

  • Average cloud cover in September: 35

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Ohmstal, Switzerland

  • Average visibility in September: 8km

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