September weather forecastAdliswil, Switzerland
September
Weather in September
September, the first month of the autumn in Adliswil, is still a refreshing month, with an average temperature varying between 19.9°C (67.8°F) and 8.4°C (47.1°F).Temperature
The arrival of September signals a subtle shift in temperature, down from a moderately hot 24.7°C (76.5°F) in August to a comfortable 19.9°C (67.8°F). Adliswil reports a consistent average low-temperature of 8.4°C (47.1°F) throughout September nights.Humidity
In September, the average relative humidity is 80%.Rainfall
In Adliswil, in September, it is raining for 10.2 days, with typically 24mm (0.94") of accumulated precipitation. In Adliswil, Switzerland, during the entire year, the rain falls for 134.8 days and collects up to 471mm (18.54") of precipitation.Snowfall
In Adliswil, snow does not fall in June through September.Daylight
The average length of the day in September in Adliswil, Switzerland, is 12h and 34min.On the first day of the month, sunrise is at 06:45 and sunset at 20:05. On the last day of September, in Adliswil, sunrise is at 07:24 and sunset at 19:07 CEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 4 translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Adliswil, Switzerland
- Average high temperature in September: 19.9°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.2°C).
- Average low temperature in September: 8.4°C
The months with the highest average low temperature are July and August (12.2°C).
The coldest month (with the lowest average low temperature) is January (-3.2°C).
Average pressure in September
Adliswil, 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 (1015.7mbar).
Average wind speed in September
Adliswil, Switzerland
- Average wind speed in September: 6.3km/h
The windiest month (with the highest average wind speed) is March (8.7km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Adliswil, Switzerland
- Average humidity in September: 80%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is July (75%).
Average rainfall in September
Adliswil, Switzerland
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is July (61mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Adliswil, Switzerland
- Average rainfall days in September: 10.2 days
The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Adliswil, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (85mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Adliswil, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Adliswil, 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 54min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Adliswil, Switzerland
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in September
Adliswil, 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, November and December (UV index 2).
Average cloud cover in September
Adliswil, Switzerland
- Average cloud cover in September: 36
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Adliswil, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The month with the lowest visibility is January (7km).
