September weather forecastErlach, Switzerland
September
Weather in September
September, the first month of the autumn in Erlach, is still a refreshing month, with an average temperature ranging between max 18.1°C (64.6°F) and min 8.1°C (46.6°F).Temperature
Erlach's weather subtly changes with the onset of September, barely falling from a pleasant 22.3°C (72.1°F) in August to a comfortable 18.1°C (64.6°F). During September in Erlach, Switzerland, the average low-temperature is recorded at a frosty 8.1°C (46.6°F).Humidity
In Erlach, Switzerland, the average relative humidity in September is 83%.Rainfall
In Erlach, during September, the rain falls for 14.9 days and regularly aggregates up to 37mm (1.46") of precipitation. Throughout the year, in Erlach, Switzerland, there are 179.2 rainfall days, and 566mm (22.28") of precipitation is accumulated.Snowfall
In Erlach, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 34min.On the first day of the month, sunrise is at 06:51 and sunset at 20:11. On the last day of September, in Erlach, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
The average sunshine in September is 7.8h.UV index
In Erlach, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 3 in September converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Erlach, Switzerland
- Average high temperature in September: 18.1°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 (2.7°C).
- Average low temperature in September: 8.1°C
The month with the highest average low temperature is July (11.7°C).
The coldest month (with the lowest average low temperature) is February (-3.3°C).
Average pressure in September
Erlach, 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
Erlach, Switzerland
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Erlach, Switzerland
- Average humidity in September: 83%
The month with the highest relative humidity is January (87%).
The month with the lowest relative humidity is April (79%).
Average rainfall in September
Erlach, Switzerland
- Average rainfall in September: 37mm
The wettest months (with the highest rainfall) are June and August (75mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Erlach, Switzerland
- Average rainfall days in September: 14.9 days
The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (8.8 days).
Average snowfall in September
Erlach, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (65mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Erlach, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Erlach, Switzerland
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in September
Erlach, Switzerland
- Average sunshine days in September: 12.6 days
The month with the most sunshine days is October (15.3 days).
The month with the least sunshine days is May (8.4 days).
Average UV index in September
Erlach, 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, November and December (UV index 2).
Average cloud cover in September
Erlach, Switzerland
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Erlach, Switzerland
- Average visibility in September: 8km
The month with the highest visibility is March (9km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (8km).
