September weather forecastGals, Switzerland
September
Weather in September
The first month of the autumn, September, is also an enjoyable month in Gals, Switzerland, with an average temperature varying between 18.1°C (64.6°F) and 8.1°C (46.6°F).Temperature
Gals's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's agreeable 22.3°C (72.1°F) to a refreshing 18.1°C (64.6°F). September nights are marked by an average low-temperature of 8.1°C (46.6°F).Humidity
In September, the average relative humidity in Gals is 83%.Rainfall
In Gals, in September, it is raining for 14.9 days, with typically 37mm (1.46") of accumulated precipitation. In Gals, during the entire year, the rain falls for 179.2 days and collects up to 566mm (22.28") of precipitation.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Gals, Switzerland, 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, sunrise is at 07:29 and sunset at 19:13 CEST.
Sunshine
In Gals, the average sunshine in September is 7.8h.UV index
In Gals, Switzerland, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum UV index of 3 during September translates into these guidelines:
Undertake protective steps - Preventing sun damage is advised. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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
Gals, 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).
