September weather forecastSatigny, Switzerland
September
Weather in September
September, the first month of the autumn in Satigny, is still a refreshing month, with an average temperature fluctuating between 8.4°C (47.1°F) and 18°C (64.4°F).Temperature
As September begins, there is a minor decrease in the average high-temperature, softly falling from a pleasant 22.4°C (72.3°F) in August to an enjoyable 18°C (64.4°F). Satigny experiences an average temperature drop to a frosty 8.4°C (47.1°F) during September nights.Humidity
In Satigny, the average relative humidity in September is 82%.Rainfall
In September, in Satigny, Switzerland, the rain falls for 13.9 days. Throughout September, 46mm (1.81") of precipitation is accumulated. In Satigny, during the entire year, the rain falls for 190.1 days and collects up to 748mm (29.45") of precipitation.Snowfall
May through September are months without snowfall in Satigny, Switzerland.Daylight
In Satigny, the average length of the day in September is 12h and 32min.On the first day of the month, sunrise is at 06:57 and sunset at 20:14. On the last day of September, sunrise is at 07:33 and sunset at 19:17 CEST.
Sunshine
In Satigny, the average sunshine in September is 8.5h.UV index
In Satigny, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily maximum UV index of 3 in September translates into the following instructions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Satigny, Switzerland
- Average high temperature in September: 18°C
The warmest month (with the highest average high temperature) is July (22.7°C).
The month with the lowest average high temperature is January (2.7°C).
- Average low temperature in September: 8.4°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 (-3.4°C).
Average pressure in September
Satigny, Switzerland
- Average pressure in September: 1018.5mbar
The month with the highest atmospheric pressure is December (1021.2mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Satigny, Switzerland
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is February (9.5km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in September
Satigny, Switzerland
- Average humidity in September: 82%
The months with the highest relative humidity are January and February (86%).
The months with the lowest relative humidity are April, July and August (79%).
Average rainfall in September
Satigny, Switzerland
- Average rainfall in September: 46mm
The wettest month (with the highest rainfall) is June (86mm).
The driest month (with the least rainfall) is October (41mm).
Average rainfall days in September
Satigny, Switzerland
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is May (20.3 days).
The month with the least rainy days is February (11.7 days).
Average snowfall in September
Satigny, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (81mm).
The months with the least snowfall are May, June, July, August and September (0mm).
Average snowfall days in September
Satigny, Switzerland
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (6.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Satigny, Switzerland
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in September: 8h and 30min
The months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in September
Satigny, Switzerland
- Average sunshine days in September: 13.8 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is June (7.7 days).
Average UV index in September
Satigny, 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, March, November and December (UV index 2).
Average cloud cover in September
Satigny, Switzerland
- Average cloud cover in September: 36
The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Satigny, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March and April (9km).
The months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (8km).
