September weather forecastNecker, Switzerland
September
Weather in September
September, the first month of the autumn in Necker, is still a comfortable month, with temperature in the range of an average high of 16.9°C (62.4°F) and an average low of 7°C (44.6°F).Temperature
During the shift to September, Necker records a mild decrease in average high-temperature, moving from a pleasant 21.6°C (70.9°F) in August to a comfortable 16.9°C (62.4°F). In the month of September, the average temperature in Necker dips to a chilly 7°C (44.6°F) during the night.Humidity
The average relative humidity in September is 81%.Rainfall
In Necker, in September, it is raining for 11.6 days, with typically 41mm (1.61") of accumulated precipitation. In Necker, during the entire year, the rain falls for 129.6 days and collects up to 714mm (28.11") of precipitation.Snowfall
In Necker, Switzerland, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 34min.On the first day of September in Necker, sunrise is at 06:43 and sunset at 20:03. On the last day of the month, sunrise is at 07:21 and sunset at 19:04 CEST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Make use of precautions - It is urged to ward off sun damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Necker, Switzerland
- Average high temperature in September: 16.9°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (1.4°C).
- Average low temperature in September: 7°C
The month with the highest average low temperature is August (10.5°C).
The coldest month (with the lowest average low temperature) is February (-5.8°C).
Average pressure in September
Necker, 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 (1015.6mbar).
Average wind speed in September
Necker, Switzerland
- Average wind speed in September: 6.2km/h
The windiest month (with the highest average wind speed) is December (8km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in September
Necker, Switzerland
- Average humidity in September: 81%
The month with the highest relative humidity is February (89%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in September
Necker, Switzerland
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is May (91mm).
The driest month (with the least rainfall) is November (36mm).
Average rainfall days in September
Necker, Switzerland
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (15.3 days).
The month with the least rainy days is February (6 days).
Average snowfall in September
Necker, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (417mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Necker, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (12 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Necker, 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 July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in September
Necker, Switzerland
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is October (19.3 days).
The months with the least sunshine days are May and June (13.8 days).
Average UV index in September
Necker, 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 November and December (UV index 1).
Average cloud cover in September
Necker, Switzerland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in September
Necker, Switzerland
- Average visibility in September: 8km
The month with the highest visibility is July (9km).
The months with the lowest visibility are January and February (7km).
