Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from an enjoyable 17.3°C (63.1°F) in August to a mild 13.1°C (55.6°F). Throughout September, Guttannen registers a consistent average low-temperature of 4.1°C (39.4°F).Humidity
In September, the average relative humidity in Guttannen is 84%.Rainfall
September is the month with the least rainfall. Rain falls for 19 days and accumulates 81mm (3.19") of precipitation.Snowfall
In Guttannen, snow does not fall in June through September.Daylight
In September, the average length of the day in Guttannen is 12h and 33min.On the first day of the month, sunrise is at 06:47 and sunset at 20:05. On the last day of September, sunrise is at 07:24 and sunset at 19:08 CEST.
Sunshine
In September, the average sunshine is 8.4h.UV index
The average daily maximum UV index in September is 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during September leads to these advisories:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Guttannen?
What is the average humidity in September in Guttannen?
What is the driest month in Guttannen?
How many days does it rain in September in Guttannen?
When it does not snow in Guttannen?
Does it snow in Guttannen in September?
How many hours of daylight does Guttannen have in September?
When are sunrise and sunset in September in Guttannen?
How many hours of sunshine does Guttannen have in September?
What is the UV index intensity in September in Guttannen?
Average temperature in September
Guttannen, Switzerland
- Average high temperature in September: 13.1°C
The warmest month (with the highest average high temperature) is August (17.3°C).
The month with the lowest average high temperature is January (-1.9°C).
- Average low temperature in September: 4.1°C
The month with the highest average low temperature is July (7.6°C).
The coldest month (with the lowest average low temperature) is February (-9.6°C).
Average pressure in September
Guttannen, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Guttannen, Switzerland
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is December (8.3km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in September
Guttannen, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is March (91%).
The months with the lowest relative humidity are July and August (81%).
Average rainfall in September
Guttannen, Switzerland
- Average rainfall in September: 81mm
The wettest month (with the highest rainfall) is June (174mm).
The driest month (with the least rainfall) is September (81mm).
Average rainfall days in September
Guttannen, Switzerland
- Average rainfall days in September: 19 days
The month with the highest number of rainy days is July (25.7 days).
The month with the least rainy days is February (12.3 days).
Average snowfall in September
Guttannen, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (303mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Guttannen, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Guttannen, Switzerland
- Average daylight in September: 12h and 4min
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: 8h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Guttannen, Switzerland
- Average sunshine days in September: 8.5 days
The month with the most sunshine days is October (14.1 days).
The month with the least sunshine days is June (3.2 days).
Average UV index in September
Guttannen, Switzerland
- Average UV index in September: 2
The months with the highest UV index are June and July (UV index 4).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Guttannen, Switzerland
- Average cloud cover in September: 42
The month with the most cloud cover is February (Cloud cover 55).
The months with the least cloud cover are August and October (Cloud cover 40).
Average visibility in September
Guttannen, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July, August, October and November (8km).
The months with the lowest visibility are January and February (6km).
