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
Weather in September
Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from a warm 23.8°C (74.8°F) to a comfortable 19.4°C (66.9°F). Muttenz's nighttime temperature in September falls to an average of 9°C (48.2°F).Humidity
The average relative humidity in September is 81%.Rainfall
September is the month with the least rainfall. Rain falls for 13.6 days and accumulates 41mm (1.61") of precipitation.Snowfall
In Muttenz, snow does not fall in June through September.Daylight
In Muttenz, the average length of the day in September is 12h and 34min.On the first day of the month, sunrise is at 06:48 and sunset at 20:09. On the last day of September, in Muttenz, sunrise is at 07:27 and sunset at 19:10 CEST.
Sunshine
The average sunshine in September in Muttenz, Switzerland, is 8.7h.UV index
In Muttenz, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Ensure safety - Sun damage prevention is strongly urged. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.
Frequently asked questions
What are the temperatures in Muttenz in September?
What is the average humidity in September in Muttenz?
What is the driest month in Muttenz?
How much does it rain in Muttenz in September?
When it does not snow in Muttenz?
Does it snow in Muttenz in September?
How many hours of daylight does Muttenz have in September?
When are sunrise and sunset in September in Muttenz?
How many hours of sunshine does Muttenz have in September?
What is the UV index reading in September in Muttenz?
Average temperature in September
Muttenz, Switzerland
- Average high temperature in September: 19.4°C
The warmest months (with the highest average high temperature) are July and August (23.8°C).
The month with the lowest average high temperature is January (3.4°C).
- Average low temperature in September: 9°C
The months with the highest average low temperature are July and August (12.6°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in September
Muttenz, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1020.7mbar).
The months with the lowest atmospheric pressure are April and November (1015.7mbar).
Average wind speed in September
Muttenz, Switzerland
- Average wind speed in September: 6.8km/h
The windiest month (with the highest average wind speed) is March (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.4km/h).
Average humidity in September
Muttenz, Switzerland
- Average humidity in September: 81%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Muttenz, Switzerland
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is June (100mm).
The driest month (with the least rainfall) is September (41mm).
Average rainfall days in September
Muttenz, Switzerland
- Average rainfall days in September: 13.6 days
The month with the highest number of rainy days is May (22.3 days).
The month with the least rainy days is October (13 days).
Average snowfall in September
Muttenz, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (88mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Muttenz, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Muttenz, Switzerland
- Average daylight in September: 12h and 4min
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 4min
The months with the most sunshine are July and August (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 36min).
Average sunshine days in September
Muttenz, Switzerland
- Average sunshine days in September: 12.8 days
The month with the most sunshine days is October (15 days).
The month with the least sunshine days is June (6.1 days).
Average UV index in September
Muttenz, Switzerland
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 5).
The month with the lowest UV index is November (UV index 1).
Average cloud cover in September
Muttenz, Switzerland
- Average cloud cover in September: 35
The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in September
Muttenz, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, May, June, July and August (9km).
The months with the lowest visibility are January, February, September, October, November and December (8km).
Muttenz, Switzerland
Weather forecast for your location
2. Allow the app to use your location
