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
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a refreshing 16.7°C (62.1°F) to a cool 12.3°C (54.1°F). Mase records a mean low-temperature of 3.3°C (37.9°F) in September.Humidity
In September, the average relative humidity in Mase, Switzerland, is 82%.Rainfall
September is the month with the least rainfall. Rain falls for 20.2 days and accumulates 76mm (2.99") of precipitation.Snowfall
Months with snowfall in Mase are January through May, September through December. September is the first month it typically snows in Mase. Throughout September, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 40.9 snowfall days, and 716mm (28.19") of snow is accumulated.Daylight
The average length of the day in September is 12h and 32min.On the first day of September in Mase, sunrise is at 06:51 and sunset at 20:08. On the last day of the month, sunrise is at 07:28 and sunset at 19:12 CEST.
Sunshine
The average sunshine in September in Mase is 8.3h.UV index
In Mase, the average daily maximum UV index in September is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 2 during September translates into the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. Around midday, solar radiation is most harmful; hence, exposure should be limited. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Mase?
What is the average humidity in September in Mase?
What is the driest month in Mase?
How much does it rain in Mase in September?
When does it start to snow in Mase?
What is the average length of the day in September in Mase?
When are sunrise and sunset in September in Mase?
How many hours of sunshine does Mase have in September?
How high is the UV index in September in Mase?
Average temperature in September
Mase, Switzerland
- Average high temperature in September: 12.3°C
The warmest month (with the highest average high temperature) is August (16.7°C).
The month with the lowest average high temperature is January (-2.5°C).
- Average low temperature in September: 3.3°C
The month with the highest average low temperature is August (6.4°C).
The coldest months (with the lowest average low temperature) are January and February (-11°C).
Average pressure in September
Mase, Switzerland
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.9mbar).
The month with the lowest atmospheric pressure is April (1015.2mbar).
Average wind speed in September
Mase, Switzerland
- Average wind speed in September: 6.5km/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 (6.2km/h).
Average humidity in September
Mase, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is March (90%).
The months with the lowest relative humidity are July and August (79%).
Average rainfall in September
Mase, Switzerland
- Average rainfall in September: 76mm
The wettest month (with the highest rainfall) is May (177mm).
The driest month (with the least rainfall) is September (76mm).
Average rainfall days in September
Mase, Switzerland
- Average rainfall days in September: 20.2 days
The month with the highest number of rainy days is May (25.8 days).
The month with the least rainy days is February (13.8 days).
Average snowfall in September
Mase, Switzerland
- Average snowfall in September: 1mm
The month with the highest snowfall is February (167mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Mase, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (10.2 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Mase, Switzerland
- Average daylight in September: 12h and 3min
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 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Mase, Switzerland
- Average sunshine days in September: 7.6 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (2.8 days).
Average UV index in September
Mase, 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 and November (UV index 1).
Average cloud cover in September
Mase, Switzerland
- Average cloud cover in September: 41
The months with the most cloud cover are February and March (Cloud cover 53).
The month with the least cloud cover is October (Cloud cover 37).
Average visibility in September
Mase, 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, February and March (6km).
