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
September implies a soft temperature shift, with average high-temperatures reducing from August's agreeable 22.1°C (71.8°F) to a comfortable 17.8°C (64°F). During September, Rovray observes a consistent average nighttime temperature of 7.7°C (45.9°F).Humidity
In September, the average relative humidity in Rovray is 82%.Rainfall
September is the month with the least rainfall in Rovray. Rain falls for 7.1 days and accumulates 8mm (0.31") of precipitation.Snowfall
In Rovray, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 33min.On the first day of the month, sunrise is at 06:53 and sunset at 20:12. On the last day of September, in Rovray, sunrise is at 07:30 and sunset at 19:14 CEST.
Sunshine
In Rovray, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Rovray is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum UV index, 3 during September, leads to the following recommendations:
Act with care - The need to guard against sun damage is communicated. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What is the usual temperature for Rovray in September?
What is the average humidity in September in Rovray?
What is the driest month in Rovray?
How many days does it rain in September in Rovray?
When it does not snow in Rovray?
Does it snow in Rovray in September?
What is the average length of the day in September in Rovray?
When are sunrise and sunset in September in Rovray?
How many hours of sunshine does Rovray have in September?
What is the UV index intensity in September in Rovray?
Average temperature in September
Rovray, Switzerland
- Average high temperature in September: 17.8°C
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 7.7°C
The month with the highest average low temperature is July (11.3°C).
The coldest month (with the lowest average low temperature) is January (-3.8°C).
Average pressure in September
Rovray, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Rovray, Switzerland
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is February (11km/h).
The calmest month (with the lowest average wind speed) is August (6.6km/h).
Average humidity in September
Rovray, Switzerland
- Average humidity in September: 82%
The month with the highest relative humidity is January (87%).
The months with the lowest relative humidity are April and July (79%).
Average rainfall in September
Rovray, Switzerland
- Average rainfall in September: 8mm
The wettest month (with the highest rainfall) is June (26mm).
The driest month (with the least rainfall) is September (8mm).
Average rainfall days in September
Rovray, Switzerland
- Average rainfall days in September: 7.1 days
The month with the highest number of rainy days is May (12.5 days).
The month with the least rainy days is February (6.2 days).
Average snowfall in September
Rovray, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (25mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Rovray, Switzerland
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Rovray, 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 4min
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: 5h and 6min).
Average sunshine days in September
Rovray, Switzerland
- Average sunshine days in September: 20.2 days
The month with the most sunshine days is October (23.5 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in September
Rovray, 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
Rovray, Switzerland
- Average cloud cover in September: 37
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Rovray, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are March, April, November and December (9km).
The months with the lowest visibility are January, February, May, June, July, August, September and October (8km).
Rovray, Switzerland
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