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 arrival of September corresponds with a minor reduction in the average high-temperature, down from August's agreeable 20.1°C (68.2°F) to an enjoyable 16°C (60.8°F). Throughout the month of September, the nighttime temperature in Semsales dips to an average of 5.8°C (42.4°F).Humidity
In September, the average relative humidity in Semsales is 80%.Rainfall
September is the month with the least rainfall. Rain falls for 7.2 days and accumulates 10mm (0.39") of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Semsales, the average length of the day in September is 12h and 33min.On the first day of September in Semsales, Switzerland, sunrise is at 06:52 and sunset at 20:11. On the last day of the month, sunrise is at 07:30 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September in Semsales is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, the UV index of 3 transforms into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
Frequently asked questions
What is the temperature in September in Semsales?
What is the average humidity in September in Semsales?
What is the driest month in Semsales?
How many days does it rain in September in Semsales?
When it does not snow in Semsales?
Does it snow in Semsales in September?
How many hours of daylight does Semsales have in September?
What time are sunrise and sunset in September in Semsales?
How long on average sun shines in September in Semsales?
What is the UV index reading in September in Semsales?
Average temperature in September
Semsales, Switzerland
- Average high temperature in September: 16°C
The warmest months (with the highest average high temperature) are July and August (20.1°C).
The month with the lowest average high temperature is January (0.6°C).
- Average low temperature in September: 5.8°C
The month with the highest average low temperature is July (8.8°C).
The coldest month (with the lowest average low temperature) is February (-7.7°C).
Average pressure in September
Semsales, Switzerland
- Average pressure in September: 1018.4mbar
The month with the highest atmospheric pressure is December (1021.1mbar).
The month with the lowest atmospheric pressure is April (1015.4mbar).
Average wind speed in September
Semsales, Switzerland
- Average wind speed in September: 7km/h
The windiest month (with the highest average wind speed) is December (9.4km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Semsales, Switzerland
- Average humidity in September: 80%
The month with the highest relative humidity is February (88%).
The months with the lowest relative humidity are July and August (78%).
Average rainfall in September
Semsales, Switzerland
- Average rainfall in September: 10mm
The wettest month (with the highest rainfall) is May (38mm).
The driest month (with the least rainfall) is September (10mm).
Average rainfall days in September
Semsales, Switzerland
- Average rainfall days in September: 7.2 days
The months with the highest number of rainy days are June and July (11.7 days).
The month with the least rainy days is January (4.3 days).
Average snowfall in September
Semsales, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (142mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Semsales, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Semsales, Switzerland
- Average daylight in September: 12h and 3min
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 month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).
Average sunshine days in September
Semsales, Switzerland
- Average sunshine days in September: 21 days
The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is June (15.2 days).
Average UV index in September
Semsales, Switzerland
- Average UV index in September: 3
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, March, October, November and December (UV index 2).
Average cloud cover in September
Semsales, Switzerland
- Average cloud cover in September: 36
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in September
Semsales, Switzerland
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (8km).
Semsales, Switzerland
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