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 small decrease in the average high-temperature, from a refreshing 15.8°C (60.4°F) to a fresh 11.6°C (52.9°F). Throughout September, the nighttime temperature averages to a cold 2.8°C (37°F).Humidity
In September, the average relative humidity is 85%.Rainfall
In Lottigna, in September, it is raining for 20.9 days, with typically 94mm (3.7") of accumulated precipitation. Throughout the year, there are 200.1 rainfall days, and 1619mm (63.74") of precipitation is accumulated.Snowfall
January through May, September through December are months with snowfall in Lottigna. September is the first month it typically snows. Throughout September, in the average 0.4 snowfall days, it receives 6mm (0.24") of snow. In Lottigna, during the entire year, snow falls for 114.5 days and aggregates up to 3819mm (150.35") of snow.Daylight
In Lottigna, Switzerland, the average length of the day in September is 12h and 33min.On the first day of September in Lottigna, Switzerland, sunrise is at 06:45 and sunset at 20:03. On the last day of the month, sunrise is at 07:22 and sunset at 19:05 CEST.
Sunshine
The average sunshine in September in Lottigna, Switzerland, is 7.4h.UV index
The average daily maximum UV index in September in Lottigna is 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during September translates into the following directions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
Frequently asked questions
What is the average September temperature in Lottigna?
What is the average humidity in September in Lottigna?
How many days does it rain in September in Lottigna?
When does it start to snow in Lottigna?
What is the average length of the day in September in Lottigna?
What time are sunrise and sunset in September in Lottigna?
How many hours of sunshine does Lottigna have in September?
What is the UV index intensity in September in Lottigna?
Average temperature in September
Lottigna, Switzerland
- Average high temperature in September: 11.6°C
The warmest month (with the highest average high temperature) is July (16.2°C).
The month with the lowest average high temperature is January (-3.9°C).
- Average low temperature in September: 2.8°C
The month with the highest average low temperature is July (6.3°C).
The coldest month (with the lowest average low temperature) is February (-12.7°C).
Average pressure in September
Lottigna, Switzerland
- Average pressure in September: 1018.2mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.3mbar).
Average wind speed in September
Lottigna, Switzerland
- Average wind speed in September: 7.7km/h
The windiest month (with the highest average wind speed) is December (10km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Lottigna, Switzerland
- Average humidity in September: 85%
The month with the highest relative humidity is March (94%).
The month with the lowest relative humidity is July (82%).
Average rainfall in September
Lottigna, Switzerland
- Average rainfall in September: 94mm
The wettest month (with the highest rainfall) is August (205mm).
The driest month (with the least rainfall) is February (71mm).
Average rainfall days in September
Lottigna, Switzerland
- Average rainfall days in September: 20.9 days
The month with the highest number of rainy days is July (27.2 days).
The month with the least rainy days is February (5.3 days).
Average snowfall in September
Lottigna, Switzerland
- Average snowfall in September: 6mm
The month with the highest snowfall is December (734mm).
The months with the least snowfall are June, July and August (0mm).
Average snowfall days in September
Lottigna, Switzerland
- Average snowfall days in September: 0.4 days
The month with the highest number of snowfall days is January (20.8 days).
The months with the least snowfall days are July and August (0 days).
Average daylight in September /
Average sunshine in September
Lottigna, 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 42min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is November (Average sunshine: 3h and 42min).
Average sunshine days in September
Lottigna, Switzerland
- Average sunshine days in September: 6.7 days
The month with the most sunshine days is October (12.1 days).
The month with the least sunshine days is July (2.3 days).
Average UV index in September
Lottigna, 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, February, March, April, November and December (UV index 1).
Average cloud cover in September
Lottigna, Switzerland
- Average cloud cover in September: 56
The months with the most cloud cover are March and April (Cloud cover 68).
The month with the least cloud cover is July (Cloud cover 50).
Average visibility in September
Lottigna, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June and July (8km).
The months with the lowest visibility are January, February, March and April (5km).
Lottigna, Switzerland
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