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
The commencement of September indicates a gentle shift in the average high-temperature, receding from August's pleasant 22.2°C (72°F) to a comfortable 17.9°C (64.2°F). Cortaillod records an average temperature drop to a chilly 8.1°C (46.6°F) in September.Humidity
In September, the average relative humidity is 84%.Rainfall
In Cortaillod, Switzerland, in September, during 13.4 rainfall days, 38mm (1.5") of precipitation is typically accumulated. Throughout the year, there are 160.9 rainfall days, and 547mm (21.54") of precipitation is accumulated.Snowfall
June through September are months without snowfall.Daylight
The average length of the day in September in Cortaillod is 12h and 34min.On the first day of September in Cortaillod, sunrise is at 06:52 and sunset at 20:12. On the last day of the month, sunrise is at 07:30 and sunset at 19:14 CEST.
Sunshine
In Cortaillod, the average sunshine in September is 7.7h.UV index
In September, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: In September, a daily maximum UV index of 3 leads to the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Cortaillod in September?
What is the average humidity in September in Cortaillod?
How many days does it rain in September in Cortaillod?
When it does not snow in Cortaillod?
Does it snow in Cortaillod in September?
What is the average length of the day in September in Cortaillod?
What time are sunrise and sunset in September in Cortaillod?
How many hours of sunshine does Cortaillod have in September?
What is the UV index reading in September in Cortaillod?
Average temperature in September
Cortaillod, Switzerland
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (2.5°C).
- Average low temperature in September: 8.1°C
The months with the highest average low temperature are July and August (11.4°C).
The coldest month (with the lowest average low temperature) is February (-3.5°C).
Average pressure in September
Cortaillod, Switzerland
- Average pressure in September: 1018.6mbar
The month with the highest atmospheric pressure is December (1021mbar).
The month with the lowest atmospheric pressure is April (1015.6mbar).
Average wind speed in September
Cortaillod, Switzerland
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is February (12km/h).
The calmest month (with the lowest average wind speed) is August (7.1km/h).
Average humidity in September
Cortaillod, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is January (88%).
The month with the lowest relative humidity is April (80%).
Average rainfall in September
Cortaillod, Switzerland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is June (68mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in September
Cortaillod, Switzerland
- Average rainfall days in September: 13.4 days
The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is February (8.6 days).
Average snowfall in September
Cortaillod, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is February (59mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Cortaillod, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Cortaillod, 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: 7h and 4min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Cortaillod, Switzerland
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is July (11.7 days).
Average UV index in September
Cortaillod, 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, November and December (UV index 2).
Average cloud cover in September
Cortaillod, Switzerland
- Average cloud cover in September: 44
The month with the most cloud cover is February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Cortaillod, Switzerland
- Average visibility in September: 8km
The month with the highest visibility is March (9km).
The months with the lowest visibility are January, February, April, May, June, July, August, September, October, November and December (8km).
