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 marks a gentle change in average high-temperature, declining from August's enjoyable 19°C (66.2°F) to a mild 14.6°C (58.3°F). The nighttime temperature, during September, averages of 3.7°C (38.7°F).Humidity
The average relative humidity in September is 81%.Rainfall
In Chur, during September, the rain falls for 17.5 days and regularly aggregates up to 62mm (2.44") of precipitation. Throughout the year, there are 211.5 rainfall days, and 1072mm (42.2") of precipitation is accumulated.Snowfall
In Chur, snow does not fall in June through September.Daylight
In Chur, the average length of the day in September is 12h and 33min.On the first day of September, sunrise is at 06:42 and sunset at 20:01. On the last day of the month, sunrise is at 07:19 and sunset at 19:03 CEST.
Sunshine
In Chur, the average sunshine in September is 9h.UV index
In Chur, the average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Exercise prevention - Protecting skin and eyes from harm is required. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the average September temperature in Chur?
What is the average humidity in September in Chur?
How much does it rain in Chur in September?
When it does not snow in Chur?
Does it snow in Chur in September?
How many hours of daylight does Chur have in September?
What time are sunrise and sunset in September in Chur?
How many hours of sunshine does Chur have in September?
What is the UV index intensity in September in Chur?
Average temperature in September
Chur, Switzerland
- Average high temperature in September: 14.6°C
The warmest month (with the highest average high temperature) is August (19°C).
The month with the lowest average high temperature is January (-1.3°C).
- Average low temperature in September: 3.7°C
The month with the highest average low temperature is August (7.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).
Average pressure in September
Chur, Switzerland
- Average pressure in September: 1018.3mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015.5mbar).
Average wind speed in September
Chur, Switzerland
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is November (8.2km/h).
The calmest month (with the lowest average wind speed) is August (6.5km/h).
Average humidity in September
Chur, Switzerland
- Average humidity in September: 81%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is July (78%).
Average rainfall in September
Chur, Switzerland
- Average rainfall in September: 62mm
The wettest month (with the highest rainfall) is August (133mm).
The driest month (with the least rainfall) is February (61mm).
Average rainfall days in September
Chur, Switzerland
- Average rainfall days in September: 17.5 days
The month with the highest number of rainy days is May (24.3 days).
The month with the least rainy days is January (12.3 days).
Average snowfall in September
Chur, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is January (320mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Chur, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (13.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chur, 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: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in September
Chur, Switzerland
- Average sunshine days in September: 9.1 days
The month with the most sunshine days is October (14.6 days).
The month with the least sunshine days is May (3.8 days).
Average UV index in September
Chur, Switzerland
- Average UV index in September: 3
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
Chur, Switzerland
- Average cloud cover in September: 39
The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are August and October (Cloud cover 37).
Average visibility in September
Chur, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are May, June, July, August, October and November (8km).
The month with the lowest visibility is January (6km).
Chur, Switzerland
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