September weather forecastHinterrhein, Switzerland
September weather for Hinterrhein, Switzerland: September, the first month of the autumn in Hinterrhein, is also a moderate month, with an average temperature ranging between min 3.9°C (39°F) and max 13.2°C (55.8°F). In Hinterrhein, during September, the rain falls for 16.1 days and regularly aggregates up to 38mm (1.5") of precipitation.
September
Weather in September
September, the first month of the autumn in Hinterrhein, is also a moderate month, with an average temperature ranging between min 3.9°C (39°F) and max 13.2°C (55.8°F).Temperature
September signifies a minor drop in average high-temperature, transitioning from a comfortable 17.3°C (63.1°F) in August to a mild 13.2°C (55.8°F). Nightly temperatures in Hinterrhein drop to an average low of 3.9°C (39°F) in September.Humidity
The average relative humidity in September is 84%.Rainfall
In Hinterrhein, during September, the rain falls for 16.1 days and regularly aggregates up to 38mm (1.5") of precipitation. Throughout the year, there are 170.7 rainfall days, and 698mm (27.48") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Hinterrhein.Daylight
In September, the average length of the day in Hinterrhein, Switzerland, is 12h and 33min.On the first day of September, sunrise is at 06:43 and sunset at 20:02. On the last day of the month, sunrise is at 07:21 and sunset at 19:04 CEST.
Sunshine
In September, the average sunshine in Hinterrhein is 8.6h.UV index
The average daily maximum UV index in September in Hinterrhein is 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The daily high UV index of 2 in September translates into this advice:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Hinterrhein, Switzerland
- Average high temperature in September: 13.2°C
The warmest month (with the highest average high temperature) is July (17.7°C).
The month with the lowest average high temperature is January (-2.6°C).
- Average low temperature in September: 3.9°C
The months with the highest average low temperature are July and August (6.3°C).
The coldest month (with the lowest average low temperature) is February (-11.1°C).
Average pressure in September
Hinterrhein, 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 (1015.4mbar).
Average wind speed in September
Hinterrhein, Switzerland
- Average wind speed in September: 6.4km/h
The windiest month (with the highest average wind speed) is November (8.4km/h).
The calmest month (with the lowest average wind speed) is August (6km/h).
Average humidity in September
Hinterrhein, Switzerland
- Average humidity in September: 84%
The month with the highest relative humidity is March (93%).
The month with the lowest relative humidity is July (81%).
Average rainfall in September
Hinterrhein, Switzerland
- Average rainfall in September: 38mm
The wettest month (with the highest rainfall) is August (100mm).
The driest months (with the least rainfall) are January and February (32mm).
Average rainfall days in September
Hinterrhein, Switzerland
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (24 days).
The month with the least rainy days is January (5.8 days).
Average snowfall in September
Hinterrhein, Switzerland
- Average snowfall in September: 0mm
The month with the highest snowfall is December (326mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Hinterrhein, Switzerland
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (17 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Hinterrhein, Switzerland
- Average daylight in September: 12h and 30min
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: 8h and 36min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The months with the least sunshine are January, February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Hinterrhein, Switzerland
- Average sunshine days in September: 11.3 days
The month with the most sunshine days is October (16.7 days).
The month with the least sunshine days is July (4.4 days).
Average UV index in September
Hinterrhein, 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 and February (UV index 1).
Average cloud cover in September
Hinterrhein, Switzerland
- Average cloud cover in September: 45
The month with the most cloud cover is March (Cloud cover 55).
The months with the least cloud cover are July and August (Cloud cover 42).
Average visibility in September
Hinterrhein, Switzerland
- Average visibility in September: 7km
The months with the highest visibility are June, July and August (8km).
The month with the lowest visibility is January (5km).
