September weather forecastAltendiez, Germany
September
Weather in September
September, the first month of the autumn in Altendiez, is also an enjoyable month, with an average temperature varying between 19.1°C (66.4°F) and 9.2°C (48.6°F).Temperature
With September's onset, the weather reveals a slight temperature decrease, transitioning from a warm 23.8°C (74.8°F) in August to an enjoyable 19.1°C (66.4°F). During September, Altendiez experiences a consistent low-temperature average of 9.2°C (48.6°F).Humidity
In Altendiez, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 9.5 days. Throughout September, 16mm (0.63") of precipitation is accumulated. In Altendiez, during the entire year, the rain falls for 136.4 days and collects up to 244mm (9.61") of precipitation.Snowfall
In Altendiez, Germany, snow does not fall in May through October.Daylight
The average length of the day in September in Altendiez is 12h and 37min.On the first day of September in Altendiez, sunrise is at 06:43 and sunset at 20:12. On the last day of the month, sunrise is at 07:27 and sunset at 19:08 CEST.
Sunshine
In Altendiez, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Altendiez is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: In September, the maximum UV index of 3 suggests this advice:
Make use of precautions - Shielding skin and eyes from injury is a requirement. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altendiez, Germany
- Average high temperature in September: 19.1°C
The warmest month (with the highest average high temperature) is July (24°C).
The month with the lowest average high temperature is January (3.3°C).
- Average low temperature in September: 9.2°C
The month with the highest average low temperature is August (12.5°C).
The coldest month (with the lowest average low temperature) is February (-1.3°C).
Average pressure in September
Altendiez, Germany
- Average pressure in September: 1017.9mbar
The month with the highest atmospheric pressure is September (1017.9mbar).
The month with the lowest atmospheric pressure is November (1014.1mbar).
Average wind speed in September
Altendiez, Germany
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is August (8.1km/h).
Average humidity in September
Altendiez, Germany
- Average humidity in September: 79%
The months with the highest relative humidity are January and December (90%).
The months with the lowest relative humidity are July and August (73%).
Average rainfall in September
Altendiez, Germany
- Average rainfall in September: 16mm
The wettest month (with the highest rainfall) is August (33mm).
The driest month (with the least rainfall) is January (15mm).
Average rainfall days in September
Altendiez, Germany
- Average rainfall days in September: 9.5 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in September
Altendiez, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (24mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Altendiez, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Altendiez, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 6min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Altendiez, Germany
- Average sunshine days in September: 17.5 days
The months with the most sunshine days are April, September and October (17.5 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in September
Altendiez, Germany
- Average UV index in September: 3
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Altendiez, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 37).
Average visibility in September
Altendiez, Germany
- Average visibility in September: 8km
The months with the highest visibility are April and August (9km).
The months with the lowest visibility are January, February, October, November and December (7km).
