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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a pleasant 21.6°C (70.9°F) in August to an enjoyable 17.1°C (62.8°F). Altastenberg temperatures generally rest at a low of 8.4°C (47.1°F) during the September nights.Humidity
In September, the average relative humidity in Altastenberg, Germany, is 82%.Rainfall
September is the month with the least rainfall in Altastenberg. Rain falls for 13.3 days and accumulates 33mm (1.3") of precipitation.Snowfall
In Altastenberg, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 38min.On the first day of the month, sunrise is at 06:40 and sunset at 20:11. On the last day of September, sunrise is at 07:25 and sunset at 19:05 CEST.
Sunshine
The average sunshine in September in Altastenberg is 7.8h.UV index
In September, the average daily maximum UV index in Altastenberg is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.Note: The daily high UV index of 3 in September translates into this advice:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. To guard against the harmful effects of the Sun, minimize exposure during midday. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Altastenberg in September?
What is the average humidity in September in Altastenberg?
What is the driest month in Altastenberg?
How much does it rain in Altastenberg in September?
When it does not snow in Altastenberg?
Does it snow in Altastenberg in September?
What is the average length of the day in September in Altastenberg?
When is the sunrise / sunset in September in Altastenberg?
How many hours of sunshine does Altastenberg have in September?
How high is the UV index in September in Altastenberg?
Average temperature in September
Altastenberg, Germany
- Average high temperature in September: 17.1°C
The warmest month (with the highest average high temperature) is August (21.6°C).
The month with the lowest average high temperature is January (2.1°C).
- Average low temperature in September: 8.4°C
The month with the highest average low temperature is August (11.7°C).
The coldest months (with the lowest average low temperature) are January and February (-2.3°C).
Average pressure in September
Altastenberg, Germany
- Average pressure in September: 1017.8mbar
The month with the highest atmospheric pressure is September (1017.8mbar).
The month with the lowest atmospheric pressure is November (1013.7mbar).
Average wind speed in September
Altastenberg, Germany
- Average wind speed in September: 8.9km/h
The windiest month (with the highest average wind speed) is December (12.9km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in September
Altastenberg, Germany
- Average humidity in September: 82%
The months with the highest relative humidity are January and December (92%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in September
Altastenberg, Germany
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is September (33mm).
Average rainfall days in September
Altastenberg, Germany
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (7 days).
Average snowfall in September
Altastenberg, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is December (246mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Altastenberg, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (16.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Altastenberg, Germany
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 5min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 2h and 42min).
Average sunshine days in September
Altastenberg, Germany
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is September (14.3 days).
The month with the least sunshine days is December (8.3 days).
Average UV index in September
Altastenberg, Germany
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in September
Altastenberg, Germany
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 75).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Altastenberg, Germany
- Average visibility in September: 7km
The months with the highest visibility are April, May, June, July and August (8km).
The month with the lowest visibility is January (6km).
