September weather forecastAltenhundem, Germany
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Altenhundem, Germany, with an average temperature fluctuating between 8.3°C (46.9°F) and 17.5°C (63.5°F).Temperature
The arrival of September suggests a slight decrease in the average high-temperature, moving from a pleasant 21.8°C (71.2°F) in August to a comfortable 17.5°C (63.5°F). An average low-temperature of 8.3°C (46.9°F) is observed during the September nights.Humidity
In Altenhundem, the average relative humidity in September is 83%.Rainfall
In Altenhundem, in September, during 15.1 rainfall days, 39mm (1.54") of precipitation is typically accumulated. Throughout the year, there are 183.6 rainfall days, and 635mm (25") of precipitation is accumulated.Snowfall
In Altenhundem, snow does not fall in June through September.Daylight
The average length of the day in September in Altenhundem is 12h and 38min.On the first day of September, sunrise is at 06:41 and sunset at 20:13. On the last day of the month, sunrise is at 07:27 and sunset at 19:07 CEST.
Sunshine
The average sunshine in September is 7.5h.UV index
The average daily maximum UV index in September in Altenhundem is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 3 during September translates into the following directions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altenhundem, Germany
- Average high temperature in September: 17.5°C
The warmest month (with the highest average high temperature) is July (21.9°C).
The month with the lowest average high temperature is January (2.2°C).
- Average low temperature in September: 8.3°C
The month with the highest average low temperature is August (11.3°C).
The coldest months (with the lowest average low temperature) are January and February (-2°C).
Average pressure in September
Altenhundem, 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 (1013.8mbar).
Average wind speed in September
Altenhundem, Germany
- Average wind speed in September: 9km/h
The windiest month (with the highest average wind speed) is February (12.7km/h).
The calmest month (with the lowest average wind speed) is August (8.7km/h).
Average humidity in September
Altenhundem, Germany
- Average humidity in September: 83%
The month with the highest relative humidity is December (93%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Altenhundem, Germany
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (74mm).
The driest month (with the least rainfall) is April (33mm).
Average rainfall days in September
Altenhundem, Germany
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.7 days).
Average snowfall in September
Altenhundem, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (116mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Altenhundem, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Altenhundem, Germany
- Average daylight in September: 12h and 36min
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 30min
The month with the most sunshine is August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 2h and 24min).
Average sunshine days in September
Altenhundem, Germany
- Average sunshine days in September: 12.5 days
The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Altenhundem, Germany
- 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 November and December (UV index 1).
Average cloud cover in September
Altenhundem, Germany
- Average cloud cover in September: 49
The month with the most cloud cover is December (Cloud cover 78).
The month with the least cloud cover is August (Cloud cover 44).
Average visibility in September
Altenhundem, Germany
- Average visibility in September: 7km
The months with the highest visibility are March, April, May, June, July and August (8km).
The months with the lowest visibility are January, November and December (6km).
