September weather forecastAltenmünster, Germany
September
Weather in September
September, the first month of the autumn in Altenmünster, is still a comfortable month, with temperature in the range of an average high of 18.6°C (65.5°F) and an average low of 8.5°C (47.3°F).Temperature
A mild drop in Altenmünster's average high-temperature is observed in September, transitioning from a moderately hot 23.3°C (73.9°F) in August to a refreshing 18.6°C (65.5°F). During the month of September, Altenmünster experiences a steady low-temperature average of 8.5°C (47.3°F).Humidity
In Altenmünster, the average relative humidity in September is 82%.Rainfall
In Altenmünster, Germany, during September, the rain falls for 15.6 days and regularly aggregates up to 56mm (2.2") of precipitation. Throughout the year, there are 171.9 rainfall days, and 756mm (29.76") of precipitation is accumulated.Snowfall
June through September are months without snowfall in Altenmünster.Daylight
The average length of the day in September in Altenmünster is 12h and 35min.On the first day of the month, sunrise is at 06:35 and sunset at 19:59. On the last day of September, in Altenmünster, sunrise is at 07:16 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September is 8.7h.UV index
In Altenmünster, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 3 during September translates into the following directions:
Make use of precautions - Suggestions to resist sunburn are communicated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altenmünster, Germany
- Average high temperature in September: 18.6°C
The warmest months (with the highest average high temperature) are July and August (23.3°C).
The month with the lowest average high temperature is January (2.3°C).
- Average low temperature in September: 8.5°C
The month with the highest average low temperature is August (12.6°C).
The coldest month (with the lowest average low temperature) is February (-3.4°C).
Average pressure in September
Altenmünster, Germany
- Average pressure in September: 1018.7mbar
The month with the highest atmospheric pressure is December (1020.4mbar).
The month with the lowest atmospheric pressure is April (1015.7mbar).
Average wind speed in September
Altenmünster, Germany
- Average wind speed in September: 8.3km/h
The windiest month (with the highest average wind speed) is March (12.2km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in September
Altenmünster, Germany
- Average humidity in September: 82%
The month with the highest relative humidity is January (90%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Altenmünster, Germany
- Average rainfall in September: 56mm
The wettest month (with the highest rainfall) is August (110mm).
The driest month (with the least rainfall) is November (27mm).
Average rainfall days in September
Altenmünster, Germany
- Average rainfall days in September: 15.6 days
The month with the highest number of rainy days is May (22.8 days).
The month with the least rainy days is February (6.5 days).
Average snowfall in September
Altenmünster, Germany
- Average snowfall in September: 0mm
The month with the highest snowfall is January (151mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in September
Altenmünster, Germany
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.4 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Altenmünster, Germany
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).
- Average sunshine in September: 8h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Altenmünster, Germany
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (5.6 days).
Average UV index in September
Altenmünster, 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 January, February, October, November and December (UV index 2).
Average cloud cover in September
Altenmünster, Germany
- Average cloud cover in September: 40
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in September
Altenmünster, Germany
- Average visibility in September: 8km
The months with the highest visibility are April, July and August (9km).
The months with the lowest visibility are January and February (7km).
