September weather forecastMammen, Denmark
September
Weather in September
The first month of the autumn, September, is still a comfortable month in Mammen, Denmark, with an average temperature fluctuating between 10.5°C (50.9°F) and 16.9°C (62.4°F).Temperature
Transitioning from August to September involves a subtle drop in average high-temperatures, descending from a pleasant 20.6°C (69.1°F) to a comfortable 16.9°C (62.4°F). Mammen observes an average low-temperature of 10.5°C (50.9°F) during September.Humidity
The average relative humidity in September is 82%.Rainfall
In Mammen, in September, it is raining for 11.5 days, with typically 21mm (0.83") of accumulated precipitation. Throughout the year, there are 140.2 rainfall days, and 247mm (9.72") of precipitation is accumulated.Snowfall
May through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 45min.On the first day of September, sunrise is at 06:26 and sunset at 20:16. On the last day of the month, sunrise is at 07:23 and sunset at 18:58 CEST.
Sunshine
The average sunshine in September is 6.8h.UV index
In Mammen, the average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The average daily UV index of 3 in September transforms into the following instructions:
Exercise prevention - Precautions against solar damage are endorsed. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mammen, Denmark
- Average high temperature in September: 16.9°C
The warmest months (with the highest average high temperature) are July and August (20.6°C).
The month with the lowest average high temperature is January (2.8°C).
- Average low temperature in September: 10.5°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 (-0.4°C).
Average pressure in September
Mammen, Denmark
- Average pressure in September: 1014.3mbar
The months with the highest atmospheric pressure are April and May (1015.3mbar).
The month with the lowest atmospheric pressure is December (1009.7mbar).
Average wind speed in September
Mammen, Denmark
- Average wind speed in September: 13.6km/h
The windiest month (with the highest average wind speed) is December (16.2km/h).
The calmest month (with the lowest average wind speed) is August (13.1km/h).
Average humidity in September
Mammen, Denmark
- Average humidity in September: 82%
The months with the highest relative humidity are November and December (89%).
The months with the lowest relative humidity are April and May (74%).
Average rainfall in September
Mammen, Denmark
- Average rainfall in September: 21mm
The wettest month (with the highest rainfall) is July (30mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
Mammen, Denmark
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is August (14.3 days).
The month with the least rainy days is February (8.3 days).
Average snowfall in September
Mammen, Denmark
- Average snowfall in September: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Mammen, Denmark
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (6.4 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
Mammen, Denmark
- Average daylight in September: 12h and 48min
The month with the longest days is June (Average daylight: 17h and 36min).
The month with the shortest days is December (Average daylight: 7h and 0min).
- Average sunshine in September: 6h and 48min
The month with the most sunshine is June (Average sunshine: 9h and 48min).
The month with the least sunshine is February (Average sunshine: 3h and 6min).
Average sunshine days in September
Mammen, Denmark
- Average sunshine days in September: 14.4 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is December (12.3 days).
Average UV index in September
Mammen, Denmark
- Average UV index in September: 3
The month with the highest UV index is July (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in September
Mammen, Denmark
- Average cloud cover in September: 53
The months with the most cloud cover are January, February and December (Cloud cover 69).
The months with the least cloud cover are April and May (Cloud cover 46).
Average visibility in September
Mammen, Denmark
- Average visibility in September: 9km
The months with the highest visibility are February, April, May, June, July, August and September (9km).
The months with the lowest visibility are January, March, October, November and December (8km).
