September weather forecastMarrum, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Marrum, Netherlands, with temperature in the range of an average low of 13.4°C (56.1°F) and an average high of 17.6°C (63.7°F).Temperature
The onset of September notes an average high-temperature of a comfortable 17.6°C (63.7°F), subtly shifted from August's 20.3°C (68.5°F). Recording a slight decline in temperature during the nights, Marrum's September temperatures average at a still refreshing 13.4°C (56.1°F).Humidity
The average relative humidity in September is 80%.Rainfall
In Marrum, during September, the rain falls for 17.3 days and regularly aggregates up to 41mm (1.61") of precipitation. In Marrum, during the entire year, the rain falls for 188.1 days and collects up to 390mm (15.35") of precipitation.Snowfall
April through October are months without snowfall.Daylight
The average length of the day in September in Marrum is 12h and 41min.On the first day of the month, sunrise is at 06:47 and sunset at 20:25. On the last day of September, sunrise is at 07:37 and sunset at 19:15 CEST.
Sunshine
In Marrum, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Marrum, Netherlands
- Average high temperature in September: 17.6°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The months with the lowest average high temperature are January and February (5.3°C).
- Average low temperature in September: 13.4°C
The month with the highest average low temperature is August (15.2°C).
The coldest month (with the lowest average low temperature) is February (2.3°C).
Average pressure in September
Marrum, Netherlands
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.4mbar).
The month with the lowest atmospheric pressure is November (1010.7mbar).
Average wind speed in September
Marrum, Netherlands
- Average wind speed in September: 19.3km/h
The windiest month (with the highest average wind speed) is December (26.8km/h).
The calmest month (with the lowest average wind speed) is July (17.2km/h).
Average humidity in September
Marrum, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (85%).
The months with the lowest relative humidity are April, May and August (79%).
Average rainfall in September
Marrum, Netherlands
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is August (46mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Marrum, Netherlands
- Average rainfall days in September: 17.3 days
The month with the highest number of rainy days is December (18.8 days).
The month with the least rainy days is April (11.1 days).
Average snowfall in September
Marrum, Netherlands
- Average snowfall in September: 0mm
The months with the highest snowfall are January and February (15mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Marrum, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Marrum, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 54min).
The month with the shortest days is December (Average daylight: 7h and 36min).
- Average sunshine in September: 7h and 18min
The month with the most sunshine is June (Average sunshine: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Marrum, Netherlands
- Average sunshine days in September: 9.5 days
The month with the most sunshine days is March (16.7 days).
The month with the least sunshine days is December (7.1 days).
Average UV index in September
Marrum, Netherlands
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Marrum, Netherlands
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in September
Marrum, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
