September weather forecastErmelo, Netherlands
September
Weather in September
September, the first month of the autumn in Ermelo, is also an enjoyable month, with an average temperature varying between 18.2°C (64.8°F) and 11.7°C (53.1°F).Temperature
The shift from August to September includes a minor decrease in the average high-temperature, lightly dropping from an agreeable 21.8°C (71.2°F) to a comfortable 18.2°C (64.8°F). Nighttime temperatures in September average to a cool 11.7°C (53.1°F) in Ermelo.Humidity
In Ermelo, Netherlands, the average relative humidity in September is 82%.Rainfall
In Ermelo, Netherlands, in September, during 12.3 rainfall days, 19mm (0.75") of precipitation is typically accumulated. Throughout the year, in Ermelo, there are 158.7 rainfall days, and 296mm (11.65") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Ermelo, Netherlands.Daylight
In Ermelo, the average length of the day in September is 12h and 40min.On the first day of September in Ermelo, sunrise is at 06:49 and sunset at 20:24. On the last day of the month, sunrise is at 07:37 and sunset at 19:16 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In September, the average daily maximum UV index in Ermelo is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Ermelo, Netherlands
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in September
Ermelo, Netherlands
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Ermelo, Netherlands
- Average wind speed in September: 13.3km/h
The windiest month (with the highest average wind speed) is December (19.6km/h).
The calmest month (with the lowest average wind speed) is July (12.7km/h).
Average humidity in September
Ermelo, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Ermelo, Netherlands
- Average rainfall in September: 19mm
The wettest month (with the highest rainfall) is July (38mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in September
Ermelo, Netherlands
- Average rainfall days in September: 12.3 days
The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is October (10 days).
Average snowfall in September
Ermelo, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is December (13mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Ermelo, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.7 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
Ermelo, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 24min
The month with the most sunshine is July (Average sunshine: 9h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Ermelo, Netherlands
- Average sunshine days in September: 14.3 days
The month with the most sunshine days is October (18.3 days).
The month with the least sunshine days is June (9.7 days).
Average UV index in September
Ermelo, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Ermelo, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Ermelo, Netherlands
- Average visibility in September: 9km
The month with the highest visibility is April (10km).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October, November and December (9km).
