September weather forecastHaart, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Haart, Netherlands, with temperature in the range of an average high of 18.7°C (65.7°F) and an average low of 11°C (51.8°F).Temperature
Haart's weather subtly changes with the onset of September, barely falling from an agreeable 22.8°C (73°F) in August to a refreshing 18.7°C (65.7°F). In Haart, an average nighttime temperature of 11°C (51.8°F) is expected during September.Humidity
In Haart, Netherlands, the average relative humidity in September is 80%.Rainfall
In Haart, Netherlands, in September, it is raining for 15 days, with typically 34mm (1.34") of accumulated precipitation. In Haart, during the entire year, the rain falls for 187.7 days and collects up to 477mm (18.78") of precipitation.Snowfall
In Haart, snow does not fall in April through October.Daylight
The average length of the day in September in Haart, Netherlands, is 12h and 39min.On the first day of the month, sunrise is at 06:46 and sunset at 20:20. On the last day of September, in Haart, Netherlands, sunrise is at 07:33 and sunset at 19:12 CEST.
Sunshine
In Haart, the average sunshine in September is 7.8h.UV index
In September, the average daily maximum UV index in Haart is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: An average UV index of 4 in September transforms into this advice:
Guard yourself - Precautionary measures against sun damage are advocated. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. 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
Haart, Netherlands
- Average high temperature in September: 18.7°C
The warmest month (with the highest average high temperature) is August (22.8°C).
The month with the lowest average high temperature is January (4.3°C).
- Average low temperature in September: 11°C
The month with the highest average low temperature is August (14.2°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).
Average pressure in September
Haart, Netherlands
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.4mbar).
Average wind speed in September
Haart, Netherlands
- Average wind speed in September: 11.9km/h
The windiest month (with the highest average wind speed) is December (17.8km/h).
The calmest month (with the lowest average wind speed) is July (11.6km/h).
Average humidity in September
Haart, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Haart, Netherlands
- Average rainfall in September: 34mm
The wettest month (with the highest rainfall) is July (54mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Haart, Netherlands
- Average rainfall days in September: 15 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is April (12.8 days).
Average snowfall in September
Haart, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (36mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Haart, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5 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
Haart, Netherlands
- Average daylight in September: 12h and 36min
The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).
- Average sunshine in September: 7h and 48min
The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Haart, Netherlands
- Average sunshine days in September: 11.6 days
The month with the most sunshine days is April (14.8 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Haart, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June and 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
Haart, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Haart, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October and November (9km).
The months with the lowest visibility are September and December (8km).
