Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Riethoven, Netherlands, in September experiences a gentle temperature dip, with average high-temperatures reducing from a warm 23.1°C (73.6°F) in August to a comfortable 19.2°C (66.6°F). Throughout September, Riethoven anticipates an average low-temperature of 11.3°C (52.3°F).Humidity
In September, the average relative humidity in Riethoven is 79%.Rainfall
In Riethoven, Netherlands, during September, the rain falls for 11 days and regularly aggregates up to 23mm (0.91") of precipitation. In Riethoven, during the entire year, the rain falls for 154.3 days and collects up to 321mm (12.64") of precipitation.Snowfall
In Riethoven, snow does not fall in April through October.Daylight
In Riethoven, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:52 and sunset at 20:24. On the last day of the month, sunrise is at 07:38 and sunset at 19:18 CEST.
Sunshine
In September, the average sunshine is 7.5h.UV index
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: In September, a regular UV index of 4 translates into these guidelines:
Exercise prevention - Warding off sunburn is urged. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Frequently asked questions
What are the temperatures in Riethoven in September?
What is the average humidity in September in Riethoven?
How many days does it rain in September in Riethoven?
When it does not snow in Riethoven?
What is the average length of the day in September in Riethoven?
What time are sunrise and sunset in September in Riethoven?
How many hours of sunshine does Riethoven have in September?
How high is the UV index in September in Riethoven?
Average temperature in September
Riethoven, Netherlands
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (23.1°C).
The month with the lowest average high temperature is January (4.9°C).
- Average low temperature in September: 11.3°C
The month with the highest average low temperature is August (14.3°C).
The coldest months (with the lowest average low temperature) are January and February (1.3°C).
Average pressure in September
Riethoven, Netherlands
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1012.3mbar).
Average wind speed in September
Riethoven, Netherlands
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Riethoven, Netherlands
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Riethoven, Netherlands
- Average rainfall in September: 23mm
The wettest months (with the highest rainfall) are July, August and December (32mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Riethoven, Netherlands
- Average rainfall days in September: 11 days
The month with the highest number of rainy days is July (15.4 days).
The month with the least rainy days is February (10.8 days).
Average snowfall in September
Riethoven, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (32mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Riethoven, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.3 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
Riethoven, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Riethoven, Netherlands
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is September (16.4 days).
The month with the least sunshine days is February (12.3 days).
Average UV index in September
Riethoven, Netherlands
- Average UV index in September: 4
The months with the highest UV index are June, July 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
Riethoven, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 64).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Riethoven, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Riethoven, Netherlands
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