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
September
Weather in September
Temperature
September brings a minor shift in the average high-temperature, adjusting from a pleasant 22.9°C (73.2°F) in August to an enjoyable 18.9°C (66°F). In the month of September, Oud-Valkenburg's average low-temperature falls to a cool 10.6°C (51.1°F).Humidity
The average relative humidity in September in Oud-Valkenburg is 79%.Rainfall
In Oud-Valkenburg, in September, during 11.3 rainfall days, 23mm (0.91") of precipitation is typically accumulated. Throughout the year, there are 173 rainfall days, and 456mm (17.95") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Oud-Valkenburg.Daylight
The average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:51 and sunset at 20:21. On the last day of September, sunrise is at 07:36 and sunset at 19:16 CEST.
Sunshine
The average sunshine in September is 8h.UV index
In September, the average daily maximum UV index in Oud-Valkenburg, Netherlands, is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability 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:
Take precautions - Protection against sunburn is recommended. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Oud-Valkenburg?
What is the average humidity in September in Oud-Valkenburg?
How much does it rain in Oud-Valkenburg in September?
When it does not snow in Oud-Valkenburg?
How many hours of daylight does Oud-Valkenburg have in September?
What time are sunrise and sunset in September in Oud-Valkenburg?
How many hours of sunshine does Oud-Valkenburg have in September?
What is the UV index intensity in September in Oud-Valkenburg?
Average temperature in September
Oud-Valkenburg, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 10.6°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Oud-Valkenburg, Netherlands
- Average pressure in September: 1017.6mbar
The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).
Average wind speed in September
Oud-Valkenburg, Netherlands
- Average wind speed in September: 11.2km/h
The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).
Average humidity in September
Oud-Valkenburg, Netherlands
- Average humidity in September: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Oud-Valkenburg, Netherlands
- Average rainfall in September: 23mm
The wettest months (with the highest rainfall) are June and December (49mm).
The driest month (with the least rainfall) is April (21mm).
Average rainfall days in September
Oud-Valkenburg, Netherlands
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is September (11.3 days).
Average snowfall in September
Oud-Valkenburg, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (46mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Oud-Valkenburg, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 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
Oud-Valkenburg, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 8h and 0min
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 48min).
Average sunshine days in September
Oud-Valkenburg, Netherlands
- Average sunshine days in September: 17.1 days
The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in September
Oud-Valkenburg, 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
Oud-Valkenburg, Netherlands
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Oud-Valkenburg, 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).
