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
The arrival of September sees an average high-temperature of a still enjoyable 17.2°C (63°F), hardly diverging from August's 18.9°C (66°F). An average low-temperature of 15.1°C (59.2°F), slightly less than the daytime peak, marks the month of September in De Waal.Humidity
With an average relative humidity of 77%, September is the least humid month.Rainfall
In September, in De Waal, the rain falls for 16.9 days. Throughout September, 41mm (1.61") of precipitation is accumulated. In De Waal, during the entire year, the rain falls for 186.7 days and collects up to 391mm (15.39") of precipitation.Snowfall
April through October are months without snowfall in De Waal.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:51 and sunset at 20:29. On the last day of September, in De Waal, sunrise is at 07:41 and sunset at 19:19 CEST.
Sunshine
In De Waal, the average sunshine in September is 6.8h.UV index
In De Waal, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in De Waal?
What is the least humid month in De Waal?
What is the average humidity in September in De Waal?
How many days does it rain in September in De Waal?
When it does not snow in De Waal?
How many hours of daylight does De Waal have in September?
When is the sunrise / sunset in September in De Waal?
How long on average sun shines in September in De Waal?
What is the UV index intensity in September in De Waal?
Average temperature in September
De Waal, Netherlands
- Average high temperature in September: 17.2°C
The warmest month (with the highest average high temperature) is August (18.9°C).
The month with the lowest average high temperature is February (5.7°C).
- Average low temperature in September: 15.1°C
The month with the highest average low temperature is August (16.4°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
De Waal, Netherlands
- Average pressure in September: 1016.2mbar
The month with the highest atmospheric pressure is May (1016.5mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
De Waal, Netherlands
- Average wind speed in September: 24.6km/h
The windiest month (with the highest average wind speed) is December (33.9km/h).
The calmest month (with the lowest average wind speed) is July (21.3km/h).
Average humidity in September
De Waal, Netherlands
- Average humidity in September: 77%
The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is September (77%).
Average rainfall in September
De Waal, Netherlands
- Average rainfall in September: 41mm
The wettest month (with the highest rainfall) is October (49mm).
The driest month (with the least rainfall) is April (13mm).
Average rainfall days in September
De Waal, Netherlands
- Average rainfall days in September: 16.9 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is April (10.8 days).
Average snowfall in September
De Waal, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
De Waal, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
De Waal, Netherlands
- Average daylight in September: 12h and 4min
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 42min).
- Average sunshine in September: 6h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
De Waal, Netherlands
- Average sunshine days in September: 9.2 days
The month with the most sunshine days is May (16.6 days).
The month with the least sunshine days is November (6.5 days).
Average UV index in September
De Waal, 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
De Waal, Netherlands
- Average cloud cover in September: 47
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 40).
Average visibility in September
De Waal, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
