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
In September, the meteorological conditions change slightly, with the average high-temperature moving from a pleasant 22.9°C (73.2°F) in August to an enjoyable 19°C (66.2°F). September nights in Vortum-Mullem experience a consistent temperature drop to a cool 11.1°C (52°F).Humidity
The average relative humidity in September in Vortum-Mullem is 80%.Rainfall
In September, in Vortum-Mullem, the rain falls for 11.5 days. Throughout September, 23mm (0.91") of precipitation is accumulated. Throughout the year, there are 148.1 rainfall days, and 389mm (15.31") of precipitation is accumulated.Snowfall
In Vortum-Mullem, snow does not fall in April through November.Daylight
In Vortum-Mullem, the average length of the day in September is 12h and 38min.On the first day of September in Vortum-Mullem, sunrise is at 06:49 and sunset at 20:22. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September in Vortum-Mullem is 7.6h.UV index
In Vortum-Mullem, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The average daily UV index of 4 in September transforms into the following instructions:
Act with care - The need to guard against sun damage is communicated. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Vortum-Mullem in September?
What is the average humidity in September in Vortum-Mullem?
How much does it rain in Vortum-Mullem in September?
When it does not snow in Vortum-Mullem?
What is the average length of the day in September in Vortum-Mullem?
When are sunrise and sunset in September in Vortum-Mullem?
How long on average sun shines in September in Vortum-Mullem?
How high is the UV index in September in Vortum-Mullem?
Average temperature in September
Vortum-Mullem, Netherlands
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is July (23°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Vortum-Mullem, Netherlands
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.5mbar).
Average wind speed in September
Vortum-Mullem, Netherlands
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.7km/h).
The calmest months (with the lowest average wind speed) are July and August (11.6km/h).
Average humidity in September
Vortum-Mullem, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Vortum-Mullem, Netherlands
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is July (52mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Vortum-Mullem, Netherlands
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is July (17.2 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in September
Vortum-Mullem, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (25mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Vortum-Mullem, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.4 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
Vortum-Mullem, Netherlands
- Average daylight in September: 12h and 4min
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 4min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Vortum-Mullem, Netherlands
- Average sunshine days in September: 17 days
The month with the most sunshine days is April (19.4 days).
The months with the least sunshine days are June and July (11.8 days).
Average UV index in September
Vortum-Mullem, 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
Vortum-Mullem, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 42).
Average visibility in September
Vortum-Mullem, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August, October, November and December (9km).
The month with the lowest visibility is September (8km).
