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 average high-temperature marginally decreases from a pleasant 22.9°C (73.2°F) in August to a refreshing 18.9°C (66°F). During the nights in September, the temperature averages to a cool 10.6°C (51.1°F).Humidity
In September, the average relative humidity is 79%.Rainfall
In Geulhem, Netherlands, in September, it is raining for 11.3 days, with typically 23mm (0.91") of accumulated precipitation. Throughout the year, in Geulhem, there are 173 rainfall days, and 456mm (17.95") of precipitation is accumulated.Snowfall
In Geulhem, snow does not fall in April through October.Daylight
In Geulhem, the average length of the day in September is 12h and 38min.On the first day of September in Geulhem, Netherlands, sunrise is at 06:51 and sunset at 20:21. On the last day of the month, sunrise is at 07:36 and sunset at 19:16 CEST.
Sunshine
In Geulhem, the average sunshine in September is 8h.UV index
The average daily maximum UV index in September in Geulhem is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: An average UV index of 4 in September transforms into this advice:
Take precautions - Protection against sun damage is advised. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Geulhem?
What is the average humidity in September in Geulhem?
How much does it rain in Geulhem in September?
When it does not snow in Geulhem?
How many hours of daylight does Geulhem have in September?
When is the sunrise / sunset in September in Geulhem?
How long on average sun shines in September in Geulhem?
How high is the UV index in September in Geulhem?
Average temperature in September
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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
Geulhem, 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).
