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 commencement of September introduces an average high-temperature of a comfortable 17.9°C (64.2°F), closely mirroring the preceding month. Rolpaal, in September, registers a nighttime average temperature of 14.5°C (58.1°F).Humidity
The months with the lowest humidity are April, August and September, with an average relative humidity of 76%.Rainfall
In September, the rain falls for 15.5 days. Throughout September, 37mm (1.46") of precipitation is accumulated. Throughout the year, in Rolpaal, there are 172 rainfall days, and 384mm (15.12") of precipitation is accumulated.Snowfall
In Rolpaal, Netherlands, snow does not fall in April through October.Daylight
In Rolpaal, the average length of the day in September is 12h and 39min.On the first day of September in Rolpaal, sunrise is at 06:55 and sunset at 20:30. On the last day of the month, sunrise is at 07:43 and sunset at 19:22 CEST.
Sunshine
The average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September in Rolpaal is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Rolpaal?
What are the least humid months in Rolpaal?
What is the average humidity in September in Rolpaal?
How much does it rain in Rolpaal in September?
When it does not snow in Rolpaal?
How many hours of daylight does Rolpaal have in September?
What time are sunrise and sunset in September in Rolpaal?
How many hours of sunshine does Rolpaal have in September?
What is the UV index intensity in September in Rolpaal?
Average temperature in September
Rolpaal, Netherlands
- Average high temperature in September: 17.9°C
The warmest month (with the highest average high temperature) is August (20.2°C).
The month with the lowest average high temperature is February (5.8°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is August (16.7°C).
The coldest month (with the lowest average low temperature) is February (3.5°C).
Average pressure in September
Rolpaal, Netherlands
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.3mbar).
Average wind speed in September
Rolpaal, Netherlands
- Average wind speed in September: 20.3km/h
The windiest month (with the highest average wind speed) is December (28.2km/h).
The calmest month (with the lowest average wind speed) is July (18.1km/h).
Average humidity in September
Rolpaal, Netherlands
- Average humidity in September: 76%
The month with the highest relative humidity is January (83%).
The months with the lowest relative humidity are April, August and September (76%).
Average rainfall in September
Rolpaal, Netherlands
- Average rainfall in September: 37mm
The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Rolpaal, Netherlands
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is April (9.5 days).
Average snowfall in September
Rolpaal, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Rolpaal, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Rolpaal, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Rolpaal, Netherlands
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is April (18.4 days).
The month with the least sunshine days is December (8.4 days).
Average UV index in September
Rolpaal, 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 and December (UV index 2).
Average cloud cover in September
Rolpaal, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 66).
The months with the least cloud cover are April and August (Cloud cover 39).
Average visibility in September
Rolpaal, 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).
