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
Roodewijk observes an average high-temperature of a comfortable 18.5°C (65.3°F) in September, barely different from 20.8°C (69.4°F) in August. In Roodewijk, the nighttime temperature in September descends gently to an average of 14.2°C (57.6°F).Humidity
In September, the average relative humidity in Roodewijk is 76%.Rainfall
In Roodewijk, during September, the rain falls for 14.3 days and regularly aggregates up to 33mm (1.3") of precipitation. In Roodewijk, Netherlands, during the entire year, the rain falls for 172 days and collects up to 388mm (15.28") of precipitation.Snowfall
In Roodewijk, snow does not fall in April through October.Daylight
In Roodewijk, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 06:58 and sunset at 20:30. On the last day of the month, sunrise is at 07:44 and sunset at 19:24 CEST.
Sunshine
The average sunshine in September in Roodewijk is 7.2h.UV index
In Roodewijk, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In September, a regular UV index of 4 translates into these guidelines:
Act with care - Obligation to protect against skin and eye damage is highlighted. To guard against the harmful effects of the Sun, minimize exposure during midday. 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 are September temperatures in Roodewijk?
What is the average humidity in September in Roodewijk?
How many days does it rain in September in Roodewijk?
When it does not snow in Roodewijk?
What is the average length of the day in September in Roodewijk?
What time are sunrise and sunset in September in Roodewijk?
How long on average sun shines in September in Roodewijk?
How high is the UV index in September in Roodewijk?
Average temperature in September
Roodewijk, Netherlands
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Roodewijk, Netherlands
- Average pressure in September: 1017.1mbar
The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Roodewijk, Netherlands
- Average wind speed in September: 18.3km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest months (with the lowest average wind speed) are April and July (16.5km/h).
Average humidity in September
Roodewijk, Netherlands
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Roodewijk, Netherlands
- Average rainfall in September: 33mm
The wettest month (with the highest rainfall) is August (47mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Roodewijk, Netherlands
- Average rainfall days in September: 14.3 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is April (10.5 days).
Average snowfall in September
Roodewijk, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (17mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Roodewijk, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.7 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
Roodewijk, 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 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
Roodewijk, Netherlands
- Average sunshine days in September: 12 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is November (9.6 days).
Average UV index in September
Roodewijk, 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
Roodewijk, Netherlands
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Roodewijk, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
