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 move into September indicates a slight reduction in the average high-temperature, down from August's agreeable 21.3°C (70.3°F) to an enjoyable 18.1°C (64.6°F). Nighttime temperature in Roodehaan dips to a mean of 11.7°C (53.1°F) during September.Humidity
In Roodehaan, the average relative humidity in September is 82%.Rainfall
In Roodehaan, during September, the rain falls for 15.5 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 179.4 rainfall days, and 340mm (13.39") of precipitation is accumulated.Snowfall
In Roodehaan, Netherlands, snow does not fall in April through October.Daylight
The average length of the day in September is 12h and 41min.On the first day of September, sunrise is at 06:44 and sunset at 20:23. On the last day of the month, sunrise is at 07:35 and sunset at 19:13 CEST.
Sunshine
In Roodehaan, the average sunshine in September is 7.1h.UV index
The average daily maximum UV index in September in Roodehaan, Netherlands, is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Roodehaan?
What is the average humidity in September in Roodehaan?
How much does it rain in Roodehaan in September?
When it does not snow in Roodehaan?
What is the average length of the day in September in Roodehaan?
What time are sunrise and sunset in September in Roodehaan?
How long on average sun shines in September in Roodehaan?
What is the UV index reading in September in Roodehaan?
Average temperature in September
Roodehaan, Netherlands
- Average high temperature in September: 18.1°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (4.4°C).
- Average low temperature in September: 11.7°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is February (1°C).
Average pressure in September
Roodehaan, Netherlands
- Average pressure in September: 1016.4mbar
The months with the highest atmospheric pressure are May and September (1016.4mbar).
The month with the lowest atmospheric pressure is November (1011.1mbar).
Average wind speed in September
Roodehaan, Netherlands
- Average wind speed in September: 15km/h
The windiest month (with the highest average wind speed) is December (21.2km/h).
The calmest month (with the lowest average wind speed) is July (14km/h).
Average humidity in September
Roodehaan, Netherlands
- Average humidity in September: 82%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (77%).
Average rainfall in September
Roodehaan, Netherlands
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is June (41mm).
The driest month (with the least rainfall) is April (17mm).
Average rainfall days in September
Roodehaan, Netherlands
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is July (18.7 days).
The month with the least rainy days is February (11.5 days).
Average snowfall in September
Roodehaan, 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
Roodehaan, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 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
Roodehaan, 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 36min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is July (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Roodehaan, Netherlands
- Average sunshine days in September: 10.2 days
The months with the most sunshine days are March and April (14.8 days).
The month with the least sunshine days is December (9 days).
Average UV index in September
Roodehaan, Netherlands
- Average UV index in September: 4
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Roodehaan, Netherlands
- Average cloud cover in September: 46
The month with the most cloud cover is December (Cloud cover 68).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Roodehaan, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are April and August (10km).
The months with the lowest visibility are January, February, March, May, June, July, September, October, November and December (9km).
