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
Weather in September
Temperature
The arrival of September corresponds with a light shift in temperature, down from a moderately hot 23°C (73.4°F) in August to an enjoyable 19.2°C (66.6°F). In Castelré, the average low-temperature during the month of September is a cool 11.1°C (52°F).Humidity
The average relative humidity in September in Castelré is 80%.Rainfall
In Castelré, in September, during 12.1 rainfall days, 24mm (0.94") of precipitation is typically accumulated. Throughout the year, there are 185 rainfall days, and 482mm (18.98") of precipitation is accumulated.Snowfall
In Castelré, snow does not fall in April through October.Daylight
In Castelré, Netherlands, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:54 and sunset at 20:26. On the last day of September, in Castelré, sunrise is at 07:40 and sunset at 19:20 CEST.
Sunshine
In September, the average sunshine is 7.6h.UV index
In September, the average daily maximum UV index in Castelré, Netherlands, is 4. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 4 during September leads to these advisories:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Frequently asked questions
What is the usual temperature for Castelré in September?
What is the average humidity in September in Castelré?
How much does it rain in Castelré in September?
When it does not snow in Castelré?
What is the average length of the day in September in Castelré?
What time are sunrise and sunset in September in Castelré?
How many hours of sunshine does Castelré have in September?
How high is the UV index in September in Castelré?
Average temperature in September
Castelré, Netherlands
- Average high temperature in September: 19.2°C
The warmest months (with the highest average high temperature) are July and August (23°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is February (1.3°C).
Average pressure in September
Castelré, Netherlands
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Castelré, Netherlands
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (17.4km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Castelré, 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 (74%).
Average rainfall in September
Castelré, Netherlands
- Average rainfall in September: 24mm
The wettest month (with the highest rainfall) is December (58mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Castelré, Netherlands
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is December (18.9 days).
The month with the least rainy days is September (12.1 days).
Average snowfall in September
Castelré, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (34mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Castelré, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 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
Castelré, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
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 6min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Castelré, Netherlands
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is September (14.7 days).
The month with the least sunshine days is December (8.2 days).
Average UV index in September
Castelré, 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
Castelré, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 41).
Average visibility in September
Castelré, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are February, March, April, May, June, July, August, October and November (9km).
The months with the lowest visibility are January, September and December (8km).
Castelré, Netherlands
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