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
September ushers in a minor alteration in Opdorp's climate, with the average high-temperature moving from August's moderately hot 23.2°C (73.8°F) to a comfortable 19.8°C (67.6°F). Throughout September, the nighttime temperature averages to a fresh 11.3°C (52.3°F).Humidity
In September, the average relative humidity is 78%.Rainfall
In Opdorp, Belgium, during September, the rain falls for 5.3 days and regularly aggregates up to 7mm (0.28") of precipitation. Throughout the year, there are 78.4 rainfall days, and 96mm (3.78") of precipitation is accumulated.Snowfall
In Opdorp, snow does not fall in March through November.Daylight
In September, the average length of the day in Opdorp is 12h and 38min.On the first day of September in Opdorp, sunrise is at 06:57 and sunset at 20:28. On the last day of the month, sunrise is at 07:42 and sunset at 19:23 CEST.
Sunshine
The average sunshine in September in Opdorp, Belgium, is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.Note: In September, an average UV index of 4 transforms into the following instructions:
Prioritize safety - Recommendations to avert sunburn are shared. To protect against the Sun's most potent rays, avoid direct exposure around midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Frequently asked questions
What are September temperatures in Opdorp?
What is the average humidity in September in Opdorp?
How many days does it rain in September in Opdorp?
When it does not snow in Opdorp?
What is the average length of the day in September in Opdorp?
When is the sunrise / sunset in September in Opdorp?
How long on average sun shines in September in Opdorp?
What is the UV index reading in September in Opdorp?
Average temperature in September
Opdorp, Belgium
- Average high temperature in September: 19.8°C
The warmest month (with the highest average high temperature) is July (23.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 11.3°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 (1.4°C).
Average pressure in September
Opdorp, Belgium
- 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
Opdorp, Belgium
- Average wind speed in September: 12.1km/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 (11.8km/h).
Average humidity in September
Opdorp, Belgium
- Average humidity in September: 78%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Opdorp, Belgium
- Average rainfall in September: 7mm
The wettest month (with the highest rainfall) is December (11mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in September
Opdorp, Belgium
- Average rainfall days in September: 5.3 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in September
Opdorp, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Opdorp, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.7 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
Opdorp, Belgium
- 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: 8h and 0min).
- Average sunshine in September: 7h and 1min
The month with the most sunshine is June (Average sunshine: 9h and 12min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Opdorp, Belgium
- Average sunshine days in September: 23.1 days
The month with the most sunshine days is October (23.7 days).
The month with the least sunshine days is June (17.7 days).
Average UV index in September
Opdorp, Belgium
- 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
Opdorp, Belgium
- Average cloud cover in September: 45
The months with the most cloud cover are January and December (Cloud cover 63).
The month with the least cloud cover is April (Cloud cover 43).
Average visibility in September
Opdorp, Belgium
- 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).
Opdorp, Belgium
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