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
As August makes way for September, Opwijk's average high-temperature eases from a moderately hot 23.2°C (73.8°F) to an enjoyable 19.5°C (67.1°F). Opwijk's temperature in September lowers to a consistent average of 11.3°C (52.3°F) during the nights.Humidity
In Opwijk, Belgium, the average relative humidity in September is 79%.Rainfall
The month with the least rainfall in Opwijk is September, when the rain falls for 4.5 days and typically collects 4mm (0.16") of precipitation.Snowfall
March through November are months without snowfall in Opwijk.Daylight
In Opwijk, the average length of the day in September is 12h and 38min.On the first day of September in Opwijk, Belgium, 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
In September, the average sunshine is 7.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the average person.Note: A typical high UV index of 4 in September suggests the following recommendations:
Exercise prevention - Warding off sunburn is urged. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Opwijk?
What is the average humidity in September in Opwijk?
What is the driest month in Opwijk?
How much does it rain in Opwijk in September?
When it does not snow in Opwijk?
What is the average length of the day in September in Opwijk?
When are sunrise and sunset in September in Opwijk?
How long on average sun shines in September in Opwijk?
What is the UV index intensity in September in Opwijk?
Average temperature in September
Opwijk, Belgium
- Average high temperature in September: 19.5°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
Opwijk, Belgium
- Average pressure in September: 1017.4mbar
The month with the highest atmospheric pressure is September (1017.4mbar).
The month with the lowest atmospheric pressure is November (1012.2mbar).
Average wind speed in September
Opwijk, Belgium
- Average wind speed in September: 12km/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
Opwijk, Belgium
- Average humidity in September: 79%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Opwijk, Belgium
- Average rainfall in September: 4mm
The wettest month (with the highest rainfall) is December (11mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in September
Opwijk, Belgium
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is September (4.5 days).
Average snowfall in September
Opwijk, 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
Opwijk, 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
Opwijk, 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 36min).
Average sunshine days in September
Opwijk, Belgium
- Average sunshine days in September: 23.6 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
Opwijk, 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
Opwijk, 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
Opwijk, 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).
