September weather forecastBlankenberge, Belgium
September weather for Blankenberge, Belgium: In Blankenberge, during September, the rain falls for 15.5 days and regularly aggregates up to 33mm (1.3") of precipitation. On the last day of September, in Blankenberge, sunrise is at 07:47 and sunset at 19:27 CEST.
September
Weather in September
September arrives with a significant decrease in temperatures, as Blankenberge begins to transition into autumn. After the rainy August, this month's decrease in precipitation levels is a considerable relief. Though shorter, the daylight hours still allow for plenty of outdoor activities. Humidity levels take an upward turn, with evenings taking on a misty, mysterious vibe. The crispness in the air starts becoming noticeable, particularly towards the month's end.Temperature
Blankenberge, Belgium, marks the arrival of September with an average high-temperature of a refreshing 18.8°C (65.8°F), hardly different from August's 21.4°C (70.5°F). Throughout September, the nighttime temperature in Blankenberge, Belgium, averages to 13.3°C (55.9°F).Humidity
The average relative humidity in September is 77%.Rainfall
In Blankenberge, during September, the rain falls for 15.5 days and regularly aggregates up to 33mm (1.3") of precipitation. In Blankenberge, Belgium, during the entire year, the rain falls for 190.7 days and collects up to 500mm (19.69") of precipitation.Snowfall
In Blankenberge, snow does not fall in April through October.Sea temperature
In September, the average sea temperature in Blankenberge is 18.2°C (64.8°F).Note: Most people do not enjoy swimming in water that is 18.2°C (64.8°F). Breathing becomes increasingly challenging as the water temperature dips under 21°C (69.8°F).
Daylight
In Blankenberge, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 07:01 and sunset at 20:33. On the last day of September, in Blankenberge, sunrise is at 07:47 and sunset at 19:27 CEST.
Sunshine
The average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September in Blankenberge is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum UV index of 4 during September translates into these guidelines:
Take measures. Individuals with light skin might experience burns in under 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Blankenberge, Belgium
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (6.2°C).
- Average low temperature in September: 13.3°C
The month with the highest average low temperature is August (15.1°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).
Average pressure in September
Blankenberge, 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 (1011.7mbar).
Average wind speed in September
Blankenberge, Belgium
- Average wind speed in September: 16.6km/h
The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).
Average humidity in September
Blankenberge, Belgium
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April, July and August (76%).
Average rainfall in September
Blankenberge, Belgium
- Average rainfall in September: 33mm
The wettest months (with the highest rainfall) are August and December (56mm).
The driest month (with the least rainfall) is April (20mm).
Average rainfall days in September
Blankenberge, Belgium
- Average rainfall days in September: 15.5 days
The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is April (12.1 days).
Average snowfall in September
Blankenberge, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Blankenberge, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Blankenberge, Belgium
- Average sea temperature in September: 18.2°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (7.1°C).
Average daylight in September /
Average sunshine in September
Blankenberge, Belgium
- Average daylight in September: 12h and 36min
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 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Blankenberge, Belgium
- Average sunshine days in September: 11.1 days
The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (7 days).
Average UV index in September
Blankenberge, 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
Blankenberge, Belgium
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in September
Blankenberge, Belgium
- Average visibility in September: 10km
The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).





