September weather forecastBorssele, Netherlands
September
Weather in September
September, the first month of the autumn in Borssele, is still a refreshing month, with an average temperature varying between 14.2°C (57.6°F) and 18.5°C (65.3°F).Temperature
The advent of September presents an average high-temperature of a refreshing 18.5°C (65.3°F), maintaining a close correlation with the preceding month. During the month of September, Borssele's average nighttime temperature closely mirrors its daytime counterpart, at 14.2°C (57.6°F).Humidity
The average relative humidity in September is 76%.Rainfall
In Borssele, in September, it is raining for 13.9 days, with typically 28mm (1.1") of accumulated precipitation. Throughout the year, in Borssele, there are 171.6 rainfall days, and 383mm (15.08") of precipitation is accumulated.Snowfall
In Borssele, snow does not fall in April through October.Sea temperature
In September, the average sea temperature in Borssele is 18.3°C (64.9°F).Note: Swimming becomes less enjoyable for most at a surface water temperature of 18.3°C (64.9°F). As the temperature decreases below 21°C (69.8°F), breathing becomes increasingly difficult.
Daylight
The average length of the day in September in Borssele is 12h and 38min.On the first day of the month, sunrise is at 06:58 and sunset at 20:31. On the last day of September, in Borssele, sunrise is at 07:44 and sunset at 19:24 CEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In Borssele, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during September translates into the following guidance:
Undertake precautions - Obligation exists to protect against skin and eye damage. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Borssele, Netherlands
- Average high temperature in September: 18.5°C
The warmest month (with the highest average high temperature) is August (20.8°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in September: 14.2°C
The month with the highest average low temperature is August (16.2°C).
The coldest month (with the lowest average low temperature) is February (3.3°C).
Average pressure in September
Borssele, Netherlands
- Average pressure in September: 1017.2mbar
The month with the highest atmospheric pressure is September (1017.2mbar).
The month with the lowest atmospheric pressure is November (1011.6mbar).
Average wind speed in September
Borssele, Netherlands
- Average wind speed in September: 18.2km/h
The windiest month (with the highest average wind speed) is December (24.8km/h).
The calmest months (with the lowest average wind speed) are April and July (16.5km/h).
Average humidity in September
Borssele, Netherlands
- Average humidity in September: 76%
The months with the highest relative humidity are January and December (83%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Borssele, Netherlands
- Average rainfall in September: 28mm
The wettest month (with the highest rainfall) is August (47mm).
The driest month (with the least rainfall) is April (16mm).
Average rainfall days in September
Borssele, Netherlands
- Average rainfall days in September: 13.9 days
The month with the highest number of rainy days is November (17.5 days).
The month with the least rainy days is April (10.5 days).
Average snowfall in September
Borssele, 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
Borssele, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (2.7 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average sea temperature in September
Borssele, Netherlands
- Average sea temperature in September: 18.3°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest months (with the lowest average sea temperature) are January, February and March (7.2°C).
Average daylight in September /
Average sunshine in September
Borssele, Netherlands
- 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: 7h and 54min).
- Average sunshine in September: 7h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Borssele, Netherlands
- Average sunshine days in September: 12 days
The month with the most sunshine days is April (17.1 days).
The month with the least sunshine days is November (9.6 days).
Average UV index in September
Borssele, 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 and December (UV index 2).
Average cloud cover in September
Borssele, Netherlands
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Borssele, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are February, March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January and December (9km).
