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 average high-temperature for September is an enjoyable 19°C (66.2°F), closely aligning with the temperature of the preceding month. Zaamslag experiences an average nighttime temperature of 12.8°C (55°F) in the month of September.Humidity
In Zaamslag, the average relative humidity in September is 77%.Rainfall
In Zaamslag, in September, during 8.8 rainfall days, 12mm (0.47") of precipitation is typically accumulated. Throughout the year, there are 131.1 rainfall days, and 188mm (7.4") of precipitation is accumulated.Snowfall
In Zaamslag, snow does not fall in April through October.Daylight
The average length of the day in September in Zaamslag is 12h and 38min.On the first day of September, sunrise is at 06:58 and sunset at 20:30. On the last day of the month, sunrise is at 07:44 and sunset at 19:24 CEST.
Sunshine
In September, the average sunshine is 7.4h.UV index
In Zaamslag, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index of 4 during September leads to these instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the usual temperature for Zaamslag in September?
What is the average humidity in September in Zaamslag?
How much does it rain in Zaamslag in September?
When it does not snow in Zaamslag?
What is the average length of the day in September in Zaamslag?
When are sunrise and sunset in September in Zaamslag?
How many hours of sunshine does Zaamslag have in September?
What is the UV index intensity in September in Zaamslag?
Average temperature in September
Zaamslag, Netherlands
- Average high temperature in September: 19°C
The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 12.8°C
The month with the highest average low temperature is August (15.1°C).
The coldest month (with the lowest average low temperature) is February (2.4°C).
Average pressure in September
Zaamslag, 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 (1011.8mbar).
Average wind speed in September
Zaamslag, Netherlands
- Average wind speed in September: 14.7km/h
The windiest month (with the highest average wind speed) is December (20.2km/h).
The calmest month (with the lowest average wind speed) is July (13.8km/h).
Average humidity in September
Zaamslag, Netherlands
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (85%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Zaamslag, Netherlands
- Average rainfall in September: 12mm
The wettest months (with the highest rainfall) are July and December (20mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Zaamslag, Netherlands
- Average rainfall days in September: 8.8 days
The months with the highest number of rainy days are July and December (12.4 days).
The month with the least rainy days is September (8.8 days).
Average snowfall in September
Zaamslag, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (12mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Zaamslag, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (2.6 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
Zaamslag, 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: 8h and 0min).
- Average sunshine in September: 7h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Zaamslag, Netherlands
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is April (17.8 days).
The month with the least sunshine days is June (14.2 days).
Average UV index in September
Zaamslag, 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
Zaamslag, Netherlands
- Average cloud cover in September: 41
The month with the most cloud cover is December (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 38).
Average visibility in September
Zaamslag, Netherlands
- Average visibility in September: 10km
The months with the highest visibility are April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, November and December (9km).
Zaamslag, Netherlands
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