September weather forecastSlikkendam, Netherlands
September
Weather in September
September, the first month of the autumn in Slikkendam, is still a comfortable month, with temperature in the range of an average high of 18.2°C (64.8°F) and an average low of 13.2°C (55.8°F).Temperature
With the arrival of September, Slikkendam experiences a modest decline in average high-temperatures, transitioning from an agreeable 21.3°C (70.3°F) in August to an enjoyable 18.2°C (64.8°F). September is characterized by a steady nighttime low-temperature of 13.2°C (55.8°F).Humidity
The average relative humidity in September is 78%.Rainfall
In Slikkendam, in September, it is raining for 14.5 days, with typically 39mm (1.54") of accumulated precipitation. In Slikkendam, during the entire year, the rain falls for 193.3 days and collects up to 526mm (20.71") of precipitation.Snowfall
In Slikkendam, snow does not fall in April through October.Daylight
The average length of the day in September in Slikkendam is 12h and 39min.On the first day of September, sunrise is at 06:53 and sunset at 20:27. On the last day of the month, sunrise is at 07:40 and sunset at 19:19 CEST.
Sunshine
In September, the average sunshine is 7.2h.UV index
In Slikkendam, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 4 in September translates into the following recommendations:
Heed the precautions - Suggestions to avoid sunburn are made. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Slikkendam, Netherlands
- Average high temperature in September: 18.2°C
The warmest month (with the highest average high temperature) is August (21.3°C).
The month with the lowest average high temperature is January (5.6°C).
- Average low temperature in September: 13.2°C
The month with the highest average low temperature is August (15.3°C).
The coldest months (with the lowest average low temperature) are January and February (2.6°C).
Average pressure in September
Slikkendam, Netherlands
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Slikkendam, Netherlands
- Average wind speed in September: 15.3km/h
The windiest month (with the highest average wind speed) is December (22.2km/h).
The calmest month (with the lowest average wind speed) is July (14.4km/h).
Average humidity in September
Slikkendam, Netherlands
- Average humidity in September: 78%
The months with the highest relative humidity are January and December (84%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Slikkendam, Netherlands
- Average rainfall in September: 39mm
The wettest month (with the highest rainfall) is December (65mm).
The driest month (with the least rainfall) is April (22mm).
Average rainfall days in September
Slikkendam, Netherlands
- Average rainfall days in September: 14.5 days
The month with the highest number of rainy days is December (20.5 days).
The month with the least rainy days is October (13 days).
Average snowfall in September
Slikkendam, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (28mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Slikkendam, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.6 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
Slikkendam, Netherlands
- Average daylight in September: 12h and 42min
The month with the longest days is June (Average daylight: 16h and 42min).
The month with the shortest days is December (Average daylight: 7h and 48min).
- Average sunshine in September: 7h and 12min
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 24min).
Average sunshine days in September
Slikkendam, Netherlands
- Average sunshine days in September: 13.1 days
The month with the most sunshine days is October (15.5 days).
The month with the least sunshine days is December (6.1 days).
Average UV index in September
Slikkendam, 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
Slikkendam, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 38).
Average visibility in September
Slikkendam, 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).
