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
The arrival of September corresponds with a light shift in temperature, down from a warm 23.1°C (73.6°F) in August to a refreshing 19.7°C (67.5°F). Deerlijk's temperature in September lowers to a consistent average of 11.5°C (52.7°F) during the nights.Humidity
In September, the average relative humidity in Deerlijk is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 5.1 days and typically collects 4mm (0.16") of precipitation.Snowfall
March through November are months without snowfall in Deerlijk.Daylight
In September, the average length of the day in Deerlijk is 12h and 38min.On the first day of the month, sunrise is at 07:01 and sunset at 20:31. On the last day of September, in Deerlijk, sunrise is at 07:46 and sunset at 19:26 CEST.
Sunshine
In Deerlijk, Belgium, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Deerlijk?
What is the average humidity in September in Deerlijk?
What is the driest month in Deerlijk?
How much does it rain in Deerlijk in September?
When it does not snow in Deerlijk?
What is the average length of the day in September in Deerlijk?
When is the sunrise / sunset in September in Deerlijk?
How many hours of sunshine does Deerlijk have in September?
How high is the UV index in September in Deerlijk?
Average temperature in September
Deerlijk, Belgium
- Average high temperature in September: 19.7°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (5.8°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (1.5°C).
Average pressure in September
Deerlijk, Belgium
- Average pressure in September: 1017.5mbar
The month with the highest atmospheric pressure is September (1017.5mbar).
The month with the lowest atmospheric pressure is November (1012.1mbar).
Average wind speed in September
Deerlijk, Belgium
- Average wind speed in September: 12.3km/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 (12km/h).
Average humidity in September
Deerlijk, Belgium
- Average humidity in September: 77%
The months with the highest relative humidity are January and December (87%).
The month with the lowest relative humidity is August (73%).
Average rainfall in September
Deerlijk, Belgium
- Average rainfall in September: 4mm
The wettest months (with the highest rainfall) are June and December (13mm).
The driest month (with the least rainfall) is September (4mm).
Average rainfall days in September
Deerlijk, Belgium
- Average rainfall days in September: 5.1 days
The month with the highest number of rainy days is June (9.3 days).
The month with the least rainy days is September (5.1 days).
Average snowfall in September
Deerlijk, Belgium
- Average snowfall in September: 0mm
The month with the highest snowfall is January (7mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Deerlijk, Belgium
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Deerlijk, Belgium
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 24min).
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: 9h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).
Average sunshine days in September
Deerlijk, Belgium
- Average sunshine days in September: 22.9 days
The month with the most sunshine days is September (22.9 days).
The month with the least sunshine days is June (16.3 days).
Average UV index in September
Deerlijk, 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
Deerlijk, Belgium
- Average cloud cover in September: 42
The months with the most cloud cover are January and December (Cloud cover 61).
The months with the least cloud cover are April and August (Cloud cover 41).
Average visibility in September
Deerlijk, 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).
