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
September ushers in a minor alteration in Harelbeke's climate, with the average high-temperature moving from August's moderately hot 23.1°C (73.6°F) to an enjoyable 19.7°C (67.5°F). Harelbeke records an average nighttime low of 11.5°C (52.7°F) in September.Humidity
In September, the average relative humidity 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
In Harelbeke, snow does not fall in March through November.Daylight
In Harelbeke, Belgium, the average length of the day in September is 12h and 38min.On the first day of September, sunrise is at 07:01 and sunset at 20:31. On the last day of the month, sunrise is at 07:46 and sunset at 19:26 CEST.
Sunshine
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, 4 in September, converts into the following recommendations:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Frequently asked questions
What is the temperature in September in Harelbeke?
What is the average humidity in September in Harelbeke?
What is the driest month in Harelbeke?
How many days does it rain in September in Harelbeke?
When it does not snow in Harelbeke?
What is the average length of the day in September in Harelbeke?
What time are sunrise and sunset in September in Harelbeke?
How long on average sun shines in September in Harelbeke?
What is the UV index reading in September in Harelbeke?
Average temperature in September
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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
Harelbeke, 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).
Harelbeke, Belgium
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