September weather forecast
Sijsele, Belgium

englishespañol中文
Share

Weather in September

September, the first month of the autumn in Sijsele, is still a comfortable month, with an average temperature fluctuating between 18.9°C (66°F) and 13.3°C (55.9°F).

Temperature

With the onset of September, the average high-temperature stands at a comfortable 18.9°C (66°F), closely aligned with August's 21.4°C (70.5°F). An average low-temperature of 13.3°C (55.9°F) is observed during September nights in Sijsele, Belgium.

Humidity

In September, the average relative humidity in Sijsele is 77%.

Rainfall

In September, the rain falls for 15.8 days. Throughout September, 38mm (1.5") of precipitation is accumulated. Throughout the year, there are 191 rainfall days, and 505mm (19.88") of precipitation is accumulated.

Snowfall

In Sijsele, snow does not fall in April through October.

Daylight

In Sijsele, Belgium, the average length of the day in September is 12h and 38min.
On the first day of September in Sijsele, sunrise is at 07:00 and sunset at 20:32. On the last day of the month, sunrise is at 07:46 and sunset at 19:26 CEST.

Sunshine

In Sijsele, Belgium, the average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
[Resources]

Frequently asked questions

What is the usual temperature for Sijsele in September?

An average high-temperature, in September, in Sijsele, is 18.9°C (66°F) and the average low-temperature is 13.3°C (55.9°F).

What is the average humidity in September in Sijsele?

The average relative humidity in September in Sijsele, Belgium, is 77%.

How many days does it rain in September in Sijsele?

In Sijsele, Belgium, in September, during 15.8 rainfall days, 38mm (1.5") of precipitation is typically accumulated.

When it does not snow in Sijsele?

April through October are months without snowfall in Sijsele, Belgium.

What is the average length of the day in September in Sijsele?

The average day length in September in Sijsele is 12h and 38min.

When is the sunrise / sunset in September in Sijsele?

On the first day of September in Sijsele, Belgium, sunrise is at 07:00 and sunset at 20:32. On the last day of the month, sunrise is at 07:46 and sunset at 19:26 CEST.

How long on average sun shines in September in Sijsele?

In Sijsele, Belgium, the average sunshine duration in September is 7.3h.

How high is the UV index in September in Sijsele?

In Sijsele, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover

Average temperature in September
Sijsele, Belgium

Average temperature in September - Sijsele, Belgium
  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is August (21.4°C).
The month with the lowest average high temperature is January (6.2°C).

  • Average low temperature in September: 13.3°C

The month with the highest average low temperature is August (15.1°C).
The coldest months (with the lowest average low temperature) are January and February (2.8°C).

[Resources]

Average pressure in September
Sijsele, Belgium

Average pressure in September - Sijsele, Belgium
  • 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 (1011.7mbar).

[Resources]

Average wind speed in September
Sijsele, Belgium

Average wind speed in September - Sijsele, Belgium
  • Average wind speed in September: 16.6km/h

The windiest month (with the highest average wind speed) is December (22.6km/h).
The calmest month (with the lowest average wind speed) is July (15.3km/h).

[Resources]

Average humidity in September
Sijsele, Belgium

Average humidity in September - Sijsele, Belgium
  • Average humidity in September: 77%

The months with the highest relative humidity are January and December (85%).
The months with the lowest relative humidity are April, July and August (76%).

[Resources]

Average rainfall in September
Sijsele, Belgium

Average rainfall in September - Sijsele, Belgium
  • Average rainfall in September: 38mm

The wettest months (with the highest rainfall) are August and December (56mm).
The driest month (with the least rainfall) is April (20mm).

[Resources]

Average rainfall days in September
Sijsele, Belgium

Average rainfall days in September - Sijsele, Belgium
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is November (18.6 days).
The month with the least rainy days is April (12.1 days).

[Resources]

Average snowfall in September
Sijsele, Belgium

Average snowfall in September - Sijsele, Belgium
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (27mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

[Resources]

Average snowfall days in September
Sijsele, Belgium

Average snowfall days in September - Sijsele, Belgium
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (3.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

[Resources]

Average daylight in September /
Average sunshine in September
Sijsele, Belgium

Average daylight in September / Average sunshine in September - Sijsele, Belgium
  • 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 24min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).

[Resources]

Average sunshine days in September
Sijsele, Belgium

Average sunshine days in September - Sijsele, Belgium
  • Average sunshine days in September: 11.1 days

The month with the most sunshine days is April (15.4 days).
The month with the least sunshine days is December (7 days).

[Resources]

Average UV index in September
Sijsele, Belgium

Average UV index in September - Sijsele, 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).

[Resources]

Average cloud cover in September
Sijsele, Belgium

Average cloud cover in September - Sijsele, Belgium
  • Average cloud cover in September: 41

The month with the most cloud cover is December (Cloud cover 62).
The months with the least cloud cover are April and August (Cloud cover 38).

[Resources]

Average visibility in September
Sijsele, Belgium

Average visibility in September - Sijsele, Belgium
  • Average visibility in September: 10km

The months with the highest visibility are March, April, May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, November and December (9km).

[Resources]

Sijsele, Belgium

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location