September weather forecast and climate
Bomal, Belgium

Weather in September

The first month of the autumn, September, is still a comfortable month in Bomal, Belgium, with average temperature ranging between min 9°C (48.2°F) and max 18°C (64.4°F).

Temperature

In Bomal, the average high-temperature marginally drops, from a pleasant 21.7°C (71.1°F) in August, to an enjoyable 18°C (64.4°F). In September, in Bomal, the average low-temperature is 9°C (48.2°F).

Humidity

In Bomal, the average relative humidity is 82%.

Rainfall

In September, in Bomal, Belgium, the rain falls for 13.5 days. Throughout September, 39mm (1.54") of precipitation is accumulated. In Bomal, during the entire year, the rain falls for 184.8 days and collects up to 546mm (21.5") of precipitation.

Snowfall

In Bomal snow does not fall in June through September.

Daylight

In September, the average length of the day in Bomal, Belgium, is 12.6h.

Sunshine

In September, the average sunshine is 7.6h.

UV index

In September, the average daily maximum UV index is 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unsafe exposure to the UV radiation for ordinary individuals.
Note: In September, the average maximum UV index of 3 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Bomal?

In Bomal, in September, the average high-temperature is 18°C (64.4°F), and the average low-temperature is 9°C (48.2°F).

What is the average humidity in September in Bomal?

The average relative humidity in September is 82%.

How many days does it rain in September in Bomal?

In Bomal, Belgium, during September, the rain falls for 13.5 days and regularly aggregates up to 39mm (1.54") of precipitation.

Does it snow in Bomal in September?

In Bomal, in September, it doesn't snow. In October, it regularly snows.

When it does not snow in Bomal?

In Bomal, Belgium, snow does not fall in June through September.

How many hours of daylight does Bomal have in September?

The average length of the day in September in Bomal, Belgium, is 12.6h.

How long on average sun shines in September in Bomal?

In Bomal, Belgium, the average sunshine in September is 7.6h.

What is the UV index reading in September in Bomal?

The average daily maximum UV index in September is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unsafe exposure to the Sun's UV rays.

Average temperature in September
Bomal, Belgium

Average temperature in September - Bomal, Belgium
  • Average high temperature in September: 18°C

The warmest months (with the highest average high temperature) are July and August (21.7°C).
The month with the lowest average high temperature is January (3.6°C).

  • Average low temperature in September: 9°C

The month with the highest average low temperature is August (11.8°C).
The coldest month (with the lowest average low temperature) is January (-0.8°C).

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Average pressure in September
Bomal, Belgium

Average pressure in September - Bomal, Belgium
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1013.2mbar).

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Average wind speed in September
Bomal, Belgium

Average wind speed in September - Bomal, Belgium
  • Average wind speed in September: 10.7km/h

The windiest month (with the highest average wind speed) is December (16.8km/h).
The calmest month (with the lowest average wind speed) is August (10.3km/h).

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Average humidity in September
Bomal, Belgium

Average humidity in September - Bomal, Belgium
  • Average humidity in September: 82%

The month with the highest relative humidity is December (91%).
Months with the lowest relative humidity are April and August (79%).

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Average rainfall in September
Bomal, Belgium

Average rainfall in September - Bomal, Belgium
  • Average rainfall in September: 39mm

The wettest month (with the highest rainfall) is December (66mm).
The driest month (with the least rainfall) is April (29mm).

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Average rainfall days in September
Bomal, Belgium

Average rainfall days in September - Bomal, Belgium
  • Average rainfall days in September: 13.5 days

The month with the highest number of rainy days is July (18 days).
The month with the least rainy days is February (11.8 days).

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Average snowfall in September
Bomal, Belgium

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

The month with the highest snowfall is January (72mm).
Months with the least snowfall are June, July, August and September (0mm).

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Average snowfall days in September
Bomal, Belgium

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

The month with the highest number of snowfall days is January (7.8 days).
Months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in September / Average sunshine in September - Bomal, Belgium
  • Average daylight in September: 12.6h

The month with the longest days is June (Average daylight: 16.3h).
The month with the shortest days is December (Average daylight: 8.1h).

  • Average sunshine in September: 7.6h

The month with the most sunshine is August (Average sunshine: 9.1h).
The month with the least sunshine is December (Average sunshine: 3.2h).

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Average sunshine days in September
Bomal, Belgium

Average sunshine days in September - Bomal, Belgium
  • Average sunshine days in September: 13.3 days

The month with the most sunshine days is March (13.7 days).
The month with the least sunshine days is December (9.2 days).

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Average UV index in September
Bomal, Belgium

Average UV index in September - Bomal, Belgium
  • Average UV index in September: 3

Months with the highest UV index are June and July (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in September
Bomal, Belgium

Average cloud cover in September - Bomal, Belgium
  • Average cloud cover in September: 44

The month with the most cloud cover is December (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 42).

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Average visibility in September
Bomal, Belgium

Average visibility in September - Bomal, Belgium
  • Average visibility in September: 8km

Months with the highest visibility are March and April (9km).
Months with the lowest visibility are January, February, May, June, July, August, September, October, November and December (8km).

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