September weather forecast
Bassee, Belgium

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Bassee, Belgium, with an average temperature fluctuating between 19°C (66.2°F) and 10.3°C (50.5°F).

Temperature

Bassee experiences a moderate temperature shift at the start of September, with average high-temperatures adjusting a bit from an agreeable 22.4°C (72.3°F) in August to an enjoyable 19°C (66.2°F). The month of September records an average low-temperature of 10.3°C (50.5°F).

Humidity

In September, the average relative humidity is 79%.

Rainfall

In September, the rain falls for 13.8 days. Throughout September, 36mm (1.42") of precipitation is accumulated. Throughout the year, there are 180.9 rainfall days, and 510mm (20.08") of precipitation is accumulated.

Snowfall

In Bassee, snow does not fall in April through September.

Daylight

The average length of the day in September is 12h and 37min.
On the first day of September, sunrise is at 06:57 and sunset at 20:26. On the last day of the month, sunrise is at 07:41 and sunset at 19:22 CEST.

Sunshine

In Bassee, the average sunshine in September is 7.3h.

UV index

In Bassee, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.

Frequently asked questions

What are the temperatures in September?
In September, in Bassee, the average high-temperature is 19°C (66.2°F), and the average low-temperature is 10.3°C (50.5°F).
What is the average humidity in September?
The average relative humidity in September is 79%.
How much does it rain in September?
In September, the rain falls for 13.8 days. Throughout September, 36mm (1.42") of precipitation is accumulated.
When it does not snow?
In Bassee, snow does not fall in April through September.
Does it snow in September?
In Bassee, in September, it doesn't snow. In October, it regularly snows.
What is the average length of the day in September?
The average day length in September is 12h and 37min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 06:57 and sunset at 20:26. On the last day of the month, sunrise is at 07:41 and sunset at 19:22 CEST.
How long on average sun shines in September?
The average sunshine duration in September is 7.3h.
How high is the UV index in September?
The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Bassee, Belgium
Average temperature in September
Bassee, Belgium
  • Average high temperature in September: 19°C

The warmest month (with the highest average high temperature) is August (22.4°C).
The month with the lowest average high temperature is January (4.6°C).

  • Average low temperature in September: 10.3°C

The month with the highest average low temperature is August (13.3°C).
The coldest month (with the lowest average low temperature) is January (0.6°C).

Average pressure in September - Bassee, Belgium
Average pressure in September
Bassee, 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 (1012.8mbar).

Average wind speed in September - Bassee, Belgium
Average wind speed in September
Bassee, Belgium
  • Average wind speed in September: 12km/h

The windiest month (with the highest average wind speed) is December (18.7km/h).
The calmest month (with the lowest average wind speed) is August (11.6km/h).

Average humidity in September - Bassee, Belgium
Average humidity in September
Bassee, Belgium
  • Average humidity in September: 79%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is August (76%).

Average rainfall in September - Bassee, Belgium
Average rainfall in September
Bassee, Belgium
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (30mm).

Average rainfall days in September - Bassee, Belgium
Average rainfall days in September
Bassee, Belgium
  • Average rainfall days in September: 13.8 days

The month with the highest number of rainy days is August (17.8 days).
The month with the least rainy days is February (12.1 days).

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

The month with the highest snowfall is February (47mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

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

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September / Average sunshine in September - Bassee, Belgium
Average daylight in September /
Average sunshine in September
Bassee, 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 6min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is July (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 30min).

Average sunshine days in September - Bassee, Belgium
Average sunshine days in September
Bassee, Belgium
  • Average sunshine days in September: 13.9 days

The month with the most sunshine days is March (14.2 days).
The month with the least sunshine days is August (10.4 days).

Average UV index in September - Bassee, Belgium
Average UV index in September
Bassee, Belgium
  • Average UV index in September: 4

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

Average cloud cover in September - Bassee, Belgium
Average cloud cover in September
Bassee, Belgium
  • Average cloud cover in September: 45

The months with the most cloud cover are January and December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 44).

Average visibility in September - Bassee, Belgium
Average visibility in September
Bassee, Belgium
  • Average visibility in September: 9km

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

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