September weather forecastNimy, Belgium

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Nimy, Belgium, with an average temperature ranging between max 19.4°C (66.9°F) and min 10.4°C (50.7°F).

Temperature

As Nimy enters September, the average high-temperature subtly lowers from the a pleasant 22.7°C (72.9°F) of August to an enjoyable 19.4°C (66.9°F). An average minimum temperature of 10.4°C (50.7°F) is recorded during the month of September.

Humidity

In Nimy, the average relative humidity in September is 80%.

Rainfall

September is the month with the least rainfall in Nimy. Rain falls for 12.9 days and accumulates 26mm (1.02") of precipitation.

Snowfall

April through September are months without snowfall.

Daylight

In September, the average length of the day is 12h and 37min.
On the first day of the month, sunrise is at 06:59 and sunset at 20:28. On the last day of September, sunrise is at 07:43 and sunset at 19:24 CEST.

Sunshine

In Nimy, the average sunshine in September is 7.4h.

UV index

The average daily maximum UV index in September in Nimy is 4. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 4 suggests this advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.

Frequently asked questions

During September, Nimy experiences an average high-temperature of 19.4°C (66.9°F) and a low-temperature of 10.4°C (50.7°F).

The average relative humidity in September is 80%.

September is the month with the least rainfall in Nimy, Belgium. Rain falls for 12.9 days and accumulates 26mm (1.02") of precipitation.

In Nimy, Belgium, during September, the rain falls for 12.9 days and regularly aggregates up to 26mm (1.02") of precipitation.

In Nimy, Belgium, snow does not fall in April through September.

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

In September, the average day length is 12h and 37min.

On the first day of September, sunrise is at 06:59 and sunset at 20:28. On the last day of the month, sunrise is at 07:43 and sunset at 19:24 CEST.

In Nimy, Belgium, the average sunshine duration in September is 7.4h.

In Nimy, Belgium, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Nimy, Belgium

  • Average high temperature in September: 19.4°C

The warmest months (with the highest average high temperature) are July and August (22.7°C).
The month with the lowest average high temperature is January (5°C).

  • Average low temperature in September: 10.4°C

The months with the highest average low temperature are July and August (12.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in September
Nimy, 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 (1012.6mbar).

Average wind speed in September
Nimy, Belgium

  • Average wind speed in September: 12.3km/h

The windiest month (with the highest average wind speed) is December (18.8km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).

Average humidity in September
Nimy, Belgium

  • Average humidity in September: 80%

The month with the highest relative humidity is December (89%).
The months with the lowest relative humidity are July and August (77%).

Average rainfall in September
Nimy, Belgium

  • Average rainfall in September: 26mm

The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is September (26mm).

Average rainfall days in September
Nimy, Belgium

  • Average rainfall days in September: 12.9 days

The month with the highest number of rainy days is July (18.5 days).
The month with the least rainy days is March (12.8 days).

Average snowfall in September
Nimy, Belgium

  • Average snowfall in September: 0mm

The month with the highest snowfall is January (31mm).
The months with the least snowfall are April, May, June, July, August and September (0mm).

Average snowfall days in September
Nimy, Belgium

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (3.3 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
Nimy, Belgium

  • Average daylight in September: 12h and 36min

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 24min

The months with the most sunshine are July and August (Average sunshine: 8h and 48min).
The months with the least sunshine are January and December (Average sunshine: 3h and 42min).

Average sunshine days in September
Nimy, Belgium

  • Average sunshine days in September: 14.6 days

The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is July (9.8 days).

Average UV index in September
Nimy, 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
Nimy, Belgium

  • Average cloud cover in September: 44

The month with the most cloud cover is January (Cloud cover 63).
The months with the least cloud cover are April and August (Cloud cover 43).

Average visibility in September
Nimy, Belgium

  • Average visibility in September: 8km

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