September weather forecastJemappes, Belgium

September

Weather in September

The first month of the autumn, September, is still a comfortable month in Jemappes, Belgium, with an average temperature varying between 10.5°C (50.9°F) and 19.5°C (67.1°F).

Temperature

September indicates a minor shift in the average high-temperature, from August's pleasant 22.7°C (72.9°F) to a refreshing 19.5°C (67.1°F). Jemappes usually reports an average low-temperature of 10.5°C (50.9°F) during the month of September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Jemappes, Belgium, during September, the rain falls for 13.2 days and regularly aggregates up to 32mm (1.26") of precipitation. Throughout the year, in Jemappes, there are 181.2 rainfall days, and 503mm (19.8") of precipitation is accumulated.

Snowfall

April through September are months without snowfall in Jemappes.

Daylight

In Jemappes, the average length of the day in September 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 Jemappes, the average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September in Jemappes is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - Suggestions to safeguard against sun damage are in order. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage.

Frequently asked questions

The high-temperature, in September, in Jemappes, is 19.5°C (67.1°F), while the low-temperature averages to 10.5°C (50.9°F).

In September, the average relative humidity in Jemappes, Belgium, is 79%.

In Jemappes, in September, it is raining for 13.2 days, with typically 32mm (1.26") of accumulated precipitation.

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

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

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

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

The average sunshine duration in September is 7.3h.

In September, the average daily maximum UV index in Jemappes, Belgium, is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
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
Jemappes, Belgium

  • Average high temperature in September: 19.5°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: 10.5°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
Jemappes, 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 (1012.6mbar).

Average wind speed in September
Jemappes, 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
Jemappes, Belgium

  • Average humidity in September: 79%

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
Jemappes, Belgium

  • Average rainfall in September: 32mm

The wettest month (with the highest rainfall) is December (60mm).
The driest month (with the least rainfall) is April (28mm).

Average rainfall days in September
Jemappes, Belgium

  • Average rainfall days in September: 13.2 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
Jemappes, 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
Jemappes, 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
Jemappes, 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 18min

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

Average sunshine days in September
Jemappes, 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
Jemappes, 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
Jemappes, 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
Jemappes, 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).