September weather forecastLoon, Netherlands

September

Weather in September

September, the first month of the autumn in Loon, is also an enjoyable month, with temperature in the range of an average low of 10.7°C (51.3°F) and an average high of 18.5°C (65.3°F).

Temperature

The arrival of September corresponds with a minor reduction in the average high-temperature, down from August's agreeable 21.9°C (71.4°F) to a refreshing 18.5°C (65.3°F). Loon in September anticipates an average nighttime temperature of 10.7°C (51.3°F).

Humidity

In Loon, the average relative humidity in September is 83%.

Rainfall

In September, the rain falls for 11.1 days. Throughout September, 27mm (1.06") of precipitation is accumulated. Throughout the year, in Loon, there are 176.6 rainfall days, and 457mm (17.99") of precipitation is accumulated.

Snowfall

May through October are months without snowfall in Loon, Netherlands.

Daylight

In Loon, the average length of the day in September is 12h and 40min.
On the first day of the month, sunrise is at 06:44 and sunset at 20:22. On the last day of September, sunrise is at 07:34 and sunset at 19:12 CEST.

Sunshine

The average sunshine in September in Loon is 6.9h.

UV index

In Loon, Netherlands, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: An average maximum UV index of 4 in September leads to these recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays.

Frequently asked questions

September temperatures in Loon, Netherlands, vary between a high-temperature of 18.5°C (65.3°F) and a low-temperature of 10.7°C (51.3°F).

In September, the average relative humidity in Loon, Netherlands, is 83%.

In September, the rain falls for 11.1 days. Throughout September, 27mm (1.06") of precipitation is accumulated.

In Loon, snow does not fall in May through October.

The average day length in September is 12h and 40min.

On the first day of September, sunrise is at 06:44 and sunset at 20:22. On the last day of the month, sunrise is at 07:34 and sunset at 19:12 CEST.

In Loon, the average sunshine duration in September is 6.9h.

In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's 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
Loon, Netherlands

  • Average high temperature in September: 18.5°C

The warmest month (with the highest average high temperature) is August (21.9°C).
The month with the lowest average high temperature is January (4.3°C).

  • Average low temperature in September: 10.7°C

The month with the highest average low temperature is August (13.2°C).
The coldest month (with the lowest average low temperature) is February (0.5°C).

Average pressure in September
Loon, Netherlands

  • Average pressure in September: 1016.5mbar

The month with the highest atmospheric pressure is September (1016.5mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).

Average wind speed in September
Loon, Netherlands

  • Average wind speed in September: 13km/h

The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.7km/h).

Average humidity in September
Loon, Netherlands

  • Average humidity in September: 83%

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

Average rainfall in September
Loon, Netherlands

  • Average rainfall in September: 27mm

The wettest month (with the highest rainfall) is July (49mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Loon, Netherlands

  • Average rainfall days in September: 11.1 days

The month with the highest number of rainy days is July (18.8 days).
The month with the least rainy days is September (11.1 days).

Average snowfall in September
Loon, Netherlands

  • Average snowfall in September: 0mm

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

Average snowfall days in September
Loon, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in September /
Average sunshine in September
Loon, Netherlands

  • Average daylight in September: 12h and 42min

The month with the longest days is June (Average daylight: 16h and 48min).
The month with the shortest days is December (Average daylight: 7h and 42min).

  • Average sunshine in September: 6h and 54min

The months with the most sunshine are July and August (Average sunshine: 8h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).

Average sunshine days in September
Loon, Netherlands

  • Average sunshine days in September: 16.7 days

The months with the most sunshine days are September and October (16.7 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in September
Loon, Netherlands

  • 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
Loon, Netherlands

  • Average cloud cover in September: 51

The month with the most cloud cover is December (Cloud cover 71).
The month with the least cloud cover is April (Cloud cover 44).

Average visibility in September
Loon, Netherlands

  • Average visibility in September: 8km

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