September weather forecastJonas, Netherlands

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Jonas, Netherlands, with an average temperature ranging between max 18.7°C (65.7°F) and min 10.9°C (51.6°F).

Temperature

With the beginning of September, the average high-temperature shows a small decrease, transitioning from an agreeable 22.3°C (72.1°F) in August to an enjoyable 18.7°C (65.7°F). Jonas experiences a consistent average temperature of 10.9°C (51.6°F) throughout the nights in September.

Humidity

In September, the average relative humidity is 82%.

Rainfall

In Jonas, in September, during 16.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated. In Jonas, Netherlands, during the entire year, the rain falls for 200.5 days and collects up to 544mm (21.42") of precipitation.

Snowfall

April through November are months without snowfall.

Daylight

In September, the average length of the day in Jonas is 12h and 40min.
On the first day of the month, sunrise is at 06:48 and sunset at 20:23. On the last day of September, in Jonas, sunrise is at 07:36 and sunset at 19:15 CEST.

Sunshine

In Jonas, Netherlands, the average sunshine in September is 7.3h.

UV index

The average daily maximum UV index in September in Jonas is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. When the Sun is at its strongest around midday, find shade and limit exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.

Frequently asked questions

September temperatures in Jonas vary between a high-temperature of 18.7°C (65.7°F) and a low-temperature of 10.9°C (51.6°F).

In Jonas, the average relative humidity in September is 82%.

In Jonas, in September, during 16.1 rainfall days, 37mm (1.46") of precipitation is typically accumulated.

In Jonas, snow does not fall in April through November.

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

On the first day of September, sunrise is at 06:48 and sunset at 20:23. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.

In Jonas, Netherlands, the average sunshine duration in September is 7.3h.

The average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from 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
Jonas, Netherlands

  • Average high temperature in September: 18.7°C

The warmest month (with the highest average high temperature) is August (22.3°C).
The month with the lowest average high temperature is January (4.5°C).

  • Average low temperature in September: 10.9°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

Average pressure in September
Jonas, Netherlands

  • Average pressure in September: 1017mbar

The month with the highest atmospheric pressure is September (1017mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).

Average wind speed in September
Jonas, Netherlands

  • Average wind speed in September: 12.1km/h

The windiest month (with the highest average wind speed) is December (18km/h).
The calmest months (with the lowest average wind speed) are July and August (11.8km/h).

Average humidity in September
Jonas, Netherlands

  • Average humidity in September: 82%

The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (75%).

Average rainfall in September
Jonas, Netherlands

  • Average rainfall in September: 37mm

The wettest month (with the highest rainfall) is July (59mm).
The driest month (with the least rainfall) is April (25mm).

Average rainfall days in September
Jonas, Netherlands

  • Average rainfall days in September: 16.1 days

The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is April (13.9 days).

Average snowfall in September
Jonas, Netherlands

  • Average snowfall in September: 0mm

The month with the highest snowfall is December (28mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in September
Jonas, Netherlands

  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (4.6 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
Jonas, Netherlands

  • Average daylight in September: 12h and 42min

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

  • Average sunshine in September: 7h and 18min

The months with the most sunshine are July and August (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).

Average sunshine days in September
Jonas, Netherlands

  • Average sunshine days in September: 10.3 days

The month with the most sunshine days is April (13.9 days).
The month with the least sunshine days is July (7.5 days).

Average UV index in September
Jonas, Netherlands

  • Average UV index in September: 4

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

Average cloud cover in September
Jonas, Netherlands

  • Average cloud cover in September: 46

The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 42).

Average visibility in September
Jonas, Netherlands

  • 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).