Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
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
What are September temperatures in Jonas?
What is the average humidity in September in Jonas?
How much does it rain in Jonas in September?
When it does not snow in Jonas?
What is the average length of the day in September in Jonas?
What time are sunrise and sunset in September in Jonas?
How long on average sun shines in September in Jonas?
How high is the UV index in September in Jonas?
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 4min
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 2min
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).
Jonas, Netherlands
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