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
September
Weather in September
Temperature
September brings a minor shift in the average high-temperature, adjusting from an agreeable 22.1°C (71.8°F) in August to a comfortable 18.7°C (65.7°F). September is noted for a mean low-temperature of 11.5°C (52.7°F).Humidity
In Groenekan, the average relative humidity in September is 81%.Rainfall
In Groenekan, during September, the rain falls for 7.9 days and regularly aggregates up to 10mm (0.39") of precipitation. In Groenekan, during the entire year, the rain falls for 116.8 days and collects up to 163mm (6.42") of precipitation.Snowfall
March through November are months without snowfall.Daylight
In September, the average length of the day is 12h and 39min.On the first day of the month, sunrise is at 06:51 and sunset at 20:26. On the last day of September, sunrise is at 07:39 and sunset at 19:18 CEST.
Sunshine
In Groenekan, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A daily high UV index of 4 in September leads to these guidelines:
Act with care - The need to guard against sun damage is communicated. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Groenekan?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Groenekan have in September?
What is the UV index reading in September in Groenekan?
Average temperature in September
Groenekan, Netherlands
- Average high temperature in September: 18.7°C
The warmest months (with the highest average high temperature) are July and August (22.1°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 11.5°C
The month with the highest average low temperature is August (14°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).
Average pressure in September
Groenekan, 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 (1011.5mbar).
Average wind speed in September
Groenekan, Netherlands
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (17.9km/h).
The calmest month (with the lowest average wind speed) is August (11.9km/h).
Average humidity in September
Groenekan, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (75%).
Average rainfall in September
Groenekan, Netherlands
- Average rainfall in September: 10mm
The wettest months (with the highest rainfall) are June and July (19mm).
The driest month (with the least rainfall) is April (8mm).
Average rainfall days in September
Groenekan, Netherlands
- Average rainfall days in September: 7.9 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is October (7.3 days).
Average snowfall in September
Groenekan, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (12mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Groenekan, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.2 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
Groenekan, 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 month with the most sunshine is July (Average sunshine: 9h and 30min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Groenekan, Netherlands
- Average sunshine days in September: 18 days
The month with the most sunshine days is October (21.5 days).
The month with the least sunshine days is June (12.7 days).
Average UV index in September
Groenekan, Netherlands
- 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
Groenekan, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Groenekan, Netherlands
- 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).
