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
A subtle shift in Grafhorst's weather is observed as August turns into September, with the average high temperature reducing from an agreeable 22.3°C (72.1°F) to a comfortable 18.5°C (65.3°F). Grafhorst's temperature lowers to a mean of 10.9°C (51.6°F) during the nights in September.Humidity
In September, the average relative humidity is 83%.Rainfall
In September, the rain falls for 9.3 days. Throughout September, 13mm (0.51") of precipitation is accumulated. Throughout the year, there are 129.5 rainfall days, and 203mm (7.99") of precipitation is accumulated.Snowfall
April through November are months without snowfall in Grafhorst.Daylight
In September, the average length of the day is 12h and 40min.On the first day of September in Grafhorst, sunrise is at 06:48 and sunset at 20:24. On the last day of the month, sunrise is at 07:36 and sunset at 19:15 CEST.
Sunshine
The average sunshine in September is 7.1h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum UV index, 4 during September, leads to the following recommendations:
Undertake precautions - Obligation exists to protect against skin and eye damage. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Grafhorst in September?
What is the average humidity in September in Grafhorst?
How many days does it rain in September in Grafhorst?
When it does not snow in Grafhorst?
What is the average length of the day in September in Grafhorst?
When is the sunrise / sunset in September in Grafhorst?
How many hours of sunshine does Grafhorst have in September?
What is the UV index intensity in September in Grafhorst?
Average temperature in September
Grafhorst, Netherlands
- Average high temperature in September: 18.5°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 (4.6°C).
- Average low temperature in September: 10.9°C
The month with the highest average low temperature is August (13.5°C).
The coldest month (with the lowest average low temperature) is February (0.8°C).
Average pressure in September
Grafhorst, Netherlands
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.5mbar).
Average wind speed in September
Grafhorst, Netherlands
- Average wind speed in September: 12.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest months (with the lowest average wind speed) are July and August (12.3km/h).
Average humidity in September
Grafhorst, 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 (75%).
Average rainfall in September
Grafhorst, Netherlands
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is June (25mm).
The driest month (with the least rainfall) is April (10mm).
Average rainfall days in September
Grafhorst, Netherlands
- Average rainfall days in September: 9.3 days
The month with the highest number of rainy days is July (13.9 days).
The month with the least rainy days is October (8.9 days).
Average snowfall in September
Grafhorst, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Grafhorst, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Grafhorst, Netherlands
- Average daylight in September: 12h and 4min
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: 7h and 1min
The month with the most sunshine is July (Average sunshine: 8h and 54min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Grafhorst, Netherlands
- Average sunshine days in September: 17.3 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is June (13.3 days).
Average UV index in September
Grafhorst, 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, March, November and December (UV index 2).
Average cloud cover in September
Grafhorst, Netherlands
- Average cloud cover in September: 48
The month with the most cloud cover is December (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 43).
Average visibility in September
Grafhorst, 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).
