September weather forecast
Effen, Netherlands

September

Weather in September

September, the first month of the autumn in Effen, is still a comfortable month, with temperature in the range of an average high of 19.2°C (66.6°F) and an average low of 11.5°C (52.7°F).

Temperature

September's onset brings a negligible change in high-temperatures, falling from a pleasant 22.6°C (72.7°F) in August to a comfortable 19.2°C (66.6°F). Nighttime temperature in Effen experiences an average drop to a fresh 11.5°C (52.7°F) in September.

Humidity

In September, the average relative humidity in Effen, Netherlands, is 80%.

Rainfall

In Effen, in September, it is raining for 15.8 days, with typically 41mm (1.61") of accumulated precipitation. Throughout the year, in Effen, there are 201.3 rainfall days, and 572mm (22.52") of precipitation is accumulated.

Snowfall

In Effen, snow does not fall in April through October.

Daylight

In Effen, the average length of the day in September is 12h and 38min.
On the first day of September, sunrise is at 06:54 and sunset at 20:27. On the last day of the month, sunrise is at 07:41 and sunset at 19:20 CEST.

Sunshine

In Effen, the average sunshine in September is 7.4h.

UV index

The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 4 in September interprets into the following advice:
Ensure safety - Recommendations to avert sunburn are presented. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

Frequently asked questions

What is the usual temperature for Effen in September?
In September, in Effen, the average high-temperature is 19.2°C (66.6°F), and the average low-temperature is 11.5°C (52.7°F).
What is the average humidity in September in Effen?
The average relative humidity in September in Effen, Netherlands, is 80%.
How many days does it rain in September in Effen?
In Effen, Netherlands, in September, during 15.8 rainfall days, 41mm (1.61") of precipitation is typically accumulated.
When it does not snow in Effen?
April through October are months without snowfall in Effen, Netherlands.
How many hours of daylight does Effen have in September?
The average day length in September is 12h and 38min.
What time are sunrise and sunset in September in Effen?
In September, on the first day of the month, sunrise is at 06:54 and sunset at 20:27. On the last day of the month, in Effen, Netherlands, sunrise is at 07:41 and sunset at 19:20 CEST.
How long on average sun shines in September in Effen?
In September, the average sunshine duration in Effen, Netherlands, is 7.4h.
What is the UV index intensity in September in Effen?
In Effen, Netherlands, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September
Effen, Netherlands
  • Average high temperature in September: 19.2°C

The warmest month (with the highest average high temperature) is August (22.6°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 (13.9°C).
The coldest month (with the lowest average low temperature) is February (1.4°C).

Average pressure in September
Effen, Netherlands
  • Average pressure in September: 1017.1mbar

The month with the highest atmospheric pressure is September (1017.1mbar).
The month with the lowest atmospheric pressure is November (1011.9mbar).

Average wind speed in September
Effen, Netherlands
  • Average wind speed in September: 12km/h

The windiest months (with the highest average wind speed) are February and December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.7km/h).

Average humidity in September
Effen, Netherlands
  • Average humidity in September: 80%

The month with the highest relative humidity is December (88%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Effen, Netherlands
  • Average rainfall in September: 41mm

The wettest month (with the highest rainfall) is June (63mm).
The driest month (with the least rainfall) is April (24mm).

Average rainfall days in September
Effen, Netherlands
  • Average rainfall days in September: 15.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is February (14.2 days).

Average snowfall in September
Effen, Netherlands
  • Average snowfall in September: 0mm

The months with the highest snowfall are January and February (30mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

Average snowfall days in September
Effen, Netherlands
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (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
Effen, Netherlands
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 36min).
The month with the shortest days is December (Average daylight: 7h and 54min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is June (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).

Average sunshine days in September
Effen, Netherlands
  • Average sunshine days in September: 10.4 days

The month with the most sunshine days is March (13.8 days).
The month with the least sunshine days is August (7.8 days).

Average UV index in September
Effen, 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
Effen, Netherlands
  • Average cloud cover in September: 45

The month with the most cloud cover is December (Cloud cover 65).
The months with the least cloud cover are April and August (Cloud cover 42).

Average visibility in September
Effen, Netherlands
  • Average visibility in September: 9km

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

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