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
The beginning of September brings a minor change in the average high-temperature, shifting from a pleasant 22.5°C (72.5°F) in August to a refreshing 18.9°C (66°F). Heumen's average low-temperature in the month of September is recorded at a fresh 10.8°C (51.4°F).Humidity
In Heumen, the average relative humidity in September is 81%.Rainfall
In Heumen, during September, the rain falls for 14.7 days and regularly aggregates up to 30mm (1.18") of precipitation. Throughout the year, there are 174.3 rainfall days, and 417mm (16.42") of precipitation is accumulated.Snowfall
In Heumen, Netherlands, snow does not fall in April through October.Daylight
In Heumen, the average length of the day in September is 12h and 38min.On the first day of the month, sunrise is at 06:49 and sunset at 20:23. On the last day of September, sunrise is at 07:36 and sunset at 19:16 CEST.
Sunshine
In September, the average sunshine in Heumen is 7.5h.UV index
In Heumen, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 4 in September interprets into the following recommendations:
Ensure safety - Imperative it is to shield skin and eyes from damage. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Frequently asked questions
What is the temperature in September in Heumen?
What is the average humidity in September in Heumen?
How much does it rain in Heumen in September?
When it does not snow in Heumen?
What is the average length of the day in September in Heumen?
What time are sunrise and sunset in September in Heumen?
How many hours of sunshine does Heumen have in September?
What is the UV index reading in September in Heumen?
Average temperature in September
Heumen, Netherlands
- Average high temperature in September: 18.9°C
The warmest month (with the highest average high temperature) is July (22.6°C).
The month with the lowest average high temperature is January (4.7°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Heumen, 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 (1012.1mbar).
Average wind speed in September
Heumen, Netherlands
- Average wind speed in September: 11.8km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is August (11.5km/h).
Average humidity in September
Heumen, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (89%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Heumen, Netherlands
- Average rainfall in September: 30mm
The wettest month (with the highest rainfall) is July (51mm).
The driest month (with the least rainfall) is April (19mm).
Average rainfall days in September
Heumen, Netherlands
- Average rainfall days in September: 14.7 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in September
Heumen, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (26mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Heumen, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (3.3 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
Heumen, 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 3min
The month with the most sunshine is July (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Heumen, Netherlands
- Average sunshine days in September: 13 days
The month with the most sunshine days is April (16.3 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in September
Heumen, 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
Heumen, 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
Heumen, 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).
Heumen, Netherlands
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