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
The arrival of September suggests a slight decrease in the average high-temperature, moving from an agreeable 22.3°C (72.1°F) in August to a refreshing 18.8°C (65.8°F). September brings an average low-temperature of 10.9°C (51.6°F) to Heeten.Humidity
In Heeten, the average relative humidity in September is 82%.Rainfall
In September, the rain falls for 9.4 days. Throughout September, 14mm (0.55") of precipitation is accumulated. Throughout the year, there are 132.3 rainfall days, and 195mm (7.68") of precipitation is accumulated.Snowfall
April through October are months without snowfall in Heeten.Daylight
In September, the average length of the day is 12h and 40min.On the first day of the month, sunrise is at 06:47 and sunset at 20:22. On the last day of September, sunrise is at 07:35 and sunset at 19:14 CEST.
Sunshine
The average sunshine in September is 7.4h.UV index
In Heeten, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take necessary precautions - Suggestions to elude sunburn are provided. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Heeten?
What is the average humidity in September in Heeten?
How much does it rain in Heeten in September?
When it does not snow in Heeten?
What is the average length of the day in September in Heeten?
When is the sunrise / sunset in September in Heeten?
How many hours of sunshine does Heeten have in September?
How high is the UV index in September in Heeten?
Average temperature in September
Heeten, Netherlands
- Average high temperature in September: 18.8°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 (4.4°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 January (0.7°C).
Average pressure in September
Heeten, Netherlands
- Average pressure in September: 1016.9mbar
The month with the highest atmospheric pressure is September (1016.9mbar).
The month with the lowest atmospheric pressure is November (1011.8mbar).
Average wind speed in September
Heeten, Netherlands
- Average wind speed in September: 12.3km/h
The windiest month (with the highest average wind speed) is December (18.1km/h).
The calmest months (with the lowest average wind speed) are July and August (11.9km/h).
Average humidity in September
Heeten, 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
Heeten, Netherlands
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is June (24mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Heeten, Netherlands
- Average rainfall days in September: 9.4 days
The month with the highest number of rainy days is July (14.9 days).
The month with the least rainy days is October (9.3 days).
Average snowfall in September
Heeten, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (9mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Heeten, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 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
Heeten, 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 August (Average sunshine: 9h and 6min).
The month with the least sunshine is December (Average sunshine: 3h and 18min).
Average sunshine days in September
Heeten, Netherlands
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Heeten, 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, November and December (UV index 2).
Average cloud cover in September
Heeten, Netherlands
- Average cloud cover in September: 45
The month with the most cloud cover is December (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 41).
Average visibility in September
Heeten, 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).
