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
Altweerterheide's progression into September involves a minor drop in the average high-temperature, slightly receding from a warm 23.1°C (73.6°F) in August to a refreshing 19.2°C (66.6°F). In September, Altweerterheide records an average nighttime temperature of 11.1°C (52°F).Humidity
In Altweerterheide, the average relative humidity in September is 79%.Rainfall
In September, the rain falls for 9.9 days. Throughout September, 14mm (0.55") of precipitation is accumulated. In Altweerterheide, during the entire year, the rain falls for 140.7 days and collects up to 236mm (9.29") of precipitation.Snowfall
In Altweerterheide, Netherlands, snow does not fall in April through October.Daylight
In Altweerterheide, the average length of the day in September is 12h and 38min.On the first day of September in Altweerterheide, sunrise is at 06:51 and sunset at 20:22. On the last day of the month, sunrise is at 07:37 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September in Altweerterheide, Netherlands, is 7.9h.UV index
The average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 4 in September, converts into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in Altweerterheide?
What is the average humidity in September in Altweerterheide?
How much does it rain in Altweerterheide in September?
When it does not snow in Altweerterheide?
How many hours of daylight does Altweerterheide have in September?
What time are sunrise and sunset in September in Altweerterheide?
How long on average sun shines in September in Altweerterheide?
What is the UV index intensity in September in Altweerterheide?
Average temperature in September
Altweerterheide, Netherlands
- Average high temperature in September: 19.2°C
The warmest month (with the highest average high temperature) is July (23.2°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in September: 11.1°C
The month with the highest average low temperature is August (14.1°C).
The coldest month (with the lowest average low temperature) is January (1°C).
Average pressure in September
Altweerterheide, Netherlands
- Average pressure in September: 1017.3mbar
The month with the highest atmospheric pressure is September (1017.3mbar).
The month with the lowest atmospheric pressure is November (1012.6mbar).
Average wind speed in September
Altweerterheide, Netherlands
- Average wind speed in September: 11.6km/h
The windiest month (with the highest average wind speed) is December (17.5km/h).
The calmest month (with the lowest average wind speed) is August (11.3km/h).
Average humidity in September
Altweerterheide, Netherlands
- Average humidity in September: 79%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (73%).
Average rainfall in September
Altweerterheide, Netherlands
- Average rainfall in September: 14mm
The wettest month (with the highest rainfall) is December (25mm).
The driest month (with the least rainfall) is April (12mm).
Average rainfall days in September
Altweerterheide, Netherlands
- Average rainfall days in September: 9.9 days
The month with the highest number of rainy days is July (14 days).
The month with the least rainy days is September (9.9 days).
Average snowfall in September
Altweerterheide, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (19mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Altweerterheide, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.2 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
Altweerterheide, Netherlands
- Average daylight in September: 12h and 4min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
- Average sunshine in September: 7h and 5min
The months with the most sunshine are July and August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 36min).
Average sunshine days in September
Altweerterheide, Netherlands
- Average sunshine days in September: 17 days
The month with the most sunshine days is April (17.2 days).
The month with the least sunshine days is June (12.8 days).
Average UV index in September
Altweerterheide, 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
Altweerterheide, Netherlands
- Average cloud cover in September: 42
The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Altweerterheide, 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).
