September weather forecastHaarle, Netherlands
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Haarle, Netherlands, with an average temperature ranging between min 10.8°C (51.4°F) and max 18.7°C (65.7°F).Temperature
A subtle change in temperatures is noted as August gives way to September, with average highs reducing from a pleasant 22.3°C (72.1°F) to an enjoyable 18.7°C (65.7°F). In the month of September, the temperature in Haarle generally rests at an average low of 10.8°C (51.4°F).Humidity
The average relative humidity in September is 82%.Rainfall
In Haarle, during September, the rain falls for 16.1 days and regularly aggregates up to 42mm (1.65") of precipitation. In Haarle, during the entire year, the rain falls for 203.5 days and collects up to 545mm (21.46") of precipitation.Snowfall
In Haarle, snow does not fall in May through October.Daylight
In Haarle, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:46 and sunset at 20:21. On the last day of September, in Haarle, sunrise is at 07:34 and sunset at 19:13 CEST.
Sunshine
In September, the average sunshine in Haarle is 7.3h.UV index
In September, the average daily maximum UV index in Haarle is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 4 during September translates into the following directions:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Haarle, Netherlands
- Average high temperature in September: 18.7°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 (4.3°C).
- Average low temperature in September: 10.8°C
The month with the highest average low temperature is August (13.6°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).
Average pressure in September
Haarle, 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
Haarle, Netherlands
- Average wind speed in September: 12.4km/h
The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in September
Haarle, 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
Haarle, Netherlands
- Average rainfall in September: 42mm
The wettest month (with the highest rainfall) is June (58mm).
The driest month (with the least rainfall) is April (25mm).
Average rainfall days in September
Haarle, Netherlands
- Average rainfall days in September: 16.1 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is February (14.3 days).
Average snowfall in September
Haarle, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is January (31mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in September
Haarle, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4.8 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
Haarle, Netherlands
- Average daylight in September: 12h and 42min
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 18min
The month with the most sunshine is July (Average sunshine: 9h and 0min).
The month with the least sunshine is December (Average sunshine: 3h and 12min).
Average sunshine days in September
Haarle, Netherlands
- Average sunshine days in September: 10.1 days
The month with the most sunshine days is March (12.8 days).
The months with the least sunshine days are June and July (7.3 days).
Average UV index in September
Haarle, Netherlands
- Average UV index in September: 4
The month with the highest UV index is June (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Haarle, Netherlands
- Average cloud cover in September: 47
The month with the most cloud cover is December (Cloud cover 67).
The months with the least cloud cover are April and August (Cloud cover 42).
Average visibility in September
Haarle, Netherlands
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August and October (9km).
The months with the lowest visibility are September, November and December (8km).





