September weather forecastBaarn, Netherlands
September
Weather in September
September, the first month of the autumn in Baarn, is still a refreshing month, with temperature in the range of an average low of 11.9°C (53.4°F) and an average high of 18.8°C (65.8°F).Temperature
With the commencement of September, Baarn records a moderate temperature decline, with the average high easing from August's pleasant 22°C (71.6°F) to a refreshing 18.8°C (65.8°F). Baarn's nighttime temperature in September drops to an average of 11.9°C (53.4°F).Humidity
The average relative humidity in September is 81%.Rainfall
In September, the rain falls for 13.3 days. Throughout September, 23mm (0.91") of precipitation is accumulated. In Baarn, during the entire year, the rain falls for 150.9 days and collects up to 243mm (9.57") of precipitation.Snowfall
April through October are months without snowfall.Daylight
In Baarn, the average length of the day in September is 12h and 39min.On the first day of the month, sunrise is at 06:51 and sunset at 20:26. On the last day of September, in Baarn, sunrise is at 07:39 and sunset at 19:18 CEST.
Sunshine
In Baarn, Netherlands, the average sunshine in September is 7.3h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the maximum UV index of 4 suggests these recommendations:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Baarn, Netherlands
- Average high temperature in September: 18.8°C
The warmest month (with the highest average high temperature) is August (22°C).
The month with the lowest average high temperature is January (5.2°C).
- Average low temperature in September: 11.9°C
The month with the highest average low temperature is August (14.3°C).
The coldest month (with the lowest average low temperature) is January (1.6°C).
Average pressure in September
Baarn, Netherlands
- Average pressure in September: 1016.8mbar
The month with the highest atmospheric pressure is September (1016.8mbar).
The month with the lowest atmospheric pressure is November (1011.4mbar).
Average wind speed in September
Baarn, Netherlands
- Average wind speed in September: 12.8km/h
The windiest month (with the highest average wind speed) is December (18.9km/h).
The calmest months (with the lowest average wind speed) are July and August (12.4km/h).
Average humidity in September
Baarn, Netherlands
- Average humidity in September: 81%
The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).
Average rainfall in September
Baarn, Netherlands
- Average rainfall in September: 23mm
The wettest month (with the highest rainfall) is August (31mm).
The driest month (with the least rainfall) is April (9mm).
Average rainfall days in September
Baarn, Netherlands
- Average rainfall days in September: 13.3 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is April (8.9 days).
Average snowfall in September
Baarn, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (13mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in September
Baarn, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Baarn, 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 months with the most sunshine are June and July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 24min).
Average sunshine days in September
Baarn, Netherlands
- Average sunshine days in September: 14.2 days
The month with the most sunshine days is April (18.6 days).
The month with the least sunshine days is August (11.7 days).
Average UV index in September
Baarn, 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
Baarn, Netherlands
- Average cloud cover in September: 44
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 40).
Average visibility in September
Baarn, Netherlands
- Average visibility in September: 9km
The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, March, April, May, July, August, September, October, November and December (9km).
