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
September is characterized by a slight reduction in average high-temperature, easing from an agreeable 21.7°C (71.1°F) in August to a comfortable 18.4°C (65.1°F). In September, Naarden encounters an average low-temperature of 12°C (53.6°F) during the night.Humidity
The average relative humidity in September is 81%.Rainfall
In September, in Naarden, the rain falls for 10.6 days. Throughout September, 13mm (0.51") of precipitation is accumulated. In Naarden, during the entire year, the rain falls for 119.5 days and collects up to 146mm (5.75") of precipitation.Snowfall
In Naarden, snow does not fall in April through November.Daylight
In Naarden, the average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:51 and sunset at 20:26. On the last day of September, sunrise is at 07:39 and sunset at 19:18 CEST.
Sunshine
In Naarden, the average sunshine in September is 7.4h.UV index
The average daily maximum UV index in September in Naarden is 4. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Undertake precautions - Guarding against sun damage is counselled. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What are the temperatures in Naarden in September?
What is the average humidity in September in Naarden?
How many days does it rain in September in Naarden?
When it does not snow in Naarden?
What is the average length of the day in September in Naarden?
What time are sunrise and sunset in September in Naarden?
How many hours of sunshine does Naarden have in September?
What is the UV index reading in September in Naarden?
Average temperature in September
Naarden, Netherlands
- Average high temperature in September: 18.4°C
The warmest month (with the highest average high temperature) is August (21.7°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in September: 12°C
The month with the highest average low temperature is August (14.5°C).
The coldest months (with the lowest average low temperature) are January and February (1.8°C).
Average pressure in September
Naarden, 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
Naarden, Netherlands
- Average wind speed in September: 13.5km/h
The windiest month (with the highest average wind speed) is December (19.8km/h).
The calmest month (with the lowest average wind speed) is July (12.8km/h).
Average humidity in September
Naarden, 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 (75%).
Average rainfall in September
Naarden, Netherlands
- Average rainfall in September: 13mm
The wettest month (with the highest rainfall) is August (18mm).
The driest month (with the least rainfall) is April (5mm).
Average rainfall days in September
Naarden, Netherlands
- Average rainfall days in September: 10.6 days
The month with the highest number of rainy days is August (12.8 days).
The month with the least rainy days is April (6.8 days).
Average snowfall in September
Naarden, Netherlands
- Average snowfall in September: 0mm
The months with the highest snowfall are January, February and December (4mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Naarden, Netherlands
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are February and December (2.4 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
Naarden, 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 July (Average sunshine: 9h and 42min).
The month with the least sunshine is December (Average sunshine: 3h and 42min).
Average sunshine days in September
Naarden, Netherlands
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is April (20.8 days).
The month with the least sunshine days is August (14.3 days).
Average UV index in September
Naarden, 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
Naarden, Netherlands
- Average cloud cover in September: 43
The month with the most cloud cover is December (Cloud cover 65).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in September
Naarden, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are April and June (10km).
The months with the lowest visibility are January, February, March, May, July, August, September, October, November and December (9km).
Naarden, Netherlands
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