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
A modest decline in the average high-temperature is seen during September, decreasing from a pleasant 21°C (69.8°F) in August to an enjoyable 17.8°C (64°F). In Lelystad, an average low-temperature of 12.6°C (54.7°F) is recorded during September nights.Humidity
In Lelystad, the average relative humidity in September is 80%.Rainfall
In Lelystad, in September, during 12.4 rainfall days, 27mm (1.06") of precipitation is typically accumulated. In Lelystad, during the entire year, the rain falls for 150.2 days and collects up to 285mm (11.22") of precipitation.Snowfall
April through November are months without snowfall.Daylight
The average length of the day in September is 12h and 40min.On the first day of the month, sunrise is at 06:50 and sunset at 20:25. On the last day of September, sunrise is at 07:38 and sunset at 19:17 CEST.
Sunshine
The average sunshine in September is 7h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 4 during September translates into the following guidance:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September in Lelystad?
What is the average humidity in September in Lelystad?
How many days does it rain in September in Lelystad?
When it does not snow in Lelystad?
What is the average length of the day in September in Lelystad?
When are sunrise and sunset in September in Lelystad?
How long on average sun shines in September in Lelystad?
How high is the UV index in September in Lelystad?
Average temperature in September
Lelystad, Netherlands
- Average high temperature in September: 17.8°C
The warmest month (with the highest average high temperature) is August (21°C).
The month with the lowest average high temperature is January (5°C).
- Average low temperature in September: 12.6°C
The month with the highest average low temperature is August (14.8°C).
The coldest month (with the lowest average low temperature) is February (1.8°C).
Average pressure in September
Lelystad, Netherlands
- Average pressure in September: 1016.7mbar
The month with the highest atmospheric pressure is September (1016.7mbar).
The month with the lowest atmospheric pressure is November (1011.2mbar).
Average wind speed in September
Lelystad, Netherlands
- Average wind speed in September: 15.4km/h
The windiest month (with the highest average wind speed) is December (22.5km/h).
The calmest month (with the lowest average wind speed) is July (14.5km/h).
Average humidity in September
Lelystad, Netherlands
- Average humidity in September: 80%
The month with the highest relative humidity is December (86%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Lelystad, Netherlands
- Average rainfall in September: 27mm
The wettest months (with the highest rainfall) are June, July and August (33mm).
The driest month (with the least rainfall) is April (11mm).
Average rainfall days in September
Lelystad, Netherlands
- Average rainfall days in September: 12.4 days
The month with the highest number of rainy days is July (15.5 days).
The month with the least rainy days is April (9.3 days).
Average snowfall in September
Lelystad, Netherlands
- Average snowfall in September: 0mm
The month with the highest snowfall is February (11mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in September
Lelystad, Netherlands
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.9 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
Lelystad, 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 0min
The month with the most sunshine is July (Average sunshine: 9h and 36min).
The month with the least sunshine is December (Average sunshine: 3h and 30min).
Average sunshine days in September
Lelystad, Netherlands
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is April (18.3 days).
The month with the least sunshine days is July (12.4 days).
Average UV index in September
Lelystad, 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, March, November and December (UV index 2).
Average cloud cover in September
Lelystad, Netherlands
- Average cloud cover in September: 46
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 41).
Average visibility in September
Lelystad, Netherlands
- Average visibility in September: 9km
The months with the highest visibility are March, April, May, June and August (10km).
The months with the lowest visibility are January, February, July, September, October, November and December (9km).
