September weather forecast
Lelystad, Netherlands

September

Weather in September

September, the first month of the autumn in Lelystad, is still a refreshing month, with an average temperature varying between 17.8°C (64°F) and 12.6°C (54.7°F).

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.

Frequently asked questions

What is the temperature in September in Lelystad?
The high-temperature, in September, in Lelystad, is 17.8°C (64°F), while the low-temperature averages to 12.6°C (54.7°F).
What is the average humidity in September in Lelystad?
In Lelystad, Netherlands, the average relative humidity in September is 80%.
How many days does it rain in September in Lelystad?
In Lelystad, Netherlands, during September, the rain falls for 12.4 days and regularly aggregates up to 27mm (1.06") of precipitation.
When it does not snow in Lelystad?
April through November are months without snowfall in Lelystad, Netherlands.
What is the average length of the day in September in Lelystad?
The average day length in September in Lelystad, Netherlands, is 12h and 40min.
When are sunrise and sunset in September in Lelystad?
In September, on the first day of the month, sunrise is at 06:50 and sunset at 20:25. On the last day of the month, in Lelystad, sunrise is at 07:38 and sunset at 19:17 CEST.
How long on average sun shines in September in Lelystad?
In Lelystad, the average sunshine duration in September is 7h.
How high is the UV index in September in Lelystad?
In Lelystad, Netherlands, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
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).

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