September weather forecast
Maastricht, Netherlands

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Weather in September

As September dawns, the city of Maastricht begins to feel the cool whispers of the impending autumn. The weather begins to cool down, with temperatures dropping, yet the city remains bathed in considerable daylight. Rarely, September experiences zero snowfall, making it an ideal time to enjoy the early onset of fall without any hindrance. The shift from summer to autumn paints the city with a palette of oranges, reds and browns adding a magical aura to the cityscape. Wind speeds see a slight increase, setting the pace for the changing season.

Temperature

The shift from August to September in Maastricht coincides with a small decrease in the average high-temperature, down to a refreshing 18.9°C (66°F) from an agreeable 22.9°C (73.2°F). During the month of September, Maastricht experiences a steady low-temperature average of 10.6°C (51.1°F).

Humidity

The average relative humidity in September in Maastricht, Netherlands, is 79%.

Rainfall

In Maastricht, Netherlands, during September, the rain falls for 11.3 days and regularly aggregates up to 23mm (0.91") of precipitation. Throughout the year, in Maastricht, there are 173 rainfall days, and 456mm (17.95") of precipitation is accumulated.

Snowfall

In Maastricht, Netherlands, snow does not fall in April through October.

Daylight

In Maastricht, the average length of the day in September is 12h and 38min.
On the first day of the month, sunrise is at 06:51 and sunset at 20:22. On the last day of September, sunrise is at 07:36 and sunset at 19:17 CEST.

Sunshine

In Maastricht, the average sunshine in September is 8h.

UV index

In Maastricht, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 4 during September translates into the following directions:
Undertake protective steps - Recommendations to avoid sunburn are issued. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Enhance your sun protection with tightly woven, yet airy clothing.
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Frequently asked questions

What is the usual temperature for Maastricht in September?

The high-temperature, in September, in Maastricht, is 18.9°C (66°F), while the low-temperature averages to 10.6°C (51.1°F).

What is the average humidity in September in Maastricht?

In September, the average relative humidity is 79%.

How many days does it rain in September in Maastricht?

In September, in Maastricht, Netherlands, the rain falls for 11.3 days. Throughout September, 23mm (0.91") of precipitation is accumulated.

When it does not snow in Maastricht?

April through October are months without snowfall.

What is the average length of the day in September in Maastricht?

In September, the average day length in Maastricht is 12h and 38min.

When are sunrise and sunset in September in Maastricht?

In September, on the first day of the month, sunrise is at 06:51 and sunset at 20:22. On the last day of the month, in Maastricht, Netherlands, sunrise is at 07:36 and sunset at 19:17 CEST.

How long on average sun shines in September in Maastricht?

In Maastricht, Netherlands, the average sunshine duration in September is 8h.

What is the UV index reading in September in Maastricht?

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
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
Maastricht, Netherlands

Average temperature in September - Maastricht, Netherlands
  • Average high temperature in September: 18.9°C

The warmest month (with the highest average high temperature) is August (22.9°C).
The month with the lowest average high temperature is January (4.7°C).

  • Average low temperature in September: 10.6°C

The month with the highest average low temperature is August (13.9°C).
The coldest month (with the lowest average low temperature) is January (0.7°C).

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Average pressure in September
Maastricht, Netherlands

Average pressure in September - Maastricht, Netherlands
  • Average pressure in September: 1017.6mbar

The month with the highest atmospheric pressure is September (1017.6mbar).
The month with the lowest atmospheric pressure is November (1012.9mbar).

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Average wind speed in September
Maastricht, Netherlands

Average wind speed in September - Maastricht, Netherlands
  • Average wind speed in September: 11.2km/h

The windiest month (with the highest average wind speed) is December (17.3km/h).
The calmest month (with the lowest average wind speed) is August (10.9km/h).

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Average humidity in September
Maastricht, Netherlands

Average humidity in September - Maastricht, Netherlands
  • Average humidity in September: 79%

The month with the highest relative humidity is December (87%).
The month with the lowest relative humidity is April (74%).

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Average rainfall in September
Maastricht, Netherlands

Average rainfall in September - Maastricht, Netherlands
  • Average rainfall in September: 23mm

The wettest months (with the highest rainfall) are June and December (49mm).
The driest month (with the least rainfall) is April (21mm).

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Average rainfall days in September
Maastricht, Netherlands

Average rainfall days in September - Maastricht, Netherlands
  • Average rainfall days in September: 11.3 days

The month with the highest number of rainy days is June (17.2 days).
The month with the least rainy days is September (11.3 days).

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Average snowfall in September
Maastricht, Netherlands

Average snowfall in September - Maastricht, Netherlands
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (46mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average snowfall days in September
Maastricht, Netherlands

Average snowfall days in September - Maastricht, Netherlands
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in September /
Average sunshine in September
Maastricht, Netherlands

Average daylight in September / Average sunshine in September - Maastricht, Netherlands
  • Average daylight in September: 12h and 4min

The month with the longest days is June (Average daylight: 16h and 24min).
The month with the shortest days is December (Average daylight: 8h and 0min).

  • Average sunshine in September: 8h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 3h and 48min).

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Average sunshine days in September
Maastricht, Netherlands

Average sunshine days in September - Maastricht, Netherlands
  • Average sunshine days in September: 17.1 days

The month with the most sunshine days is September (17.1 days).
The month with the least sunshine days is June (9.3 days).

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Average UV index in September
Maastricht, Netherlands

Average UV index in September - Maastricht, 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).

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Average cloud cover in September
Maastricht, Netherlands

Average cloud cover in September - Maastricht, Netherlands
  • Average cloud cover in September: 41

The month with the most cloud cover is December (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 39).

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Average visibility in September
Maastricht, Netherlands

Average visibility in September - Maastricht, Netherlands
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).

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Maastricht, Netherlands

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