September weather forecast
Aalborg, Denmark

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Weather in September

September in Aalborg introduces the autumn season, characterized by a more noticeable temperature drop from August. This period records less rainfall than August's high, marking the gradual drying of the city after summer. The length of daylight decreases as the year progresses, with shorter and cooler days becoming more frequent. Winds continue to be a significant part of Aalborg weather, maintaining their constant gusts throughout September. Meanwhile, the relative humidity remains steady, complementing the transition into autumn.

Temperature

September witnesses a gentle descent in average high-temperature, descending from August's refreshing 19.9°C (67.8°F) to a still enjoyable 16.7°C (62.1°F). Throughout September in Aalborg, Denmark, a steady low-temperature average of 11.3°C (52.3°F) is noted.

Humidity

In September, the average relative humidity is 79%.

Rainfall

In Aalborg, in September, it is raining for 15.9 days, with typically 36mm (1.42") of accumulated precipitation. Throughout the year, in Aalborg, there are 175.1 rainfall days, and 481mm (18.94") of precipitation is accumulated.

Snowfall

May through September are months without snowfall.

Daylight

In Aalborg, the average length of the day in September is 12h and 46min.
On the first day of the month, sunrise is at 06:23 and sunset at 20:16. On the last day of September, sunrise is at 07:22 and sunset at 18:57 CEST.

Sunshine

In September, the average sunshine in Aalborg is 7.4h.

UV index

In Aalborg, Denmark, the average daily maximum UV index in September is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the ordinary person.
Note: A daily high UV index of 4 in September leads to these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Always opt for UVA and UVB-resistant sunglasses on radiant days.

Frequently asked questions

What is the average September temperature in Aalborg?

The high-temperature, in September, in Aalborg, records 16.7°C (62.1°F), while the low-temperature is 11.3°C (52.3°F).

What is the average humidity in September in Aalborg?

The average relative humidity in September in Aalborg, Denmark, is 79%.

How many days does it rain in September in Aalborg?

In September, the rain falls for 15.9 days. Throughout September, 36mm (1.42") of precipitation is accumulated.

When it does not snow in Aalborg?

In Aalborg, snow does not fall in May through September.

Does it snow in Aalborg in September?

In Aalborg, Denmark, in September, it doesn't snow. In October, it regularly snows.

How many hours of daylight does Aalborg have in September?

In Aalborg, Denmark, the average day length in September is 12h and 46min.

When is the sunrise / sunset in September in Aalborg?

On the first day of September in Aalborg, sunrise is at 06:23 and sunset at 20:16. On the last day of the month, sunrise is at 07:22 and sunset at 18:57 CEST.

How long on average sun shines in September in Aalborg?

In September, the average sunshine duration is 7.4h.

What is the UV index reading in September in Aalborg?

In Aalborg, Denmark, the average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Aalborg, Denmark

Average temperature in September - Aalborg, Denmark
  • Average high temperature in September: 16.7°C

The warmest month (with the highest average high temperature) is July (20.4°C).
The month with the lowest average high temperature is January (2.9°C).

  • Average low temperature in September: 11.3°C

The month with the highest average low temperature is August (13.8°C).
The coldest month (with the lowest average low temperature) is February (-0.1°C).

Average pressure in September
Aalborg, Denmark

Average pressure in September - Aalborg, Denmark
  • Average pressure in September: 1013.9mbar

The month with the highest atmospheric pressure is April (1015mbar).
The month with the lowest atmospheric pressure is December (1009mbar).

Average wind speed in September
Aalborg, Denmark

Average wind speed in September - Aalborg, Denmark
  • Average wind speed in September: 16.3km/h

The windiest month (with the highest average wind speed) is December (18.3km/h).
The calmest month (with the lowest average wind speed) is June (14.7km/h).

Average humidity in September
Aalborg, Denmark

Average humidity in September - Aalborg, Denmark
  • Average humidity in September: 79%

The months with the highest relative humidity are January, November and December (86%).
The months with the lowest relative humidity are April and May (73%).

Average rainfall in September
Aalborg, Denmark

Average rainfall in September - Aalborg, Denmark
  • Average rainfall in September: 36mm

The wettest month (with the highest rainfall) is August (55mm).
The driest month (with the least rainfall) is April (19mm).

Average rainfall days in September
Aalborg, Denmark

Average rainfall days in September - Aalborg, Denmark
  • Average rainfall days in September: 15.9 days

The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is February (10 days).

Average snowfall in September
Aalborg, Denmark

Average snowfall in September - Aalborg, Denmark
  • Average snowfall in September: 0mm

The month with the highest snowfall is January (64mm).
The months with the least snowfall are May, June, July, August and September (0mm).

Average snowfall days in September
Aalborg, Denmark

Average snowfall days in September - Aalborg, Denmark
  • Average snowfall days in September: 0 days

The months with the highest number of snowfall days are January and February (8.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in September /
Average sunshine in September
Aalborg, Denmark

Average daylight in September / Average sunshine in September - Aalborg, Denmark
  • Average daylight in September: 12h and 5min

The month with the longest days is June (Average daylight: 17h and 48min).
The month with the shortest days is December (Average daylight: 6h and 48min).

  • Average sunshine in September: 7h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).

Average sunshine days in September
Aalborg, Denmark

Average sunshine days in September - Aalborg, Denmark
  • Average sunshine days in September: 10.8 days

The month with the most sunshine days is April (14.9 days).
The month with the least sunshine days is November (8.8 days).

Average UV index in September
Aalborg, Denmark

Average UV index in September - Aalborg, Denmark
  • Average UV index in September: 4

The month with the highest UV index is 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
Aalborg, Denmark

Average cloud cover in September - Aalborg, Denmark
  • Average cloud cover in September: 49

The months with the most cloud cover are February, November and December (Cloud cover 67).
The months with the least cloud cover are June and July (Cloud cover 41).

Average visibility in September
Aalborg, Denmark

Average visibility in September - Aalborg, Denmark
  • 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).

Aalborg, Denmark

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