Weather in Billund in September 2025
Average weather
Average temperature in Billund in September
The temperature in September is +68°F on average, with a range between a maximum of +81°F during the day and a minimum of +41°F at night.
The average maximum temperature goes down 18% by the end of the month, compared with the beginning of the month, from +68°F to +61°F.
Is Billund warm or cold in September?
Billund is typically mild in September.
Maximum temperatures go down compared to the previous month from +68°F to +63°F. The minimum temperature also goes down from +54°F to +48°F.
Pack a light jacket as it will be warm in the day and cool in the evenings.
Take a look at how September is compared to other months in Billund:
Climate in Billund in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +68°F | +63°F | +54°F | ||||
| Min. temperature | ||||||
| +39°F | +30°F | +21°F | ||||
| Max. temperature | ||||||
| +88°F | +84°F | +75°F | ||||
| Rainfall | ||||||
| 72 mm | 62 mm | 66 mm | ||||
| Wind | ||||||
| 3 m/s | 3 m/s | 3 m/s | ||||
| Humidity | ||||||
| 78% | 83% | 86% | ||||
| Air pressure | ||||||
| 1012 HPa | 1013 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 3 | 3 | 2 | ||||
| Cloudy days | ||||||
| 8 | 10 | 10 | ||||
| Rainy days | ||||||
| 17 | 16 | 17 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. It’s getting colder in September. From +68°F in the day, the average maximum temperature lowers to +63°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 72 mm to 62 mm. Humidity rises from 78% to 83%. The average wind speed doesn’t change much during September, staying around 3 m/s. The amount of sunny days stay about the same, averaging 3 sunny days during the month.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 6 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Billund is gradually increasing during September, going from 2 m/s to 4 m/s over the course of the month.
Rain
How was the weather last September in Billund?
Climate Change Over the Years
The climate in Billund in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1979 (+49°F) and the highest in 2014 (+56°F). The driest year was 1996 with only 367 mm of rainfall, and the wettest year was 2023 with 1000 mm.
FAQ
Is September a good time to visit Billund?
Can you sunbathe in Billund in September?
Is Billund rainy in September?
Is it sunny in Billund in September?
Other cities in Denmark
Monthly weather in Billund
Source of the data
For this page, we’ve looked at the typical weather in Billund, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.