Weather in Halmstad in September 2025
Average weather
Average temperature in Halmstad in September
The expected average maximum temperature in September is +68°F with a maximum of +79°F and a minimum of +45°F.
The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +66°F to +59°F.
Is Halmstad warm or cold in September?
Halmstad is typically mild in September.
Maximum temperatures go down compared to the previous month from +68°F to +61°F. The minimum temperature also goes down from +55°F to +50°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 Halmstad:
Climate in Halmstad in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +68°F | +61°F | +52°F | ||||
| Min. temperature | ||||||
| +39°F | +28°F | +16°F | ||||
| Max. temperature | ||||||
| +90°F | +82°F | +70°F | ||||
| Rainfall | ||||||
| 98 mm | 79 mm | 83 mm | ||||
| Wind | ||||||
| 3 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 77% | 80% | 84% | ||||
| Air pressure | ||||||
| 1012 HPa | 1013 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 5 | 4 | 3 | ||||
| Cloudy days | ||||||
| 6 | 8 | 9 | ||||
| Rainy days | ||||||
| 20 | 18 | 18 | ||||
| Snowy days | ||||||
| 0 | 0 | 1 | ||||
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 +61°F. As September arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 98 mm to 79 mm. Humidity rises from 77% to 80%. Winds are stronger in comparison to August, going up from 3 m/s to 4 m/s on average. The days becoming less sunny, going from 5 sunny days in August to 4 in September.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 3 m/s getting up to 9 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Halmstad is gradually increasing during September, going from 2 m/s to 7 m/s over the course of the month.
Rain
How was the weather last September in Halmstad?
Climate Change Over the Years
The climate in Halmstad in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1987 (+47°F) and the highest in 2020 (+55°F). The driest year was 2018 with only 501 mm of rainfall, and the wettest year was 2021 with 1040 mm.
FAQ
Is September a good time to visit Halmstad?
Can you sunbathe in Halmstad in September?
Is Halmstad rainy in September?
Is it sunny in Halmstad in September?
Other cities in Sweden
Monthly weather in Halmstad
Source of the data
For this page, we’ve looked at the typical weather in Halmstad, 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.