Halmstad Weather in September
September in Halmstad averages 18°C (64°F) during the day and 9°C (48°F) at night. Quite a bit of rainfall is typical this month, with around 86 mm (3.4 in) on average. An umbrella is a good idea.
Rainfall in Halmstad in September
Historically, the month has about 15 days of rain, averaging 86 mm (3.4 in) in total. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.
Temperature in Halmstad in September
Daytime temperatures in Halmstad reach 18°C (64°F) in September, dropping to 9°C (48°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 9°C (48°F) overnight, it gets properly cold after dark. On the bright side, cold nights tend to make for excellent sleeping conditions.
Sunshine in Halmstad in September
The area enjoys a moderate level of sunlight, with around 143 hours. It's a good balance between sunny and cloudy days.If you prefer enjoying temperate temperatures and rain-free days, June typically offers the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Halmstad's climate page.
Halmstad Temperature in September
Min Temperature
9°C (48°F)
Max Temperature
18°C (64°F)
Chance of Rain
50%
Precipitation
86 mm (3.4 in)
Rainy days
15 days
Humidity
75% *
Sunshine
143 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Halmstad typically drop from around 18°C (64°F) at the start of September to approximately 14°C (57°F) by the end. Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Halmstad in September
Browse day-by-day weather records for Halmstad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Halmstad historical weather extremes in September
The extremes listed below come from historical weather data collected in Halmstad from 1976 through 2025.
- The hottest September day on record in Halmstad reached 29°C (84°F) (September 4, 2024).
- On September 16, 1993, Halmstad saw its coldest September day with temperatures maxing out at 8°C (46°F).
- The lowest overnight temperature recorded in September was -1°C (30°F) (September 5, 1976).
Best Places in Sweden in September
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in September →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Halmstad in September
Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Prepare for significant rainfall with proper waterproof clothing and shoes. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.What To Do in Halmstad in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Halmstad's climate page.
Temperature Rainfall Sunshine Humidity
See the full Halmstad climate overview or explore weather in Sweden.
