De Haan Weather in September
September in De Haan brings pleasant temperatures, with daytime highs of 19°C (66°F) and nights around 14°C (57°F). Quite a bit of rainfall is expected, around 86 mm (3.4 in), so pack an umbrella.
Rainfall in De Haan in September
On average, there are about 16 days with rain during this month, averaging 86 mm (3.4 in). The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.
Temperature in De Haan in September
In September, expect pleasant temperatures in De Haan, with highs of 19°C (66°F) and lows of 14°C (57°F) at night. September is a notable month of the summer season. Conditions are often most pleasant around the middle of the day. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in De Haan in September
The area enjoys a balanced 160 hours of sunlight, ensuring it's neither too overcast nor too sunny.
Wind Speed in De Haan in September
September sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for De Haan.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Belgium, check out our De Haan's climate page.
De Haan Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
19°C (66°F)
Chance of Rain
52%
Precipitation
86 mm (3.4 in)
Rainy days
16 days
Humidity
86% *
Windspeed
6 m/s (12 knots) *
Sunshine
160 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in De Haan typically stay consistent throughout September, with daily highs averaging around 19°C (66°F). Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°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 De Haan in September
Browse day-by-day weather records for De Haan spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
De Haan historical weather extremes in September
Based on weather observations in De Haan between 1976 and 2025, these are the recorded extremes during September.
- De Haan recorded its highest September temperature of 31°C (88°F) on September 10, 2023.
- The coldest September day was on September 22, 1984, with a maximum of 12°C (54°F).
- De Haan registered its coldest September night on September 23, 1979, with temperatures dropping to 2°C (36°F).
Best Places in Belgium in September
Find out more about the weather in Belgium and which places have the best travel conditions in this month. See all of Belgium in September →
perfect weather
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tolerable
unpleasant
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What to Wear in De Haan in September
For De Haan in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in De Haan 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 Belgium, check out our De Haan's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full De Haan climate overview or explore weather in Belgium.
