De Koog Weather in September
With daytime temperatures of 18°C (64°F) and nighttime lows of 15°C (59°F), September in De Koog brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 107 mm (4.2 in) falls on average.
Rainfall in De Koog in September
Analyzing past climate data, one can expect approximately 16 days of rain, averaging 107 mm (4.2 in). This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.
Temperature in De Koog in September
In September, De Koog sees pleasant temperatures, with highs of 18°C (64°F). Nights drop to around 15°C (59°F). September is a notable month of the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 15°C (59°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in De Koog in September
With about 162 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable 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 the Netherlands, check out our De Koog's climate page.
De Koog Temperature in September
Min Temperature
15°C (59°F)
Max Temperature
18°C (64°F)
Chance of Rain
54%
Precipitation
107 mm (4.2 in)
Rainy days
16 days
Humidity
81% *
Sunshine
162 hours *
Percentage Sunshine
42% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in De Koog typically stay consistent throughout September, with daily highs averaging around 18°C (64°F). Nights are cool, with lows typically ranging from 11°C (52°F) to 14°C (57°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 Koog in September
Browse day-by-day weather records for De Koog spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
De Koog historical weather extremes in September
According to our 49 years of weather records for De Koog, the following extremes were recorded between 1976 and 2025.
- The warmest day in September was on September 13, 2016, with a maximum of 30°C (86°F).
- De Koog experienced its chilliest September day on September 26, 2007, reaching only 12°C (54°F).
- The lowest overnight temperature recorded in September was 4°C (39°F) (September 11, 1986).
Best Places in the Netherlands in September
Find out more about the weather in the Netherlands and which places have the best travel conditions in this month. See all of the Netherlands in September →
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tolerable
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What to Wear in De Koog 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in De Koog 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 the Netherlands, check out our De Koog's climate page.
Temperature Rainfall Sunshine Humidity
See the full De Koog climate overview or explore weather in the Netherlands.
