Kortrijk Weather in September
In Kortrijk, September brings pleasant daytime temperatures around 21°C (70°F), with nights cooling to 12°C (54°F). Expect quite a bit of rainfall this month.
Rainfall in Kortrijk in September
You can expect rain on roughly 15 days based on historical data, averaging 64 mm (2.5 in) for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Kortrijk in September
Kortrijk in September has perfect weather. Days reach 21°C (70°F) and nights cool to 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 12°C (54°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.
Sunshine in Kortrijk in September
You can expect a moderate amount of sunlight, with approximately 152 hours. This means a pleasant mix of sun and overcast.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Kortrijk.
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 Kortrijk's climate page.
Kortrijk Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
49%
Precipitation
64 mm (2.5 in)
Rainy days
15 days
Humidity
83% *
Sunshine
152 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Kortrijk typically stay consistent throughout September, with daily highs averaging around 21°C (70°F). Nights are cool, with lows typically ranging from 10°C (50°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 Kortrijk in September
Browse day-by-day weather records for Kortrijk spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Kortrijk historical weather extremes in September
According to our 49 years of weather records for Kortrijk, the following extremes were recorded between 1976 and 2025.
- The hottest September day on record in Kortrijk reached 34°C (93°F) (September 15, 2020).
- Kortrijk experienced its chilliest September day on September 22, 1984, reaching only 11°C (52°F).
- The lowest overnight temperature recorded in September was 1°C (34°F) (September 23, 1979).
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
pleasant
tolerable
unpleasant
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What to Wear in Kortrijk 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. Rain gear is recommended, you can expect wet weather on multiple days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Kortrijk 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 Kortrijk's climate page.
Temperature Rainfall Sunshine Humidity
See the full Kortrijk climate overview or explore weather in Belgium.
