Delft Weather in September
September in Delft brings pleasant temperatures, with highs of 20°C (68°F) and nights dropping to 12°C (54°F). Rainfall is on the higher side this month, averaging around 83 mm (3.3 in), so keep a rain jacket handy.
Rainfall in Delft in September
Based on our climate data of the past 30 years, about 15 days of rain are anticipated, with 83 mm (3.3 in) on average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Delft in September
Delft in September has perfect weather. Days reach 20°C (68°F) and nights cool to 12°C (54°F). A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 12°C (54°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 Delft in September
The city usually sees around 154 hours of sunlight, indicating a moderately sunny period.
Wind Speed in Delft in September
September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Delft.
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 Delft's climate page.
Delft Temperature in September
Min Temperature
12°C (54°F)
Max Temperature
20°C (68°F)
Chance of Rain
51%
Precipitation
83 mm (3.3 in)
Rainy days
15 days
Humidity
84% *
Windspeed
4 m/s (8 knots) *
Sunshine
154 hours *
Percentage Sunshine
34% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Delft typically stay consistent throughout September, with daily highs averaging around 20°C (68°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 Delft in September
Browse day-by-day weather records for Delft spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Delft historical weather extremes in September
According to our 49 years of weather records for Delft, the following extremes were recorded between 1976 and 2025.
- Delft recorded its highest September temperature of 32°C (90°F) on September 15, 2020.
- Delft experienced its chilliest September day on September 22, 1996, reaching only 10°C (50°F).
- The lowest overnight temperature recorded in September was 2°C (36°F) (September 23, 1979).
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Delft 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Delft 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 Delft's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Delft climate overview or explore weather in the Netherlands.
