Zwolle Weather in September
Zwolle in September averages 20°C (68°F) during the day and 11°C (52°F) at night. Keep in mind that quite a bit of rainfall is expected this month.
Rainfall in Zwolle in September
Based on our climate data of the past 30 years, about 16 days of rain are anticipated, with 75 mm (3 in) on average. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Zwolle in September
September in Zwolle is generally perfect, with days reaching 20°C (68°F) and nights settling around 11°C (52°F). The difference between afternoon and evening temperatures is usually noticeable. With lows of 11°C (52°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 Zwolle in September
The month brings about 128 hours of sunlight, offering a comfortable mix of sun and overcast.If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Zwolle.
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 Zwolle's climate page.
Zwolle Temperature in September
Min Temperature
11°C (52°F)
Max Temperature
20°C (68°F)
Chance of Rain
53%
Precipitation
75 mm (3 in)
Rainy days
16 days
Humidity
81% *
Sunshine
128 hours *
Percentage Sunshine
34% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Zwolle typically stay consistent throughout September, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 9°C (48°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 Zwolle in September
Browse day-by-day weather records for Zwolle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Zwolle historical weather extremes in September
According to our 49 years of weather records for Zwolle, the following extremes were recorded between 1976 and 2025.
- Zwolle recorded its highest September temperature of 31°C (88°F) on September 13, 2016.
- Zwolle experienced its chilliest September day on September 22, 1996, reaching only 10°C (50°F).
- Zwolle registered its coldest September night on September 25, 1979, with temperatures dropping to 1°C (34°F).
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 Zwolle 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. Bring sunglasses since you'll have some sunny periods throughout the monthWhat To Do in Zwolle 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 Zwolle's climate page.
Temperature Rainfall Sunshine Humidity
See the full Zwolle climate overview or explore weather in the Netherlands.
