Monthly climate guide
Gent weather in September
Expect mild weather in Gent in September: afternoons reach about 20°C (68°F), while nights drop to around 11°C (51°F). Around 55 mm of rain falls over the month (some rain), and skies are often cloudy. Daytime highs are 3°C cooler than August and 4°C warmer than October.
What stands out in September
- Temperatures are falling — expect highs around 4°C lower by October.
- Gent is usually about 2°C warmer than Knokke-Heist, 50 km away, in September.
- Seasonally, September counts as early autumn in Gent.
Avg high
20°C
68°F
Avg low
11°C
51°F
Rainfall
55 mm
some rain
Humidity
80%
relative
Sky
71%
cloud · often cloudy
Gent weather by month
Show the monthly averages as a table
| Month | Avg high | Avg low | Rain | Humidity | Cloud cover |
|---|---|---|---|---|---|
| January | 6°C / 43°F | 1°C / 34°F | 71 mm | 93% | 85% |
| February | 7°C / 45°F | 1°C / 33°F | 55 mm | 89% | 79% |
| March | 11°C / 52°F | 2°C / 36°F | 50 mm | 84% | 75% |
| April | 15°C / 59°F | 5°C / 40°F | 35 mm | 79% | 70% |
| May | 18°C / 65°F | 8°C / 46°F | 54 mm | 77% | 70% |
| June | 21°C / 70°F | 11°C / 52°F | 67 mm | 77% | 71% |
| July | 23°C / 73°F | 13°C / 56°F | 73 mm | 76% | 69% |
| August | 23°C / 73°F | 13°C / 56°F | 70 mm | 77% | 70% |
| September | 20°C / 68°F | 11°C / 51°F | 55 mm | 80% | 71% |
| October | 16°C / 60°F | 8°C / 46°F | 70 mm | 86% | 80% |
| November | 10°C / 51°F | 4°C / 40°F | 62 mm | 91% | 84% |
| December | 8°C / 46°F | 3°C / 37°F | 87 mm | 93% | 85% |
What to pack for September
- T-shirts plus a light layer for the evening
- Comfortable trainers or sandals for long walks
- A small travel umbrella, just in case
Is September a good time to visit Gent?
Compare the months in the chart above to find your ideal window.
Best time to visit Gent →Other Belgium cities in September
Cite or embed this data
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Gent weather in September. WeatherCompare, 2026 (NASA POWER / ERA5, 2011–2020 monthly averages). https://weathercompare.eu/weather/belgium/gent/september
<a href="https://weathercompare.eu/weather/belgium/gent/september">Gent weather in September</a> (WeatherCompare)
<iframe src="https://weathercompare.eu/embed/belgium/gent" width="300" height="160" style="border:0;border-radius:12px" loading="lazy" title="Gent weather in September"></iframe> <p style="font-size:12px"><a href="https://weathercompare.eu/weather/belgium/gent/september">Gent weather in September</a> – WeatherCompare</p>
Gent in September: quick answers
Is September a good time to visit Gent?
Yes. September is one of the best months for Gent, with highs around 20°C and about 55 mm of rain.
How warm is Gent in September?
Average highs are about 20°C (68°F) and average lows about 11°C (51°F), based on 10 years of daily data.
Does it rain a lot in Gent in September?
Gent typically gets around 55 mm of rain in September — some rain.
Figures are long-term averages for the area around Gent (NASA POWER / ERA5, 2011–2020), not a forecast for a specific year. For upcoming days, see the live multi-source forecast.