Weather in Aalst in September
Climate normals based on 10 years of historical data for Aalst, Belgia.
Average high
20°C
Average low
12°C
Rainfall
67 mm
11 rainy days
Sunshine
3.6h/day
Kelembapan
74%
How Hot Is Aalst in September?
Aalst starts to ease back from summer's peak — afternoon highs of 20°C and overnight lows of 12°C in September.
Sunshine Hours in September
Mixed weather is typical in Aalst this September: 3.6h of sun a day on average.
Does It Rain In Aalst In September?
Aalst averages a rainy day every other day in September — 67mm in total, across 11 days.
Is Aalst Humid In September?
Aalst feels muggy this month with humidity around 74%, especially in calm air.
Wind In Aalst In September
Wind stays light: 19 kph on a typical day in Aalst.
Cloud Cover In Aalst In September
Aalst's September runs cloudy: typical cloud cover of 62%.
Cities With Similar Weather In September
Weather in Aalst, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca di Bulan Januari | 6°C / 2°C | 77mm | Details → |
| Cuaca di Bulan Februari | 8°C / 3°C | 66mm | Details → |
| Cuaca di Bulan Maret | 11°C / 4°C | 72mm | Details → |
| Cuaca di Bulan April | 14°C / 5°C | 48mm | Details → |
| Cuaca di Bulan Mei | 18°C / 9°C | 67mm | Details → |
| Cuaca di Bulan Juni | 22°C / 13°C | 78mm | Details → |
| Cuaca di Bulan Juli | 23°C / 14°C | 64mm | Details → |
| Cuaca di Bulan Agustus | 24°C / 15°C | 64mm | Details → |
| Cuaca di Bulan September | 20°C / 12°C | 67mm | |
| Cuaca di Bulan Oktober | 16°C / 9°C | 72mm | Details → |
| Cuaca di Bulan November | 10°C / 6°C | 72mm | Details → |
| Cuaca di Bulan Desember | 8°C / 4°C | 74mm | Details → |