Weather in Castletown in September
Climate normals based on 10 years of historical data for Castletown, Isle of Man.
Average high
15°C
Average low
13°C
Rainfall
105 mm
15 rainy days
Sunshine
2.5h/day
Kelembapan
81%
How Hot Is Castletown in September?
Castletown in September clocks an average daytime peak of 15°C with overnight lows around 13°C.
Sunshine Hours in September
Heavy overcast keeps sun limited in Castletown: just 2.5h a day in September.
Does It Rain In Castletown In September?
Wet conditions dominate Castletown: 105mm of rain on 15 days.
Is Castletown Humid In September?
Castletown is sticky and humid throughout September: 81% humidity makes the heat feel relentless.
Wind In Castletown In September
Castletown sees consistent breezes in September: typical wind speeds of 33 kph.
Cloud Cover In Castletown In September
Grey, cloudy days are the norm: 70% average cover in Castletown.
Cities With Similar Weather In September
Weather in Castletown, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca di Bulan Januari | 9°C / 6°C | 97mm | Details → |
| Cuaca di Bulan Februari | 8°C / 6°C | 97mm | Details → |
| Cuaca di Bulan Maret | 8°C / 6°C | 98mm | Details → |
| Cuaca di Bulan April | 10°C / 7°C | 61mm | Details → |
| Cuaca di Bulan Mei | 12°C / 10°C | 59mm | Details → |
| Cuaca di Bulan Juni | 15°C / 12°C | 66mm | Details → |
| Cuaca di Bulan Juli | 16°C / 14°C | 90mm | Details → |
| Cuaca di Bulan Agustus | 16°C / 14°C | 100mm | Details → |
| Cuaca di Bulan September | 15°C / 13°C | 105mm | |
| Cuaca di Bulan Oktober | 14°C / 11°C | 121mm | Details → |
| Cuaca di Bulan November | 11°C / 9°C | 127mm | Details → |
| Cuaca di Bulan Desember | 10°C / 8°C | 132mm | Details → |