Weather in Jamestown in September
Climate normals based on 10 years of historical data for Jamestown, Saint Helena.
Average high
19°C
Average low
18°C
Rainfall
20 mm
7 rainy days
Sunshine
1.2h/day
Kelembapan
78%
How Hot Is Jamestown in September?
September brings typical readings of 19°C by day and 18°C by night to Jamestown.
Sunshine Hours in September
Heavy overcast keeps sun limited in Jamestown: just 1.2h a day in September.
Does It Rain In Jamestown In September?
Brief rain events are typical: Jamestown sees 20mm across 7 days in September.
Is Jamestown Humid In September?
Air feels constantly thick in Jamestown: 78% humidity is the norm in September.
Wind In Jamestown In September
Jamestown sees consistent breezes in September: typical wind speeds of 32 kph.
Cloud Cover In Jamestown In September
Grey, overcast skies dominate: 81% average cloud cover in Jamestown.
Cities With Similar Weather In September
Weather in Jamestown, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca di Bulan Januari | 23°C / 21°C | 19mm | Details → |
| Cuaca di Bulan Februari | 24°C / 22°C | 20mm | Details → |
| Cuaca di Bulan Maret | 24°C / 22°C | 25mm | Details → |
| Cuaca di Bulan April | 24°C / 22°C | 19mm | Details → |
| Cuaca di Bulan Mei | 23°C / 21°C | 20mm | Details → |
| Cuaca di Bulan Juni | 22°C / 20°C | 22mm | Details → |
| Cuaca di Bulan Juli | 20°C / 18°C | 24mm | Details → |
| Cuaca di Bulan Agustus | 20°C / 18°C | 21mm | Details → |
| Cuaca di Bulan September | 19°C / 18°C | 20mm | |
| Cuaca di Bulan Oktober | 20°C / 18°C | 18mm | Details → |
| Cuaca di Bulan November | 20°C / 18°C | 15mm | Details → |
| Cuaca di Bulan Desember | 21°C / 20°C | 22mm | Details → |