Weather in Saint John in September
Climate normals based on 10 years of historical data for Saint John, Jersey.
Average high
18°C
Average low
15°C
Rainfall
85 mm
12 rainy days
Sunshine
3.3h/day
Kelembapan
77%
How Hot Is Saint John in September?
September in Saint John averages 18°C in the afternoon and 15°C overnight, with a typical daily mean of 17°C.
Sunshine Hours in September
September delivers about 3.3h of sun in Saint John — a mix of sunny stretches and cloudy ones.
Does It Rain In Saint John In September?
Showers come almost daily: 85mm in 12 days in Saint John.
Is Saint John Humid In September?
Tropical-style humidity defines Saint John's September: 77% on average, with constant mugginess.
Wind In Saint John In September
Wind picks up in Saint John during September — averaging 31 kph, with gustier afternoons.
Cloud Cover In Saint John In September
Cloudy skies dominate Saint John in September — averaging 64% cloud cover.
Cities With Similar Weather In September
Weather in Saint John, month by month
| Month | High / Low | Hujan | |
|---|---|---|---|
| Cuaca di Bulan Januari | 10°C / 7°C | 114mm | Details → |
| Cuaca di Bulan Februari | 9°C / 7°C | 82mm | Details → |
| Cuaca di Bulan Maret | 10°C / 8°C | 79mm | Details → |
| Cuaca di Bulan April | 12°C / 9°C | 45mm | Details → |
| Cuaca di Bulan Mei | 14°C / 11°C | 57mm | Details → |
| Cuaca di Bulan Juni | 17°C / 14°C | 66mm | Details → |
| Cuaca di Bulan Juli | 18°C / 16°C | 57mm | Details → |
| Cuaca di Bulan Agustus | 19°C / 16°C | 80mm | Details → |
| Cuaca di Bulan September | 18°C / 15°C | 85mm | |
| Cuaca di Bulan Oktober | 16°C / 13°C | 114mm | Details → |
| Cuaca di Bulan November | 13°C / 11°C | 129mm | Details → |
| Cuaca di Bulan Desember | 11°C / 9°C | 123mm | Details → |