Weather in Saint Johns in September
Climate normals based on 10 years of historical data for Saint Johns, Insel Man.
Average high
14°C
Average low
11°C
Rainfall
114 mm
15 rainy days
Sunshine
2.3h/day
Luftfeuchtigkeit
81%
How Hot Is Saint Johns in September?
Expect daytime highs around 14°C and overnight lows near 11°C in Saint Johns during September — an average of 12°C across the day.
Sunshine Hours in September
Heavy overcast keeps sun limited in Saint Johns: just 2.3h a day in September.
Does It Rain In Saint Johns In September?
September is one of the wetter months in Saint Johns: 114mm of rain across 15 days, with rain on most days.
Is Saint Johns Humid In September?
Tropical-style humidity defines Saint Johns's September: 81% on average, with constant mugginess.
Wind In Saint Johns In September
Expect a breezy September in Saint Johns — winds average 28 kph.
Cloud Cover In Saint Johns In September
Cloudy skies dominate Saint Johns in September — averaging 71% cloud cover.
Cities With Similar Weather In September
Weather in Saint Johns, month by month
| Month | High / Low | Regen | |
|---|---|---|---|
| Wetter im Januar | 7°C / 3°C | 107mm | Details → |
| Wetter im Februar | 7°C / 3°C | 115mm | Details → |
| Wetter im März | 7°C / 3°C | 119mm | Details → |
| Wetter im April | 8°C / 5°C | 79mm | Details → |
| Wetter im Mai | 11°C / 7°C | 85mm | Details → |
| Wetter im Juni | 14°C / 10°C | 87mm | Details → |
| Wetter im Juli | 15°C / 11°C | 116mm | Details → |
| Wetter im August | 15°C / 12°C | 127mm | Details → |
| Wetter im September | 14°C / 11°C | 114mm | |
| Wetter im Oktober | 12°C / 9°C | 136mm | Details → |
| Wetter im November | 9°C / 6°C | 142mm | Details → |
| Wetter im Dezember | 8°C / 5°C | 149mm | Details → |