Weather in Swansea in september
Climate normals based on 10 years of historical data for Swansea, Storbritannien.
Average high
17°C
Average low
13°C
Rainfall
151 mm
16 rainy days
Sunshine
2.6h/day
Luftfuktighet
81%
How Hot Is Swansea in september?
September brings typical readings of 17°C by day and 13°C by night to Swansea.
Sunshine Hours in september
September is mostly overcast in Swansea: just 2.6h of direct sun, despite 13h of daylight.
Does It Rain In Swansea In september?
Wet conditions dominate Swansea: 151mm of rain on 16 days.
Is Swansea Humid In september?
Swansea is sticky and humid throughout September: 81% humidity makes the heat feel relentless.
Wind In Swansea In september
Swansea sees consistent breezes in September: typical wind speeds of 26 kph.
Cloud Cover In Swansea In september
Grey, cloudy days are the norm: 68% average cover in Swansea.
Cities With Similar Weather In september
Weather in Swansea, month by month
| Month | High / Low | Regn | |
|---|---|---|---|
| Vädret i januari | 9°C / 5°C | 153mm | Details → |
| Vädret i februari | 9°C / 5°C | 137mm | Details → |
| Vädret i mars | 10°C / 5°C | 134mm | Details → |
| Vädret i april | 12°C / 7°C | 75mm | Details → |
| Vädret i maj | 15°C / 10°C | 100mm | Details → |
| Vädret i juni | 17°C / 12°C | 96mm | Details → |
| Vädret i juli | 19°C / 14°C | 125mm | Details → |
| Vädret i augusti | 18°C / 15°C | 151mm | Details → |
| Vädret i september | 17°C / 13°C | 151mm | |
| Vädret i oktober | 14°C / 11°C | 186mm | Details → |
| Vädret i november | 11°C / 8°C | 167mm | Details → |
| Vädret i december | 10°C / 7°C | 212mm | Details → |