Hotels
Flights
Swansea Weather September
Swansea is located in oceanic climate that can be described as high humidity and moderate seasonal temperature fluctuations warm summer and soft but windy winter.
To help you choose the best time to travel, you can find climate data below on the weather in Swansea in September.
average daily high | +17.8°C | |
average daily low | +12.4°C | |
sea temperature | +16.5°C | |
daytime | 13.2 h | |
average monthly precipitation | 77 mm | |
Best time with the soft weather for the sightseeing and long walks in Swansea are July, August.
Temperature in Swansea
In September the average daily maximum in Swansea is +17.8°C, and the minimum +12.4°C.
The hottest September day on record is +23.2°C, and the coldest +5.7°C.
Best beach resorts in September:
Daylight hours
There are 13.2 hours of daylight in Swansea in September.
Most Popular Destinations in the World
Sea temperature
The average monthly temperature in the Bristol Channel on the beaches of Swansea in September is +16.5°C.
The water is considered very cool, but some hardy people might bathe in it for 10-15 minutes.
Precipitation
The amount of precipitation in Swansea in September is usually 77 mm, which may cause a change of plans on certain days.