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What’s Swansea Like in September?

September in Swansea, South Wales, marks the beginning of autumn. The weather transitions from summer, offering cooler temperatures and a decrease in peak tourist crowds. It’s often considered a pleasant shoulder season for visitors, providing a good balance of mild weather and fewer people.

What is the Weather and Climate in Swansea in September?

September typically sees average high temperatures ranging from 16°C to 18°C (61-64°F) and average lows between 10°C and 12°C (50-54°F). Rainfall is moderate, with approximately 80-100mm falling over 14-17 days, so expect some rain showers. Sunshine averages around 4-5 hours per day. Coastal areas can experience breezy conditions. (Estimated based on Met Office historical climate data for the region).

What are Typical Costs and Availability in Swansea in September?

September is shoulder season, meaning accommodation and travel costs are generally more affordable than the peak summer months of July and August, but higher than the quiet winter period.

What to Expect: Crowds, Events, and Conditions in September?

Crowds are generally moderate in September. The main summer tourist rush has subsided, making popular spots like the Gower Peninsula beaches more relaxed. Days are noticeably shortening compared to summer. While no major recurring annual events are guaranteed for September, local festivals or markets may occur; check local listings closer to your travel date. Sea temperatures remain relatively mild from summer, around 15-17°C (59-63°F), making watersports like surfing possible with a wetsuit.

What are the Best Activities for September in Swansea?

September is ideal for outdoor activities before the colder weather sets in, offering pleasant conditions and fewer people.

For finding free amenities like public restrooms, water fountains, or free Wi-Fi spots in Swansea and beyond, tools like AllInMap can be very useful.

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