Castlemartin Weather in September

September in Castlemartin typically sees daytime highs of 18°C (64°F) and nighttime lows of 14°C (57°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Castlemartin in September

You can expect rain on roughly 15 days based on historical data, averaging 89 mm (3.5 in) for the month. A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Castlemartin in September

Daytime temperatures in Castlemartin reach 18°C (64°F) in September, dropping to 14°C (57°F) at night. Experience the summer season in September. Conditions are often most pleasant around the middle of the day. Nights drop to around 14°C (57°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.

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For a detailed overview over the year and the best time to visit the United Kingdom, check out our Castlemartin's climate page.

Castlemartin Temperature in September

Min Temperature 14°C (57°F)  

Max Temperature 18°C (64°F)  

Chance of Rain 48%  

Precipitation 89 mm (3.5 in)  

Rainy days 15 days  

What to Wear in Castlemartin in September

For Castlemartin in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho.

What To Do in Castlemartin in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Cycling

6/10

Walking

6/10

Camping

8/10

Outdoor sports

9/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit the United Kingdom, check out our Castlemartin's climate page.

More climate data for Castlemartin

Temperature Rainfall

See the full Castlemartin climate overview or explore weather in the United Kingdom.