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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.
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
Castlemartin Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Castlemartin - and find the best time to visit.
Best Places in the United Kingdom in September
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
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.
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Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports9/10
Castlemartin 3-Day Forecast
More climate data for Castlemartin
See the full Castlemartin climate overview or explore weather in the United Kingdom.
Popular in September
Where to go in September - average daytime high across popular destinations.
London
20°C (68°F) Bath19°C (66°F) Torquay19°C (66°F) Manchester
18°C (64°F) York19°C (66°F) Edinburgh17°C (63°F) Blackpool17°C (63°F) Glasgow17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Hike the South West Coast Path
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