Weather in Plymouth in September
Plymouth, United Kingdom averages a high of 17.6°C (63.7°F) and low of 12.6°C (54.7°F) in September, with 11 rain days and 9 hours of daily sunshine. Travel score: 68.7/100 (Good). The best time to visit Plymouth is July.
High
18°C64°F
Low
13°C55°F
🌧️
11
rain days
☀️
9
hrs/day sunshine
💧
83%
humidity
69— Good
September in Plymouth is mild and occasionally wet — pack an umbrella and enjoy indoor attractions too.
What are the average temperatures in Plymouth?
How much does it rain in Plymouth in September?
Plymouth receives an average of 68.9mm of rainfall across 11 rainy days in September. The annual total is 1009.7mm.
What should I pack for Plymouth in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 18°C
Recommended
🧥
Light rain jacket
Some rainy days expected (11 days)
☔
Umbrella
Be prepared for occasional showers
🧴
Sunscreen
Sun protection is still recommended
🕶️
Sunglasses
Useful for sunny periods
Traveling to United Kingdom in September?
Don't let a public holiday surprise you — restaurants, shops, and attractions may be closed.
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Data based on 1994–2024 averages · Last updated: 2024-12-31