Weather in Londonderry County Borough in September
Londonderry County Borough, United Kingdom averages a high of 15.6°C (60.1°F) and low of 10.6°C (51.1°F) in September, with 14 rain days and 7.2 hours of daily sunshine. Travel score: 57.6/100 (Mixed). The best time to visit Londonderry County Borough is June.
High
16°C60°F
Low
11°C51°F
🌧️
14
rain days
☀️
7.2
hrs/day sunshine
💧
83%
humidity
58— Mixed
September in Londonderry County Borough is mild and occasionally wet — mixed conditions — plan indoor alternatives.
What are the average temperatures in Londonderry County Borough?
How much does it rain in Londonderry County Borough in September?
Londonderry County Borough receives an average of 79.1mm of rainfall across 14 rainy days in September. The annual total is 1019.8mm.
What should I pack for Londonderry County Borough in September?
Essentials
👟
Comfortable walking shoes
Essential for exploring the city
🧥
Mix of light and warm layers
Mild temperatures around 16°C
Recommended
🧥
Light rain jacket
Some rainy days expected (14 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