Castlederg Weather in September

September in Castlederg brings moderate temperatures, with highs of 17°C (63°F) and nights dropping to 10°C (50°F). Rainfall is on the higher side this month, averaging around 90 mm (3.5 in), so keep a rain jacket handy.

Rainfall in Castlederg in September

Records from the past 30 years suggest around 21 days of rain, with 90 mm (3.5 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Castlederg in September

If you're visiting Castlederg in September, expect highs of 17°C (63°F) and overnight lows around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 10°C (50°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Castlederg in September

The city usually sees around 118 hours of sunlight, indicating a moderately sunny period.

If you're inclined towards comfortable temperatures and drier conditions, September is a good time to visit Castlederg.

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• January
• February
• March
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• 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 Castlederg's climate page.

Castlederg Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 71%  

Precipitation 90 mm (3.5 in)  

Rainy days 21 days  

Sunshine 118 hours *  

Percentage Sunshine *  

* Data from: Derry, Ireland (36 KM, 22 Miles).

What to Wear in Castlederg in September

Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Castlederg in September

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

Swimming

5/10

Cycling

6/10

Walking

6/10

Camping

4/10

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 Castlederg's climate page.

More climate data for Castlederg

Temperature Rainfall Sunshine

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