Rostrevor Weather in September

In Rostrevor, September brings moderate daytime temperatures around 17°C (63°F), with nights cooling to 11°C (52°F). Expect quite a bit of rainfall this month.

Rainfall in Rostrevor in September

Records from the past 30 years suggest around 17 days of rain, with 79 mm (3.1 in) average for the month. Rain falls on many days this month, but usually in relatively small amounts. A light waterproof is more useful than a heavy umbrella.

Temperature in Rostrevor in September

September in Rostrevor brings typical temperatures with highs around 17°C (63°F) and lows of 11°C (52°F). Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights drop to around 11°C (52°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.

Sunshine in Rostrevor in September

The area enjoys a moderate level of sunlight, with around 109 hours. It's a good balance between sunny and cloudy days.

If you prefer dry days with pleasant temperatures, June, July and August typically offer the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

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

Rostrevor Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 17°C (63°F)  

Chance of Rain 57%  

Precipitation 79 mm (3.1 in)  

Rainy days 17 days  

Humidity 91% *  

Sunshine 109 hours *  

Percentage Sunshine 28% *  

* Data from: Belfast, Ireland (61 KM, 38 Miles).

What to Wear in Rostrevor 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. Wet weather is likely, so pack waterproof gear for multiple rainy days. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Rostrevor in September

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

Swimming

6/10

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 Rostrevor's climate page.

More climate data for Rostrevor

Temperature Rainfall Sunshine Humidity

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