Malahide Weather in September

September in Malahide typically sees daytime highs of 18°C (64°F) and nighttime lows of 11°C (52°F). Rainfall is also possible this month, so it's worth packing an umbrella. It falls within the summer season.

Rainfall in Malahide in September

Records from the past 30 years suggest around 15 days of rain, with 77 mm (3 in) average for the month. Rain this month is fairly typical, a standard mix of wet and dry days with no particularly heavy or persistent showers.

Temperature in Malahide in September

Daytime highs in Malahide in September reach 18°C (64°F), with nights around 11°C (52°F). September marks the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. Nights cool down to 11°C (52°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.

Sunshine in Malahide in September

The area experiences a moderate amount of sunshine, with approximately 128 hours of sunlight expected. This means a decent mix of sun and overcast.

Wind Speed in Malahide in September

In September, average wind speeds reach 4 m/s (8 knots), leading to light to moderate breezes. Conditions vary from day to day, with both calm and windier periods.

Average water temperature in September

With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.

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

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Check the conditions for any month of the year.

• January
• February
• March
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• May
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• August

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• October
• November
• December

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

Malahide Temperature in September

Min Temperature 11°C (52°F)  

Max Temperature 18°C (64°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 50%  

Precipitation 77 mm (3 in)  

Rainy days 15 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Dublin, Ireland (6 KM, 4 Miles).

What to Wear in Malahide in September

Pleasant temperatures in September mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Rain gear is recommended, you can expect wet weather on multiple days. Expect water temperatures of around 15°C (59°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in Malahide 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 Ireland, check out our Malahide's climate page.

More climate data for Malahide

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

See the full Malahide climate overview or explore weather in Ireland.