Santry Weather in September

September in Santry averages 18°C (64°F) during the day and 11°C (52°F) at night. Quite a bit of rainfall is typical this month, with around 75 mm (3 in) on average. An umbrella is a good idea.

Rainfall in Santry in September

Expect around 15 days of rain based on historical data, with 75 mm (3 in) average. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Santry in September

Expect highs of 18°C (64°F) in Santry in September, with nights dropping to around 11°C (52°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. At 11°C (52°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Santry in September

The month experiences a moderate amount of sunlight, with 128 hours of sunshine. This provides a nice balance between sunshine and clouds.

Wind Speed in Santry 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.

For Santry itself, July and August generally stand out with 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 Ireland, check out our Santry's climate page.

Santry 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 75 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 (4 KM, 2 Miles).

What to Wear in Santry 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. 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 Santry 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 Santry's climate page.

More climate data for Santry

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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