Celbridge Weather in September

Celbridge in September averages 18°C (64°F) during the day and 10°C (50°F) at night. Keep in mind that quite a bit of rainfall is expected this month.

Rainfall in Celbridge in September

Expect around 16 days of rain based on historical data, with 72 mm (2.8 in) average. Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.

Temperature in Celbridge in September

If you're visiting Celbridge in September, expect highs of 18°C (64°F) and overnight lows around 10°C (50°F). Temperatures can feel cooler in the morning and evening, so layering is often the best approach. With lows of 10°C (50°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.

Sunshine in Celbridge in September

The area enjoys a balanced 128 hours of sunlight, ensuring it's neither too overcast nor too sunny.

Wind Speed in Celbridge 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.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Celbridge.

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

Celbridge Temperature in September

Min Temperature 10°C (50°F)  

Max Temperature 18°C (64°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 53%  

Precipitation 72 mm (2.8 in)  

Rainy days 16 days  

Humidity 71% *  

Windspeed 4 m/s (8 knots) *  

Sunshine 128 hours *  

Percentage Sunshine 33% *  

* Data from: Dublin, Ireland (22 KM, 13 Miles).

What to Wear in Celbridge in September

For Celbridge in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. 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. Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Celbridge 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 Celbridge's climate page.

More climate data for Celbridge

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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