Dingle Weather in September

September in Dingle averages 17°C (63°F) during the day and 12°C (54°F) at night. Quite a bit of rainfall is typical this month, with around 113 mm (4.4 in) on average. An umbrella is a good idea.

Rainfall in Dingle in September

Typically, about 20 days will experience rainfall, with an average of 113 mm (4.4 in) for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Dingle in September

In September, Dingle sees moderate temperatures, with highs of 17°C (63°F). Nights drop to around 12°C (54°F). The difference between afternoon and evening temperatures is usually noticeable. Nights drop to around 12°C (54°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 Dingle in September

You can expect a moderate amount of sunlight, with approximately 118 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Dingle in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

At 15°C (59°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

Should you favor a climate that's both dry and comfortably warm, May, June, July and August typically offer the most agreeable 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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• May
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• October
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For a detailed overview over the year and the best time to visit Ireland, check out our Dingle's climate page.

Dingle Temperature in September

Min Temperature 12°C (54°F)  

Max Temperature 17°C (63°F)  

Water Temperature 15°C (59°F) *  

Chance of Rain 68%  

Precipitation 113 mm (4.4 in)  

Rainy days 20 days  

Humidity 77% *  

Windspeed 5 m/s (10 knots) *  

Sunshine 118 hours *  

Percentage Sunshine 30% *  

* Data from: Valentia, Ireland (23 KM, 14 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Dingle typically stay consistent throughout September, with daily highs averaging around 17°C (63°F). Nights are cool, with lows typically ranging from 11°C (52°F) to 13°C (55°F).

Average temperatures in September

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Daily Historical Precipitation

50-year average (1976-2025)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in September

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Historical weather for Dingle in September

Browse day-by-day weather records for Dingle spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Historical weather Temperatures Precipitation

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‹ January February March April May June July August September October November December ›

Dingle historical weather extremes in September

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Dingle.

• Dingle recorded its highest September temperature of 28°C (82°F) on September 5, 1991.
• The coldest September day was on September 20, 2018, with a maximum of 12°C (54°F).
• The lowest overnight temperature recorded in September was 3°C (37°F) (September 26, 1992).

What to Wear in Dingle 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. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Dingle in September

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

Swimming

6/10

Cycling

5/10

Walking

5/10

Camping

6/10

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 Dingle's climate page.

More climate data for Dingle

Temperature Rainfall Sunshine Humidity Wind Speed Water Temp

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