SeasonMapDingle weather in September
Ireland
September in Dingle: cool, rainy, with clean air — a good time to visit.
#6 of 12 months in Dingle · #1004 of 1383 destinations to visit in September · comfort 66/100 (tier C)
Updated September 2026 · climate normals from ERA5 reanalysis
Traveller notes on Dingle in September
Other months in Dingle
Dingle's forum calls June likely pleasant to warm, around 20°C on a good day, but genuinely unpredictable — one visitor's early-June trip saw a windy, 10-11°C day at Inch Beach alongside a beautifully sunny one in the low 20s within the same week. Regulars' standard advice is layers plus a hooded waterproof, since sea breezes off the peninsula can turn brisk with little warning.
Add your own note from Dingle's card on the map.
Dingle climate normals — September
| Daytime high | 17°C / 62°F | 🙂 cool |
|---|---|---|
| Nighttime low | 11°C / 53°F | |
| Feels like (high) | 15°C / 59°F | |
| Sea temperature | 17°C / 62°F | 🧊 bracing |
| Rainfall | 95 mm / 3.7 in | 🌧 rainy |
| Rainy days | 17 days | |
| Humidity | 82% | 💦 very humid |
| Dew point | 11°C / 52°F | |
| Sunshine | 7.4 h/day | |
| Daylight | 12.6 h | |
| Wind | 22 km/h / 14 mph | |
| Air quality (US AQI) | 40 | 🍃 good |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Dingle in September
How busy the place itself is — school and mass holidays, the months an editor tagged, and how sought-after the weather makes them. Never part of the comfort score.
BusyDingle Food Festival, school holidays in 3 of the markets that fill it(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Dingle's weather
Ranked by this destination's own climate comfort score across the year — a different thing from how busy it gets (see Crowds above).
Fair weatherDingle's weather peaks May–July, best around June.
Best weatherFair weatherToughest weather
What's on in Dingle in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Opening
Blasket Islands boats
1 Apr – 30 Sep · usuallySummer season opensThe boats to the Great Blasket run from about Easter to the end of September and are cancelled for swell as often as for rain. Landing on the island is a different trip from the eco-cruise around it. Source ↗
- Festival
Dingle Food Festival
28 Sep – 8 Oct · usuallyMajor festivalCrowdedThe first weekend of October, run by volunteers, built around a taste trail through the pubs and shops rather than a single marquee. It is the last busy weekend before winter. Source ↗
Nearby, and something's on
Within 300 km of Dingle — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Dingle?
Dingle in September — FAQ
- Is September a good time to visit Dingle?
- September in Dingle: cool, rainy, with clean air — a good time to visit. It ranks #6 of 12 months for Dingle on SeasonMap's comfort score (66/100).
- What is the weather like in Dingle in September?
- In September, Dingle averages a daily high of 16.6°C and a low of 11.4°C, with about 95 mm of rain over roughly 16.7 rainy days.
- What is the air quality in Dingle in September?
- Dingle has a mean US Air Quality Index of about 40 in September.
Other months in Dingle
Compare Dingle in September
Warmer or cooler than Dingle in September
Similar destinations in Northern Europe — September
Within 300 km: Killarney's Red deer rut around 25 Sep – 25 Oct.