A weather map of Ireland showing rain clouds and sunshine for Thursday 3 September

Ireland Weather Forecast: Thursday 3 September

September Kicks Off with Mixed Weather in Ireland

It's September 3rd, and autumn seems to be making its presence felt. This Thursday morning might offer some sunshine, but don't expect it to last. Met Éireann's forecast suggests a typical Irish day: a bit of everything, leaning heavily towards rain as the day progresses.

A weather map of Ireland showing rain clouds and sunshine for Thursday 3 September

Early September weather in Ireland often involves a gamble. One moment brings a warm breeze, the next requires a dash for cover. Today appears to follow this pattern, shifting from a pleasant start to a damp afternoon. So, grab an umbrella; it's going to be one of those days.

Today: Sunshine Fades, Rain Arrives

This morning may have brought hazy sunshine or light, scattered showers. It's the usual "will-it-or-won't-it" start to the day. The short answer is, yes, it will rain, and probably more than you'd like.

The afternoon forecast changes significantly. Cloud cover will increase, and rain will spread across the country from the west. When Met Éireann predicts "rain will turn heavy and persistent at times," they usually mean it. Munster and south Leinster are expected to bear the brunt of it later this afternoon. If you're in Cork, Kerry, Waterford, or parts of Wexford and Kilkenny, prepare for a proper drenching.

Despite the rain, temperatures will feel surprisingly mild and a bit humid, ranging from 17 to 22 degrees Celsius. This isn't bad for September, but the combination of humidity and heavy rain can feel oppressive. A light to moderate southwest wind is also expected, potentially strengthening in the northwest. If you have outdoor plans this afternoon, a good waterproof jacket will be essential.

Tonight: Clearing South, Showers North

As Thursday evening transitions to night, rain will linger in the southern half of the country. However, good news for the south: it should gradually clear by morning. So, while you might hear rain for a few hours, it won't last all night.

Further north, conditions will differ. Drier and clearer spells are expected, though isolated showers might occur. Overnight temperatures will drop to between 11 and 14 degrees Celsius, making for a relatively mild night. Winds will be light to moderate from the west to southwest, becoming strong and gusty near Atlantic coasts, as is often the case.

Friday: Brighter but Cooler

Friday, September 4th, brings a change. The day will be brighter and breezier overall. Showers won't disappear entirely but will mainly affect the northern half of the country. This means some southern counties might stay dry all day, a welcome relief after Thursday's downpour.

A noticeable difference on Friday will be the temperature, which will feel cooler than today, with highs from 15 to 18 degrees Celsius. This cooler air will come with moderate to fresh westerly winds, again strong and gusty along the west and north coasts. If you're on the west coast, hold onto your hats!

The Weekend and Beyond: Unsettled Conditions Continue

What about the weekend? The unsettled pattern appears set to continue.

Friday Night: Mostly dry with clear spells. A few isolated showers will hit the west and northwest coasts. Temperatures will be between 9 and 12 degrees, and westerly winds will begin to ease.

Saturday: After a largely dry start, Saturday is expected to turn wet and breezy in the afternoon as rain pushes in from the southwest. While details are still uncertain, current predictions suggest the heaviest and most persistent rain will be in the west and north. Temperatures will be milder again, between 16 and 19 degrees, with southerly winds picking up.

Saturday Night: Rain and drizzle will clear towards the northeast, leaving dry but cloudy conditions elsewhere. A mild night with lows of 13 to 16 degrees, with the coolest spots in the north.

Sunday: Prepare for another wet and breezy day. Showery rain is expected to become widespread throughout the afternoon. Temperatures will climb again, reaching between 18 and 22 degrees, with moderate to fresh southerly winds shifting to northwesterly.

Monday: The start of the new week looks similar. Scattered showers will spread eastwards in the morning, followed by more persistent rain moving in from the southwest and covering the country in the afternoon. Highs of 15 to 19 degrees, warmest in the south, with light to moderate westerly winds strengthening along the northwest coast.

Tuesday: A crisper, breezier day with scattered showers coming in from the northwest. Moderate to fresh northwesterly winds will be strong along the west and north coasts.

Looking further ahead, Met Éireann suggests that unsettled conditions will persist for a while. Expect unseasonably wet and breezy weather at times, with temperatures noticeably cooler, generally staying in the low to mid-teens.

Autumn is making its presence known with a classic Irish welcome: plenty of rain, blustery winds, and fluctuating temperatures that keep everyone guessing. Whether you're heading out for work, school, or enjoying a cuppa at home, it's always a good idea to check the latest forecast from Met Éireann (https://www.met.ie) before stepping out. Stay dry, everyone!

Share this content: