コーク 9月の天気
コークの9月:快適、雨が多い、空気がきれい — 訪れるのにとても良い時期。
2026年9月更新 · ERA5再解析による気候平年値
コークでは12か月中5位 · 9月に訪れたい旅行先で1413か所中722位 · 快適スコア79/100(Bランク)
- 日中
- 18°C
- 夜
- 11°C
- 雨の日
- 12
- 日照
- 7.3 h
- 湿度
- 82%
- 日の長さ
- 13 h

9月のコークについての旅行者の声
近くのキラーニーからのメモ(73 km)
コークには9月のメモがまだありません — これは季節を共にする近くのキラーニーについてのメモです。
Killarney-forum threads on September weather are direct conditions here can go every direction within the same single day, sun, cloud, a shower and real wind all entirely possible on one outing around the lakes. Posters call short-sleeved layers under a windbreaker the standard advice, shorts generally unnecessary even on a mild afternoon. Regulars describe late August into early September as sometimes running comfortably mild, other years bringing a genuinely wetter stretch, nothing guaranteed one week to the next in County Kerry. Killarney National Park is called worth visiting regardless of forecast, the lakes and mountain backdrop striking even under grey skies. Posters recommend packing for every condition rather than trusting a single forecast more than a day out, air conditioning entirely unnecessary given how mild temperatures stay here. The record: 16.7C days feeling like 15C, 11.2C nights, an extraordinarily high 107mm across over 15 days and 85 percent humidity.
コークのほかの月
Forum posters cite average December daytime temperatures across Ireland around 8C, dropping to around 2C overnight, with the temperature rarely falling below freezing. Posters are direct that rain is a distinct possibility any time of year in Ireland but effectively a certainty in December, though posters note Cork and the wider South-West actually run drier on average than the North and East, where November tends to be the wettest month nationally. Cork locals specifically recommend waterproof, fleece-lined boots and a proper hooded waterproof jacket as the practical December uniform. Posters note frosts have become less common in recent Novembers and Decembers, and snow itself stays a low-probability event. Posters generally rate December as cold, reliably wet and short on daylight, but not requiring the heaviest winter gear given how mild Irish winters typically run.
Forum posters describe Irish January weather as genuinely all over the map - some years bring dreadful stretches with snow, ice and travel disruption, while others turn out magnificent with clear blue skies and mild temperatures, and posters are consistent that grey, cold and rainy is the most typical overall pattern. Posters flag a real chance of snow severe enough to disrupt travel, with major roads gritted but Ireland's many minor rural roads requiring real caution. Posters note that smaller visitor attractions around Cork often close for the season in January, typically reopening in March, though larger sites and city attractions - pubs, museums, urban landmarks - stay open and make for a solid winter city visit. Posters generally recommend Cork as a good January base precisely because its urban attractions don't depend on the weather cooperating.
Cork forum regulars call June genuinely unpredictable at the national level — “you could have a heatwave requiring only light clothes, or it could be wet and chilly” — but flag one regional exception: “in the south coast, April-June are the driest months,” making the Cork area a relatively decent June pick compared to the rest of the country. Typical expectations run “pleasant to warm, probably about 20 Celsius, and it may rain or may not.” Standard packing regardless of the regional edge: light trousers, t-shirts, a long-sleeved layer, a light sweater or fleece, and rainwear kept close at hand. Our record: 17.6°C days, 11.7°C nights, 12.6 rain days and a 16.3°C sea — cool with real rain frequency, a touch more unsettled than the “driest months” framing implies but consistent with genuine Irish June variability.
July is Ireland's warmest month and, on the forum's telling, still not a warm month — visitors report never seeing much above 24°C, against a Cork average high of 19. It is not reliably dry either: rain falls on about twelve days here, and posters are split on whether July is drier or wetter than spring. The advice never varies — layers, and a good rain jacket with a hood. One visitor's summary of a Cork July, "the weather was great, but that is not something that can be guaranteed," is the whole month in a sentence. Blarney and Killarney are busy; large stretches of the county are not.
地図のコークのカードから自分のメモを追加できます。
コークの気候平年値 — 9月
ERA5再解析による月平均値です。AQIはその月の平均US AQI(米国大気質指数)です。
9月のコークの混雑
その場所自体の混み具合 — 学校休暇や大型連休、編集部がタグ付けした月、そして天気の良さによる人気の高さ。快適スコアには含まれません。
ショルダーシーズン主な訪問国のうち3か国で学校休暇、天気は平年並みの月(推定)
ピークの混雑混雑ショルダーシーズン閑散
コークの天気が良い月
この旅行先自身の一年間の快適スコアでランキングしています — 混み具合とは別のものです(上の「混雑」を参照)。
天気はまずまずコークの天気がピークを迎えるのは6月〜8月で、特に良いのは7月ごろです。
天気が最高天気はまずまず天気が厳しい
9月のコークのイベント
毎年の季節のイベント、自然の見どころ、休業、祝日 — 厳選し出典を明記しています。
- 祭り
Cork Folk Festival
9月25日〜10月5日 · 例年音楽祭Around the turn of September and October the city's pubs, arts centres and theatres host sessions, singers' clubs and set dancing, many of them free. It has run every year since 1979. 出典 ↗
近くで開催中のイベント
コークから300 km以内 — 日帰りやちょっとした移動で行けて、今月何かがある場所です。快適スコアには含まれません。
コークはどこにある?
9月のコーク — よくある質問
- 9月はコークを訪れるのに良い時期ですか?
- コークの9月:快適、雨が多い、空気がきれい — 訪れるのにとても良い時期。SeasonMapの快適スコアでは、コークの12か月中5位です(79/100)。
- 9月のコークはどんな天気ですか?
- 9月のコークは、平均最高気温17.7°C、最低気温10.5°C、降水量は約83.6 mmで、雨の日はおよそ12.4日です。
- 9月のコークの大気質はどうですか?
- 9月のコークの米国大気質指数(US AQI)は、平均約35です。
300 km圏内:KillarneyのRed deer rut(9月25日〜10月25日ごろ)、DingleのBlasket Islands boats(4月1日〜9月30日ごろ)。