インヴァネス 9月の天気
インヴァネスの9月:涼しい、ときどき雨、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
インヴァネスでは12か月中5位 · 9月に訪れたい旅行先で1413か所中822位 · 快適スコア76/100(Bランク)
- 日中
- 16°C
- 夜
- 8°C
- 雨の日
- 15
- 日照
- 7 h
- 湿度
- 81%
- 日の長さ
- 13 h

9月のインヴァネスについての旅行者の声
Regulars name this among the better months to visit specifically because it tends to run drier than July or August while midge numbers, still present early on, drop fast as the month progresses. Our row backs that cool, genuinely wet read, 15.9C over 7.6C nights feeling 5C, with 76.7mm of rain across 15 days and humidity at 81 percent. Regulars are consistent the first signs of autumn bring genuine unpredictability, glorious sunshine one stretch and fairly severe storms the next, though nothing worse than rain is realistic this early. Regulars are specific daylight noticeably shortens and temperatures cool further by the back half, worth factoring into an itinerary timed for the month's start. The sea sits at a cool 15.5C. The record: 7 hours of sun, an 18.3 kph wind and one of the cleanest air readings in this project, AQI 27.
インヴァネスのほかの月
Inverness-forum threads on May weather are consistent this is one of the better months of the year here, genuinely long daylight - close to 17 hours by month's end - and posters call the odds of a run of decent, mild days noticeably better than earlier in the spring. That said, regulars are quick to add the standing Highlands joke still applies: conditions can shift from mild to cool to overcast to a passing shower within the same morning, so a single-layer forecast is never quite reliable. The genuine upside repeated across threads is midge season hasn't properly started - the biting insects that plague the Highlands from June onward are largely absent in May, a real practical advantage for anyone planning to be outdoors near lochs or forest trails. Layers and a light waterproof remain standing advice regardless. The record: 14.8C days feeling like 12C, 5.5C nights, an 11.8C sea and 76 percent humidity.
Inverness-forum threads on January visits confirm it as the coldest month here, and posters are blunt that daylight itself is the bigger constraint than the cold - sightseeing hours run roughly nine to half past three, a genuinely short window to work around. Snow and ice do show up, enough that regulars recommend train travel over driving for anyone nervous about winter roads, though rain is called more likely than snow at lower elevations most winters. One poster sums up the real character of the month bluntly: it's not the cold that ruins a trip, it's the damp, dull days, though a clear, cold, sunny stretch does happen and makes being outdoors genuinely enjoyable when it does. Regulars are consistent that predicting which version of January a given week gets is essentially impossible. The record: 5.8C days feeling like 3C, 0.3C nights, 79mm across 13.9 days, 9.1cm of fresh snowfall, an 88 percent humidity and 2.6 hours of sun.
August is peak midge season in the Highlands, and the Inverness forum's first point is that the town itself is one of the better places to be - coastal, urban and farmed, so far less affected than the moorland, forestry and lochside country around it, Loch Ness included. The west is worse than the east. Midges come out at dusk and dislike wind, so a breeze or a dry spell buys you the evening. If you are walking, the kit named is repellent, Skin So Soft or DEET, covering up, and a head net for sitting still. The weather is its own lottery: our row carries 70.8mm across 15 precipitation days, and regulars describe heavy rain one day and factor 50 the next. The record: 18.1C days that feel like 16C, 9.7C nights and 8.9 hours of sun.
July is peak midge season in the Highlands, and the most reassuring thing on the Inverness forum comes from people who live here: in the town itself they say they very rarely see them. Midges belong to the west coast and to still, damp air by water, so Loch Ness and the moor and forestry south of it are the problem, not the streets. The rules regulars give are simple - dawn and dusk are the bad hours, a breeze grounds them, and since about 4mph is enough and that is walking pace, they are barely an issue while you keep moving. On the weather they promise nothing: warm sun and a soaking can share a week. The record: 18.7C days, 10.5C nights, 15.1 precipitation days, 9.1 hours of sun inside 17.2 hours of daylight, AQI 25.
地図のインヴァネスのカードから自分のメモを追加できます。
インヴァネスの気候平年値 — 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月のインヴァネスの混雑
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。
混雑Loch Ness Marathon、主な訪問国のうち3か国で学校休暇(推定)
ピークの混雑混雑ショルダーシーズン閑散
インヴァネスの天気が良い月
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)。
天気はまずまずインヴァネス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月のインヴァネスのイベント
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。
- 自然
Dolphins at Chanonry Point
5月1日〜9月30日 · 例年ホエールシーズンThe Moray Firth bottlenose pod feeds on the rising tide at the point across the water, half an hour from town. Go on the flood tide or you will see a beach.
- 要注意
Midge season
5月25日〜9月15日 · 例年虫・感染症The town itself is mostly spared, but still, damp evenings along Loch Ness and in Glen Affric in July and August bring clouds of them. Pack repellent and a head net for anything off the pavement; a breeze keeps them down. 出典 ↗
- 自然
Aurora on strong nights
9月15日〜3月31日 · 例年Far enough north that a decent solar storm shows over the Moray Firth, but not far enough that it is routine. Drive out to the coast away from the town's glow and watch the forecast, not the sky.
- 祭り
Loch Ness Marathon
9月27日スポーツイベント混雑休業A point-to-point down the south side of the loch into the city on a Sunday at the end of September, with the loch road shut for the morning and the town full the night before. 出典 ↗
近くで開催中のイベント
インヴァネスから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。
インヴァネスはどこにある?
9月のインヴァネス — よくある質問
- 9月はインヴァネスを訪れるのに良い時期ですか?
- インヴァネスの9月:涼しい、ときどき雨、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、インヴァネスの12か月中5位です(76/100)。
- 9月のインヴァネスはどんな天気ですか?
- 9月のインヴァネスは、平均最高気温15.9°C、最低気温7.6°C、降水量は約76.7 mmで、雨の日はおよそ15日です。
- 9月のインヴァネスの大気質はどうですか?
- 9月のインヴァネスの米国大気質指数(US AQI)は、平均約27です。
300 km圏内:AviemoreのBirch and larch turning(9月25日〜10月25日ごろ)、Fort WilliamのJacobite steam train season(6月1日〜10月23日ごろ)。