Portree weather in September
September in Portree: cool, soaked, with clean air — fine if you can take 20 rainy days.
Updated September 2026 · climate normals from ERA5 reanalysis
#6 of 12 months in Portree · #992 of 1413 destinations to visit in September · comfort 68/100 (tier C)
- Days
- 15°C
- Nights
- 11°C
- Wet days
- 20
- Sun
- 6.2 h
- Humidity
- 83%
- Daylight
- 13 h

Traveller notes on Portree in September
Notes from nearby Isle of Skye (0 km away)
Portree doesn't have its own notes for September yet — these are about Isle of Skye, close enough to share the season.
Regulars are consistent this counts among the better months to visit specifically because midge numbers drop off fast and become far more localized than the widespread swarms of mid-June through August, even as rain chances stay about the same as any other month. Our row backs that cool, genuinely wet read, 14.5C over 11.3C nights feeling 9C, with a substantial 164.1mm of rain across over 20 days and a real 25.5 kph wind. Regulars are honest an early-September Indian summer can occasionally push highs to a pleasant 16-17C, though a rainy, spitting stretch in the low teens is just as likely. Layers remain the standard, near-universal advice regardless of which version of the month shows up. The sea sits at a cold 14.3C. The record: humidity 83 percent, 6.2 hours of sun and one of the cleanest air readings in this project, AQI 30.
Other months in Portree
Skye's own forum doesn't dress up December: dark days (barely six to seven hours of daylight by mid-month), heavy rain, and cold winds are the norm, with several posters flagging it as one of the windiest months of the year. Snow at sea level in Portree itself is unlikely - it's more a mountain phenomenon - so expect rain and low cloud rather than a white winter scene in town. The advice that comes up again and again is to stay flexible: a clear, crisp day is possible, but the safer bet is dressing for wind and rain and treating any sunshine as a bonus.
Forum posters describe June as capable of delivering '4 seasons in one day,' with wet and cold weather always a real possibility regardless of the season - but also note June has actually run drier than other months in recent years, making it a relatively favorable pick weather-wise. The standout upside is daylight: it barely gets dark, letting visitors sightsee or walk until 11:30pm and still catch a proper sunset before bed. Skye's size and mountainous terrain mean it generates its own microweather, so conditions can vary meaningfully across the island even on the same day. One seasonal heads-up: midges start becoming a real nuisance from mid-to-late June onward, particularly on the west coast, and Portree itself gets genuinely busy by late June, so booking accommodation early is standard advice.
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Portree climate normals — September
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Crowds in Portree 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.
Shoulder seasonschool holidays in 3 of the markets that fill it, an ordinary month(estimated)
Peak crowdsBusyShoulder seasonQuiet
Best months for Portree'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 weatherPortree's weather peaks May–July, best around June.
Best weatherFair weatherToughest weather
What's on in Portree in September
Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.
- Season
Midge season
25 May – 15 Sep · usuallyInsects & diseaseSkye midges are the reason nobody eats outside on a still evening between June and September. Wind and bright sun keep them down; damp and calm brings them out in numbers that end the walk. Source ↗
Nearby, and something's on
Within 300 km of Portree — a day trip or a short hop — with something on this month. Never part of the comfort score.
Where is Portree?
Portree in September — FAQ
- Is September a good time to visit Portree?
- September in Portree: cool, soaked, with clean air — fine if you can take 20 rainy days. It ranks #6 of 12 months for Portree on SeasonMap's comfort score (68/100).
- What is the weather like in Portree in September?
- In September, Portree averages a daily high of 14.5°C and a low of 11.3°C, with about 164.1 mm of rain over roughly 20.3 rainy days.
- What is the air quality in Portree in September?
- Portree has a mean US Air Quality Index of about 30 in September.
Within 300 km: Isle of Skye's Minke whales and basking sharks around 1 Jun – 15 Sep, and Fort William's Jacobite steam train season around 1 Jun – 23 Oct.