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

Portree🇬🇧 United Kingdom · British Isles · City68
  1. 44Jan
  2. 48Feb
  3. 60Mar
  4. 73Apr
  5. 79May
  6. 82Jun
  7. 80Jul
  8. 75Aug
  9. 68Sep
  10. 56Oct
  11. 51Nov
  12. 41Dec

#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
Portree, United Kingdom
Photo: Clément Proust · Pexels

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.
MidgesFadeFastRainStaysAboutTheSame · September · 1 month ago · about Isle of Skye · Read more on Tripadvisor ↗

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.
SkyeWinterRegular · December · 1 month ago · Read more on Tripadvisor ↗
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.
Tripadvisor community · June · 1 month ago · Read more on Tripadvisor ↗

Add your own note from Portree's card on the map.

Portree climate normals — September

Daytime high15°C / 58°F🙂 cool
Nighttime low11°C / 52°F
Feels like (high)12°C / 54°F
Sea temperature14°C / 58°F🥶 cold sea
Rainfall164 mm / 6.5 in⛈ soaked
Rainy days20 days
Humidity83%💦 very humid
Dew point10°C / 50°F
Sunshine6.2 h/day
Daylight12.8 h
Wind26 km/h / 16 mph
Air quality (US AQI)30🍃 good

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)

JFMAMJJASOND

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.

JFMAMJJASOND

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 & disease

    Skye 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 ↗

What's on around the world in September →

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?

Loading map…

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.