St Andrews weather in September

September in St Andrews: cool, a little rain, with clean air — a great time to visit.

Updated September 2026 · climate normals from ERA5 reanalysis

St Andrews🇬🇧 United Kingdom · British Isles · City79
  1. 51Jan
  2. 59Feb
  3. 67Mar
  4. 75Apr
  5. 81May
  6. 85Jun
  7. 89Jul
  8. 88Aug
  9. 79Sep
  10. 65Oct
  11. 57Nov
  12. 49Dec

#5 of 12 months in St Andrews · #750 of 1413 destinations to visit in September · comfort 79/100 (tier B)

Days
17°C
Nights
9°C
Wet days
12
Sun
8 h
Humidity
79%
Daylight
13 h
St Andrews, United Kingdom
Photo: Geert Rozendom · Pexels

Traveller notes on St Andrews in September

Notes from nearby Edinburgh (50 km away)

St Andrews doesn't have its own notes for September yet — these are about Edinburgh, close enough to share the season.

Regulars call this reasonably warm and sunny overall, still light until early evening, but are upfront it's genuinely impossible to know what a specific visit will bring given Scotland's unpredictable weather. Our row backs the mild, changeable read, 17.2C over 9.8C nights feeling 8C, with 57.3mm of rain across 10.6 days and a real 20.9 kph wind. Regulars are consistent on the real practical upside of this month: noticeably quieter than the August festival peak, with room rates dropping significantly once the crowds thin. The standard packing advice - interchangeable layers, a proper waterproof and sturdy walking shoes - reflects the genuine unpredictability rather than any specific forecast. The sea sits at 15.2C. The record: humidity 82 percent, 7.1 hours of sun and one of the cleanest air readings in this project, AQI 32.
QuieterAndCheaperOnceFestivalsEnd · September · 1 month ago · about Edinburgh · Read more on Tripadvisor ↗

Other months in St Andrews

Forum posters describe February in St Andrews as likely cold but with a real chance of blue skies, genuinely variable day to day, though generally fine overall. Posters specifically note Scotland's east coast runs noticeably drier than the west, with St Andrews' own local microclimate reducing the odds of golf course closures compared to other parts of the country. Posters mention golf courses can close for a while in the morning due to frost, though last year most stayed open, sometimes just opening a bit later in the day. Posters do note that waiting until March would improve the weather odds somewhat, though Scotland's climate remains genuinely unpredictable either way. Posters generally rate February as cold but workable for a St Andrews visit, with cheaper golf rates a real upside of the off-season timing.
Tripadvisor community · February · 1 month ago · Read more on Tripadvisor ↗
The forum's blunt summary: Scottish weather is unpredictable even in August, and you should be ready for anything from 50F to 90F, drought conditions, or persistent heavy rain within the same week. The standard packing list is short and long-sleeve tees, a fleece for when the sea breeze picks up, and a rain jacket - layers are repeatedly called the best strategy. Separately, posters flag August itself as the busiest month: school holidays plus a bank holiday near month's end, and the long-running Lammas Market fair takes over much of the town center and makes parking difficult.
Tripadvisor community · August · 1 month ago · Read more on Tripadvisor ↗

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

St Andrews climate normals — September

Daytime high17°C / 62°F🙂 cool
Nighttime low9°C / 48°F
Feels like (high)14°C / 57°F
Sea temperature15°C / 59°F🥶 cold sea
Rainfall61 mm / 2.4 in🌦 some rain
Rainy days12 days
Humidity79%💦 very humid
Dew point10°C / 49°F
Sunshine8 h/day
Daylight12.7 h
Wind25 km/h / 15 mph
Air quality (US AQI)31🍃 good

Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.

Crowds in St Andrews 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.

BusyGolf high season, school holidays in 3 of the markets that fill it(estimated)

JFMAMJJASOND

Peak crowdsBusyShoulder seasonQuiet

Best months for St Andrews'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 weatherSt Andrews's weather peaks June–August, best around July.

JFMAMJJASOND

Best weatherFair weatherToughest weather

What's on in St Andrews in September

Recurring seasonal events, natural spectacles, closures and holidays — curated and sourced.

  • Rule

    Old Course closed on Sundays

    1 Jan – 31 DecClosures

    No golf is played on the Old Course on Sundays; it rests, and the town walks over it instead. If you only have a weekend, that is the day to do the beach and the ruins, not the tee sheet. Source ↗

  • Season

    Golf high season

    1 May – 30 SepSummer season opensCrowdedBook early

    Long northern daylight means tee times from dawn to nine at night, and the Old Course ballot fills every day of it. Rooms and green fees are at their highest; October is nearly as good and much cheaper. Source ↗

What's on around the world in September →

Nearby, and something's on

Within 300 km of St Andrews — a day trip or a short hop — with something on this month. Never part of the comfort score.

Where is St Andrews?

Loading map…

St Andrews in September — FAQ

Is September a good time to visit St Andrews?
September in St Andrews: cool, a little rain, with clean air — a great time to visit. It ranks #5 of 12 months for St Andrews on SeasonMap's comfort score (79/100).
What is the weather like in St Andrews in September?
In September, St Andrews averages a daily high of 16.9°C and a low of 8.8°C, with about 60.8 mm of rain over roughly 11.6 rainy days.
What is the air quality in St Andrews in September?
St Andrews has a mean US Air Quality Index of about 31 in September.

Within 300 km: Edinburgh's Doors Open Days around 20–30 Sep, and Glasgow's Doors Open Days Festival on 17–20 Sep.