Climate guide for Glasgow, United Kingdom

Glasgow in September

Weather, crowds & best time to visit

How to read the score (0–10)
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September · United Kingdom

Best time to visit Glasgow in September Weather, crowds & prices

Weather in Glasgow in September

Average temperature 13°C, 106 mm of rain, about 20 days with 6+ hours of sunshine and 83% humidity — based on the five most recent complete years of ERA5 data (2021–2025).

September score

7.2/10

Ranked #5 of 12 months

Full year for Glasgow
Avg temp
13°C
Rainfall
106 mm
Humidity
83%
Days with 6h+ sun
20
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Glasgow scores 7.2/10 for sightseeing and cultural travel - an above-average month (#5 of 12). Expect around 13°C, 106 mm of rain, and roughly 20 days with 6+ hours of sunshine this month.

Glasgow's Victorian grid holds Kelvingrove's collections, Merchant City murals, and a live-music scene that runs past midnight.

September holds up well in Glasgow — 5th best month

September averages 13°C (55°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.

Monthly rainfall reaches 106 mm — wet for this destination — but about 20 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.

It scores 7.2/10 here, 5th of 12 months, against 8.3/10 in the destination's best month.

Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella.

Plan for mid-season pricing, with crowds are moderate.

View all 12 months

Ranked by pure climate comfort

Score scale: 0.0 → 10.0Quiet / UncrowdedModerate CrowdsPeak Tourist Rush

Frequently asked

What is the weather like in Glasgow in September?
In September, Glasgow averages 13°C, 106 mm of rain, and about 20 days with 6+ hours of sunshine. Its climate-comfort score is 7.2/10.
Is September a good time to visit Glasgow?
September earns a 7.2/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Glasgow in September?
Expect about 106 mm of rain in September. Average humidity is 83% and there are about 20 days with 6+ hours of sunshine.

Curated in Glasgow

Tickets & experiences

Things to do in Glasgow

Glasgow, United Kingdom. Live activities and tours from GetYourGuide, matched to this destination.