Climate guide for Cornwall, United Kingdom

Cornwall in September

Weather, crowds & best time to visit

How to read the score (0–10)
05810
UnfavorableGoodOptimal

September · United Kingdom

Best time to visit Cornwall in SeptemberWeather, crowds & prices

September score

3.3/10

Ranked #6 of 12 months

Full year for Cornwall
Avg temp
16°C
Rainfall
109 mm
Humidity
84%
Sunny days
7
Crowd Density
Moderate Crowds
Average Expenses
$$ · Moderate Cost ($$)

September in Cornwall scores 3.3/10 for beach and coastal travel - an above-average month (#6 of 12). Expect around 16°C, 109 mm of rain, and roughly 7 sunny days this month.

Cornwall is a beach destination in United Kingdom. Its setting includes Rugged southwestern English peninsula of surf beaches, Eden Project, and St Ives.

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 Cornwall in September?
In September, Cornwall averages 16°C, 109 mm of rain, and about 7 sunny days. Its climate-comfort score is 3.3/10.
Is September a good time to visit Cornwall?
September earns a 3.3/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
How much does it rain in Cornwall in September?
Expect about 109 mm of rain in September. Average humidity is 84% and there are about 7 sunny days.

Curated in Cornwall

Tickets & experiences

Things to do in Cornwall

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