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St Ives Weather in September
With daytime temperatures of 18°C (64°F) and nighttime lows of 14°C (57°F), September in St Ives brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 69 mm (2.7 in) falls on average.
Rainfall in St Ives in September
Historically, September sees about 16 days of rain, with a monthly average of 69 mm (2.7 in). Rain is frequent but mostly light this month, with brief showers more common than heavy downpours.
Temperature in St Ives in September
September in St Ives sees highs of 18°C (64°F) and lows of 14°C (57°F) overnight. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 14°C (57°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in St Ives in September
The city usually sees around 165 hours of sunlight, indicating a moderately sunny period.If you're a fan of comfortable temperatures and drier conditions, September is a great time to visit.
St Ives Temperature in September
Min Temperature
14°C (57°F)
Max Temperature
18°C (64°F)
Chance of Rain
53%
Precipitation
69 mm (2.7 in)
Rainy days
16 days
Sunshine
165 hours *
Percentage Sunshine
*
* Data from: Newquay, the United Kingdom (36 KM, 22 Miles).
St Ives Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in St Ives - and find the best time to visit.
Best Places in the United Kingdom in September
Find out more about the weather in the United Kingdom and which places have the best travel conditions in this month. See all of the United Kingdom in September →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in St Ives in September
For St Ives in September, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in St Ives in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming6/10 -
Cycling10/10 -
Walking10/10 -
Barbeque7/10 -
Camping8/10 -
Outdoor sports10/10
St Ives 3-Day Forecast
More climate data for St Ives
See the full St Ives climate overview or explore weather in the United Kingdom.
Popular in September
Where to go in September - average daytime high across popular destinations.
London
20°C (68°F) Bath19°C (66°F) Torquay19°C (66°F) Manchester
18°C (64°F) York19°C (66°F) Edinburgh17°C (63°F) Blackpool17°C (63°F) Glasgow17°C (63°F) Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Hike the South West Coast Path
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