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Saint Johns Weather in September
During September, Saint Johns experiences moderate daytime temperatures of 16°C (61°F) and cooler nights around 13°C (55°F). Expect quite a bit of rainfall. Around 94 mm (3.7 in) is typical.
Rainfall in Saint Johns in September
Historically, approximately 16 days this month are expected to have rain, averaging 94 mm (3.7 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Saint Johns in September
Expect highs of 16°C (61°F) in Saint Johns in September, with nights dropping to around 13°C (55°F). The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 13°C (55°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.If you favor pleasant temperatures and minimal rainfall, September is one of the best months to visit Saint Johns.
Saint Johns Temperature in September
Min Temperature
13°C (55°F)
Max Temperature
16°C (61°F)
Chance of Rain
54%
Precipitation
94 mm (3.7 in)
Rainy days
16 days
Saint Johns Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint Johns - 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 Saint Johns in September
Comfortable temperatures call for an easy wardrobe in September. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Expect heavy rainfall, so bring good rain protection and waterproof bags.
What To Do in Saint Johns in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Cycling6/10 -
Walking6/10 -
Camping8/10 -
Outdoor sports9/10
Saint Johns 3-Day Forecast
More climate data for Saint Johns
See the full Saint Johns 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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