St Clements
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St Clements Weather in September

St Clements in September sees pleasant daytime temperatures of 19°C (66°F) and nighttime lows of 16°C (61°F). Rainfall is fairly high this month at around 85 mm (3.3 in), so pack a rain jacket to stay dry.

Rainfall in St Clements in September

Looking at the last 30 years, the data shows about 13 days with rain, averaging 85 mm (3.3 in) for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.

Temperature in St Clements in September

Daytime highs in St Clements in September reach 19°C (66°F), with nights around 16°C (61°F). September is in the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to around 16°C (61°F), which is noticeably cooler than the daytime. A light jacket for the evening is a sensible addition, and the cool nights tend to make sleeping comfortable.

Sunshine in St Clements in September

The month experiences a moderate amount of sunlight, with 182 hours of sunshine. This provides a nice balance between sunshine and clouds.

For St Clements itself, August generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

St Clements Temperature in September

Min Temperature
16°C (61°F)
Max Temperature
19°C (66°F)
Chance of Rain
44%
Precipitation
85 mm (3.3 in)
Rainy days
13 days
Sunshine
182 hours *
Percentage Sunshine
47% *
* Data from: Guernsey, the United Kingdom (50 KM, 31 Miles).

St Clements Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in St Clements - 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 Clements in September

For St Clements 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.

What To Do in St Clements in September

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    6/10
  • Cycling
    9/10
  • Walking
    9/10
  • Camping
    8/10
  • Outdoor sports
    9/10

St Clements 3-Day Forecast

More climate data for St Clements

Popular in September

Where to go in September - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.