St Clears Weather in September

September in St Clears brings pleasant temperatures, with daytime highs of 18°C (64°F) and nights around 12°C (54°F). Quite a bit of rainfall is expected, around 98 mm (3.9 in), so pack an umbrella.

Rainfall in St Clears in September

Looking at the last 30 years, the data shows about 15 days with rain, averaging 98 mm (3.9 in) for the month. The rainfall pattern this month is fairly balanced. Showers tend to be moderate rather than extreme.

Temperature in St Clears in September

St Clears in September gets highs of 18°C (64°F) during the day and drops to 12°C (54°F) at night. September is in the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With lows of 12°C (54°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.

For St Clears itself, July 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.