Letterston Weather in September

September in Letterston averages 18°C (64°F) during the day and 13°C (55°F) at night. Quite a bit of rainfall is typical this month, with around 88 mm (3.5 in) on average. An umbrella is a good idea.

Rainfall in Letterston in September

This month experiences about 15 days of rain according to historical data, averaging 88 mm (3.5 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Letterston in September

In September, Letterston sees moderate temperatures, with highs of 18°C (64°F). Nights drop to around 13°C (55°F). September is in the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. 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 your ideal day consists of dry skies and pleasant temperatures, July, August and September typically offer the best circumstances for Letterston.