Helston Weather in September

Helston in September sees pleasant daytime temperatures of 18°C (64°F) and nighttime lows of 14°C (57°F). Rainfall is fairly high this month at around 65 mm (2.6 in), so pack a rain jacket to stay dry.

Rainfall in Helston in September

You can expect rain on around 15 days based on historical patterns, with 65 mm (2.6 in) average for the month. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.

Temperature in Helston in September

Helston in September gets highs of 18°C (64°F) during the day and drops to 14°C (57°F) at night. Temperatures can feel cooler in the morning and evening, so layering is often the best approach. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Helston in September

The city usually sees around 165 hours of sunlight, indicating a moderately sunny period.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. July and August typically offer the best weather for Helston.