Seaford Weather in September

September in Seaford sees daytime temperatures around 19°C (66°F) and lows of 14°C (57°F) at night. With around 74 mm (2.9 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Seaford in September

Based on our climate data of the past 30 years, about 12 days of rain are anticipated, with 74 mm (2.9 in) on average. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.

Temperature in Seaford in September

In September, Seaford gets pleasant temperatures, with highs of 19°C (66°F). Nights cool to around 14°C (57°F). September marks the summer season. The difference between afternoon and evening temperatures is usually noticeable. Nights cool down to 14°C (57°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.

Average water temperature in September

The water is 18°C (64°F) this month, cool enough to feel refreshing on a warm day, but cold enough that most people won't stay in for long without a wetsuit.

If you prefer dry days with pleasant temperatures, August typically offers 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.