Port Seton Weather in September

September in Port Seton sees daytime temperatures around 16°C (61°F) and lows of 10°C (50°F) at night. With around 76 mm (3 in) of rainfall expected, it's worth packing a rain jacket.

Rainfall in Port Seton in September

Climate statistics over the past 30 years suggest around 16 days of rain, with 76 mm (3 in) average for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.

Temperature in Port Seton in September

In September, Port Seton sees moderate temperatures, with highs of 16°C (61°F). Nights drop to around 10°C (50°F). During September, you'll experience the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. Nights cool down to 10°C (50°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.

Sunshine in Port Seton in September

With about 128 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.

Wind Speed in Port Seton in September

September sees wind speeds averaging 4 m/s (8 knots). You'll experience variable conditions with moderate winds that create small waves on water and keep branches moving. Conditions range from light winds to moderate breezes throughout the month.

Average water temperature in September

At 12°C (54°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.

Should you favor a climate that's both dry and comfortably warm, July and August typically offer the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.