Portadown Weather in September

September in Portadown brings moderate temperatures, with daytime highs of 18°C (64°F) and nights around 10°C (50°F). Quite a bit of rainfall is expected, around 75 mm (3 in), so pack an umbrella.

Rainfall in Portadown in September

Historically, September sees about 18 days of rain, with a monthly average of 75 mm (3 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.

Temperature in Portadown in September

In September, Portadown sees moderate temperatures, with highs of 18°C (64°F). Nights drop to around 10°C (50°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 10°C (50°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.

Sunshine in Portadown in September

You can expect a moderate amount of sunlight, with approximately 109 hours. This means a pleasant mix of sun and overcast.

If you prefer dry days with pleasant temperatures, July and August typically offer 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.