Brighton Weather in September

Brighton in September sees moderate daytime temperatures of 17°C (63°F) and nighttime lows of 9°C (48°F). With the highest rainfall of the year it is wise to pack an umbrella and expect frequent showers.

Rainfall in Brighton in September

As the month with the most rain, you'll want to have an umbrella with you to manage the frequent showers. Past climate data indicates that roughly 10 days will see rain, totalling around 75 mm (3 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Brighton in September

Brighton in September gets highs of 17°C (63°F) during the day and drops to 9°C (48°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With lows around 9°C (48°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep.

Sunshine in Brighton in September

The city usually sees around 185 hours of sunlight, indicating a moderately sunny period.

Wind Speed in Brighton in September

Average wind speeds reach 3 m/s (6 knots) in September, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.

Average water temperature in September

At 13°C (55°F), the water is cool but manageable for those who don't mind a bit of a shock getting in. Most people adjust after a few minutes.

September in Brighton has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.