The Valley Weather in September

September in The Valley brings high temperatures around 30°C (86°F) during the day, dropping to 27°C (81°F) at night, with quite a bit of rainfall expected, averaging around 134 mm (5.3 in) for the month.

Rainfall in The Valley in September

Historically, September sees about 19 days of rain, with a monthly average of 134 mm (5.3 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in The Valley in September

Expect highs of 30°C (86°F) in The Valley in September, with nights dropping to around 27°C (81°F). This kind of day-to-night contrast is typical for this time of year. With lows of 27°C (81°F), it stays warm throughout the night. A cold shower before going to sleep is one of the easiest ways to cool down before bed.

Sunshine in The Valley in September

The month enjoys around 232 hours of sunshine, creating mostly sunny days with good weather conditions.

Wind Speed in The Valley in September

September has wind speeds averaging 5 m/s (10 knots). You can expect gentle to moderate winds that move small trees and make flags wave steadily on typical days. Conditions typically range from light breezes to moderate winds.

Average water temperature in September

The water is 29°C (84°F), very warm by most standards. Comfortable to swim in, but not particularly refreshing if you're looking to cool off.

September in The Valley 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.