Westbrook Weather in September

September in Westbrook averages 24°C (75°F) during the day and 14°C (57°F) at night. Quite a bit of rainfall is typical this month, with around 113 mm (4.4 in) on average. An umbrella is a good idea.

Rainfall in Westbrook in September

Looking at the last 30 years, the data shows about 10 days with rain, averaging 113 mm (4.4 in) for the month. Individual showers can be quite heavy this month. A proper umbrella or rain jacket is worth having.

Temperature in Westbrook in September

In September, expect high temperatures in Westbrook, with highs of 24°C (75°F) and lows of 14°C (57°F) at night. This kind of day-to-night contrast is typical for this time of year. At 14°C (57°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Westbrook in September

The days are predominantly sunny, with an estimated total of around 223 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

For Westbrook itself, May and July generally stand out with 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.