Dover Weather in September

Dover in September sees high temperatures, with highs around 30°C (86°F) and overnight lows of 27°C (81°F). Rainfall is fairly high at around 149 mm (5.9 in) on average, so pack waterproofs just in case.

Rainfall in Dover in September

Typically around 16 days of rainfall are expected, averaging 149 mm (5.9 in) for the month. Rain falls regularly this month and can be quite heavy when it does. Showers can be substantial, so waterproof gear is a good idea.

Temperature in Dover in September

September in Dover sees highs of 30°C (86°F) and lows of 27°C (81°F) overnight. This kind of day-to-night contrast is typical for this time of year. Nights remain warm at around 27°C (81°F). For a more comfortable sleep, a cold shower before bed and a fan or air conditioning can make a big difference.

Sunshine in Dover in September

The city usually sees around 233 hours of sunlight, indicating many sunny days , a great month for sightseeing.

Wind Speed in Dover 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

The water reaches 29°C (84°F) this month. It's on the warm side, which suits people who prefer that, but don't expect a cooling dip if the air temperature is also high.

If you prefer dry days with pleasant temperatures, September may not be the ideal month to visit Dover. Our weather planner can help you explore destinations with more pleasant weather conditions.