Product Description. 1  Flex Seal as seen on TV is a rubberized leak sealer that seeps into cracks and holes to seal out air and moisture. When dry, Flex Seal, as seen on TV, is a long-lasting, watertight, paintable, flexible rubber coating that won't sag, drip, crack or peel. It seals out water and lasts for years.
The average high in Antigua is 31ÂºC in September so itâs perfect if you love the heat. Temperatures only drop to 25ÂºC at night so you wonât need to bring many warm clothes. The sea temperatureâs 29ÂºC, so itâs lovely for swimming, while humidityâs very high.
Weather in Jamaica in September. The average maximum daytime temperature in Jamaica in September is a hot 31Â°C (88Â°F) with high heat & humidity. There are usually 7 hours of bright sunshine each day, which represents 54% of the 12 hours of daylight. The average sea temperature in and around Jamaica in September is 29Â°C (84Â°F). Expect 229mm (9.0 inches) of rainfall across the whole of September with 14 days with some rain falling. Maximum UV levels will be extreme (11+ UV index) at midday when the skies are clear.