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.
Early September in Mallorca is a lot hotter than late September when the weather begins to change and the winter rains start to make an appearance. Average temperatures in Palma during September range between 20 and 27Â°C (68 to 81Â°F).Sea temperatures are nice and warm with a monthly average of 22 degrees Celsius (72 degrees Fahrenheit).he weather in Mallorca during September is still quite warm and the water temperatures are perfect for swimming and water sports. As it is near the end of summer and peak season is coming to a close, September is the perfect time to look for cheap flights to Mallorca.