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.
September is slightly cooler than previous months but is still fairly warm. The average temperature still reaches a high of 22C (that's about 72F) during the day and dips to a fairly mild 13C (about 55F) in the evenings. You can still expect rain on an average of 9 days of the month.