The first use for an aerosol package arose during World War II, but the idea of using low-pressure liquefied gas to atomize droplets of liquid in the air was developed in 1924. Canisters filled with insecticide and propellants were used to protect U.S. servicemen from insects carrying diseases such as malaria.
Best Time for Good Weather and Swimming: The warmest weather in Santorini (and all the Greek islands) is between June and September when itâs sunny, hot, and the water is perfect for swimming. Water temperature heats throughout the summer months and is warmest in August and early September.
Weather in Bali in September. The weather in September in Bali is characterised by sunny picturesque days, great for sunbathing or doing a spot of holiday shopping and on average, sees highs of between 30ÂºC to 32ÂºC.With nine hours of sunshine per day, it is many peopleâs preferred time to visit Bali.he weather in September in Bali is characterised by sunny picturesque days, great for sunbathing or doing a spot of holiday shopping and on average, sees highs of between 30ÂºC to 32ÂºC. With nine hours of sunshine per day, it is many peopleâs preferred time to visit Bali.