4BU5

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Across
  1. 2. at a fairly high temperature in a way that is pleasant, rather than being hot or cold
  2. 4. an occasion when people pack a meal and take it to eat outdoors, especially in the countryside
  3. 6. the warmest season of the year, coming between spring and autumn/fall
  4. 7. a toy made of a light frame covered with paper, cloth, etc., that you fly in the air at the end of one or more long strings
  5. 8. of high quality; good
  6. 9. having a high temperature; producing heat
Down
  1. 1. the season of the year between summer and winter, when leaves change colour and the weather becomes colder
  2. 2. the coldest season of the year, between autumn/fall and spring
  3. 3. the season between winter and summer when plants begin to grow
  4. 5. having a lower than usual temperature; having a temperature lower than the human body
  5. 6. any of the four main periods of the year: spring, summer, autumn/fall and winter
  6. 8. to move through the air, using wings