1st - start of Meteorological Autumn
1st - start of 'Season of Creation' or Creationtide, runs until 4th October
1st - International Primate Day
1st - 30th, Soil Association's 'Organic September'
1st - 30th, Oxfam's 'Second-hand September'
3rd - Badger Trust's National Day of Action against the Badger Cull, London
5th - International Day of Charity
9th - 22nd Fairtrade fortnight - 30th anniversary year
12th - World Dolphin Day
16th - International Day for the Preservation of the Ozone layer
17th - Super Harvest Moon (supermoon)
20th - 29th Great British Beach Clean
22nd - Autumn Equinox - start of astronomical autumn
22nd -World Rhino Day
23rd - 29th Sea Otter awareness week
24th - World Gorilla Day
24th - Forest Stewardship Council Friday
28th - World Peace Day
29th - Michaelmas Day