The Brookston Almanac

10th Day of bright 1/2 of Asvina, 7th Hindu month (@ Sep/Oct); Dussehra
15th Day of 8th Chinese moon (@ Sep/Oct); Chinese Mid-Autumn Festival
Chusok (Moon Festival; Korea)
16th Day of 8th Chinese moon (@ Sep/Oct); Monkey’s Festival (Hong Kong)
1st Day of Ramadan, 9th Islamic month; Ramadan begins
Odd-numbered night during last 10 days of Ramadan, 9th Islamic month; Lailat al-Qadr (Night of Power)
1st Day of Tishri, 1st Jewish month (@ Sep/Oct); Rosh Hashanah
10th Day of Tishri, 1st Jewish month (@ Sep/Oct); Yom Kippur
15th Day of Tishri, 1st Jewish month (@ Sep/Oct); Sukkot begins
23rd Day of Tishri, 1st Jewish month (@ Sep/Oct); Simhat Torah
27th Day after 8th lunar month; Birthday of Confucius (Hong Kong)
Full Moon Day of 11th lunar month; Ho Khao Slak (Laos)
Full Moon nearest Autumnal Equinox; Harvest Moon
Sometime in September; Akwambo (Ghana)
Sometime in September; Kaseteilet (Dividing of the Cheese; Switzerland)
Sometime in September; Onam (India)
Sometime in September; Yam Festival (Ghana)
Sometime in September; Running of the Sheep (Reedpoint, Montana)
Sometime in September; California Prune Festival
Sometime during Yam Festival (@ Aug/Sep/Oct); Issa Aka (Nigeria)
Saturday in late September/early October; Mushroom Harvest (Russia)
September or October; Cure Salee (Niger)
End of rainy season (@ Sep/Oct); Maskal (Ethiopia)
End of rainy season (@ Sep/Oct); Kite Flying Competition (Indonesia)