September registers the least average monthly humidity of 79% in Seychelles. The conditions are comfortable in the dry season, with ample sunshine and less rain. The precipitation is in the range of 101.6mm (4") to 152.4mm (6") in the Inner Islands and 76.2mm (3") to 127mm (5") in the Outer Islands. The average temperatures remain in the warm 23.9°C (75°F) to 28.9°C (84°F) range, with daily highs rarely above 30°C (86°F). Nights seldom drop below 21.1°C (70°F) but are mild and comfortable. The skies remain clear for 48% of the time, and the days register 7 hours of brilliant sunshine. September 30, the longest day in the month, records 12 hours and 8 minutes of daylight. The average daily wind speeds decrease from 26.9km/h (16.7mph) to 21.9km/h (13.6mph) during the month. Expect winds predominantly from the south during the evenings. A light raincoat and scarf are useful in the evenings. Expect the rainfall to gradually increase by the end of September in Seychelles.