St. Lucia's reputation for beautiful scenery and a mild climate is well deserved. In the month of September, the temperature is fairly static throughout most days.

The afternoon high temperature will typically reach degrees falling to degrees overnight.

As shown above, during the earliest part of the month the daily low averages degrees and the high averages degrees. During the middle of the month the daily low is typically around degrees while the daily high average around degrees. Over the last third of September the low averages degrees while the average high temperature is degrees. To find out more about September temperatures in St. Lucia, review the table above.