St. Lucia deserves its reputation for having a mild climate and beautiful scenery.
the temperature is fairly static throughout most days.
Temperatures will peak at about degrees dropping to degrees overnight.
As shown above,during the early part of the month the low temperature averages degrees while the average daily high is degrees. If you vacation 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 lowest temperature reading averages degrees and the high temperature averages degrees. To learn more about temperature fluctuations during September in St. Lucia, browse the above table.
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