According to the Servicio Nacional de Meteorología, Puerto Rico will experience a typical weather pattern for this time of year, with scattered showers and thunderstorms developing in the afternoons over the interior, west, and east of the island. On Wednesday, September 23, isolated showers are expected initially, followed by scattered showers and thunderstorms after 3:00 PM. The temperature will reach a high of 92 °F, with a heat index of up to 104 °F. Winds will be from the east at 6-16 mph, with gusts of up to 22 mph, and a 40% chance of rain.
On the night of September 23, showers will be more likely, mainly between midnight and 3:00 AM, with a low of 79 °F and a 60% chance of rain. A moderate risk of rip currents will continue throughout the weekend, mainly on the north and east beaches of Puerto Rico. Thursday is expected to be the day with the most rainfall activity, with showers and thunderstorms developing from the interior to the northwest of the island.