Puerto Rico · 1991–2020 normal

Olimpo in
September.

Typical September weather in Olimpo: 32.2°C by day, 24.9°C at night, 179 mm of rain over 12.4 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high32.2°C
Typical low24.9°C
Rain179 mm
Wet days12.4

In the year-round weather comparison, September scores 27 out of 100 (February leads the year at 62). Daylight is calculated as 12 h 13 from latitude 18.00°. Open-water sea temperature is 29.1°C (14 km from the place centre).

September at a glance

What is Olimpo like in September?

Plain answers from the measured climate record—not a forecast or a promise about a particular trip.

Is Olimpo hot in September?

Days are typically hot at 32.2°C, while nights average 24.9°C.

Does it rain much?

The measured monthly average is 179 mm across about 12 wet days.

How much daylight is there?

There are about 12 h 13 between sunrise and sunset at mid-month, calculated from the place latitude.

Is September a good time to visit?

September ranks 10 of 12 in our weather comparison; February ranks first.

Event window

Warm sea in September

The nearest open-water NOAA OISST 1991–2020 cell averages 29.1°C in September. A sheltered bay can run warmer than that open-water cell.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 4566447
NOAA station
RQC00664193 · GUAYAMA 1SW
Station distance
3.1 km from the place centre
Coverage
Strong coverage · 29 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.

Next step

Choose your month.
Then plan the details.

The weather comparison for Olimpo is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.

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