worldweatherPuerto Rico weather in September - temperature, rain and is it a good time to visit?
Daytime
32°
Night
26°
☀️ Day length
12 h 15 min
Chance of rain
40%
Thunder days
20%
Humid days
100%
In September, Puerto Rico averages about 32° during the day and 26° at night. There's a moderate chance of rain (about 40%).
Puerto Rico weather all year - average temperatures and rain
| Month | Day | Night | Chance of rain |
|---|---|---|---|
| January ★ | 29℃ | 23℃ | 34% |
| February ★ | 29℃ | 23℃ | 36% |
| March ★ | 29℃ | 23℃ | 30% |
| April ★ | 30℃ | 24℃ | 35% |
| May | 31℃ | 24℃ | 42% |
| June | 32℃ | 26℃ | 33% |
| July | 32℃ | 26℃ | 39% |
| August | 32℃ | 26℃ | 44% |
| September | 32℃ | 26℃ | 40% |
| October | 32℃ | 26℃ | 40% |
| November | 30℃ | 24℃ | 49% |
| December ★ | 29℃ | 24℃ | 42% |
★ - months most often recommended for travel
Where is it warmest in Puerto Rico in September? Weather by city
| Place | Day | Night | 🌊 Sea | Chance of rain |
|---|---|---|---|---|
| San Juan | 32℃ | 26℃ | 30℃ | 50% |
| Mayagueez | 32℃ | 27℃ | 32℃ | 35% |
| Carolina | 32℃ | 26℃ | 30℃ | 45% |
| Caguas | 32℃ | 26℃ | - | 52% |
| Ponce | 31℃ | 24℃ | 31℃ | 16% |
Travelling soon? Check the live 14-day weather forecast for Puerto Rico.