Climate averages 1991–2020
San Pedro de Macorís weather
in September.
A hot, wet month: the 4th warmest and the wettest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in San Pedro de Macorís: daytime highs average 30.1°C and nights cool to about 25.4°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 122 mm of rain on roughly 18 days, which makes September a wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average September day.
The nearest other city in this atlas is La Romana (36 km away). In September its highs average 31.2°C, 1.2°C warmer than San Pedro de Macorís, with 96 mm of rain.
Among the 14 cities listed in the Dominican Republic, San Pedro de Macorís ranks 8th of 14 for the warmest September highs and 12th of 14 for the driest September (rainfall, lowest first). The mean September high of those 14 cities is 30.4°C; San Pedro de Macorís is 0.3°C cooler than that mean.
From September to October, average highs fall by 0.7°C to 29.3°C, and monthly rainfall falls from 122 mm to 101 mm.
The annual picture
September in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
San Pedro de Macorís climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.9°C22.7°C | 22.7°C | 17 | 4.1 | 11.211 h |
| February | 28.2°C22.6°C | 22.6°C | 14 | 3.4 | 11.512 h |
| March | 28.4°C22.7°C | 22.7°C | 20 | 4.7 | 12.012 h |
| April | 29.0°C23.5°C | 23.5°C | 36 | 7.6 | 12.613 h |
| May | 29.4°C24.3°C | 24.3°C | 85 | 13.9 | 13.013 h |
| June | 30.2°C25.2°C | 25.2°C | 65 | 12.6 | 13.213 h |
| July | 30.8°C25.5°C | 25.5°C | 67 | 12.2 | 13.113 h |
| August | 30.7°C25.5°C | 25.5°C | 92 | 14.5 | 12.813 h |
| September, selected | 30.1°C25.4°C | 25.4°C | 122 | 17.5 | 12.312 h |
| October | 29.3°C24.9°C | 24.9°C | 101 | 17.5 | 11.712 h |
| November | 28.6°C24.1°C | 24.1°C | 67 | 12.2 | 11.311 h |
| December | 28.2°C23.4°C | 23.4°C | 23 | 5.1 | 11.011 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
September in nearby cities
- La Romana in SeptemberDominican Republic · 36 kmHigh 31.2°C · Low 24.8°C · 96 mm rain
- Santo Domingo Este in SeptemberDominican Republic · 57 kmHigh 29.4°C · Low 23.9°C · 148 mm rain
- Santo Domingo in SeptemberDominican Republic · 62 kmHigh 29.9°C · Low 23.4°C · 120 mm rain
- Salvaleón de Higüey in SeptemberDominican Republic · 66 kmHigh 30.2°C · Low 24.2°C · 107 mm rain
- Santo Domingo Oeste in SeptemberDominican Republic · 73 kmHigh 29.9°C · Low 22.9°C · 120 mm rain
- San Cristóbal in SeptemberDominican Republic · 84 kmHigh 29.9°C · Low 23.3°C · 120 mm rain
- Punta Cana in SeptemberDominican Republic · 96 kmHigh 28.9°C · Low 26.0°C · 121 mm rain
- Bonao in SeptemberDominican Republic · 128 kmHigh 30.4°C · Low 22.2°C · 149 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Pedro de Macorís) is explained once on the San Pedro de Macorís year overview and on the Sources, method and limits page.