Climate averages 1991–2020
Santa Cruz de Barahona weather
in September.
A hot, moderately wet month: the joint 2nd warmest and the joint 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Santa Cruz de Barahona: daytime highs average 30.3°C and nights cool to about 24.1°C. By daytime temperature it is the joint 2nd warmest of the 12 months.
Expect about 85 mm of rain on roughly 12 days, which makes September a moderately wet month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 15 min on an average September day.
The nearest other city in this atlas is San Juan de la Maguana (68 km away). In September its highs average 29.5°C, 0.7°C cooler than Santa Cruz de Barahona, with 111 mm of rain.
Among the 14 cities listed in the Dominican Republic, Santa Cruz de Barahona ranks 6th of 14 for the warmest September highs and 4th of 14 for the driest September (rainfall, lowest first). The mean September high of those 14 cities is 30.4°C; Santa Cruz de Barahona is 0.1°C cooler than that mean.
From September to October, average highs fall by 0.7°C to 29.6°C, and monthly rainfall rises from 85 mm to 100 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
Santa Cruz de Barahona climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 27.8°C21.4°C | 21.4°C | 11 | 2.2 | 11.211 h |
| February | 28.0°C21.3°C | 21.3°C | 11 | 2.6 | 11.512 h |
| March | 28.3°C21.6°C | 21.6°C | 19 | 4.7 | 12.012 h |
| April | 29.0°C22.5°C | 22.5°C | 30 | 5.5 | 12.513 h |
| May | 29.2°C23.1°C | 23.1°C | 75 | 10.9 | 13.013 h |
| June | 29.7°C23.6°C | 23.6°C | 60 | 10.4 | 13.213 h |
| July | 30.3°C24.0°C | 24.0°C | 48 | 7.2 | 13.113 h |
| August | 30.5°C24.2°C | 24.2°C | 85 | 8.9 | 12.713 h |
| September, selected | 30.3°C24.1°C | 24.1°C | 85 | 11.6 | 12.312 h |
| October | 29.6°C23.7°C | 23.7°C | 100 | 12.2 | 11.712 h |
| November | 28.8°C23.1°C | 23.1°C | 46 | 6.8 | 11.311 h |
| December | 28.1°C22.0°C | 22.0°C | 19 | 2.8 | 11.111 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
- San Juan de la Maguana in SeptemberDominican Republic · 68 kmHigh 29.5°C · Low 21.2°C · 111 mm rain
- San Cristóbal in SeptemberDominican Republic · 107 kmHigh 29.9°C · Low 23.3°C · 120 mm rain
- Bonao in SeptemberDominican Republic · 109 kmHigh 30.4°C · Low 22.2°C · 149 mm rain
- Santo Domingo Oeste in SeptemberDominican Republic · 121 kmHigh 29.9°C · Low 22.9°C · 120 mm rain
- Croix-des-Bouquets in SeptemberHaiti · 126 kmHigh 32.1°C · Low 25.0°C · 223 mm rain
- La Vega in SeptemberDominican Republic · 127 kmHigh 31.6°C · Low 22.2°C · 61 mm rain
- Pétionville in SeptemberHaiti · 130 kmHigh 29.7°C · Low 22.7°C · 223 mm rain
- Santo Domingo in SeptemberDominican Republic · 131 kmHigh 29.9°C · Low 23.4°C · 120 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 Santa Cruz de Barahona) is explained once on the Santa Cruz de Barahona year overview and on the Sources, method and limits page.