Climate averages 1991–2020

San Francisco de Macorís weather
in September.

A hot, moderately wet month: the warmest and the 10th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 31.8°C Daytime mean, September
Average low 22.2°C Night-time mean, September
Rainfall 72 mm 17 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in San Francisco de Macorís · average highYear overview

September is a hot month in San Francisco de Macorís: daytime highs average 31.8°C and nights cool to about 22.2°C. By daytime temperature it is the warmest month of the year.

Expect about 72 mm of rain on roughly 17 days, which makes September a moderately wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.

The nearest other city in this atlas is La Vega (30 km away). In September its highs average 31.6°C, about as warm as San Francisco de Macorís, with 61 mm of rain.

Among the 14 cities listed in the Dominican Republic, San Francisco de Macorís ranks 2nd of 14 for the warmest September highs and 2nd of 14 for the driest September (rainfall, lowest first). The mean September high of those 14 cities is 30.4°C; San Francisco de Macorís is 1.4°C warmer than that mean.

From September to October, average highs fall by 1.1°C to 30.7°C, and monthly rainfall falls from 72 mm to 66 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. 1520253035 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 1000

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

San Francisco de Macorís climate table

1991–2020
Monthly climate averages for San Francisco de Macorís, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.2°C18.7°C18.7°C3811.711.111 h
February 27.9°C18.7°C18.7°C3510.111.512 h
March 28.9°C19.2°C19.2°C359.612.012 h
April 29.9°C20.3°C20.3°C6112.812.613 h
May 30.5°C21.3°C21.3°C8416.713.013 h
June 31.7°C22.0°C22.0°C5714.813.313 h
July 31.6°C22.3°C22.3°C7017.513.213 h
August 31.7°C22.4°C22.4°C7818.712.813 h
September, selected 31.8°C22.2°C22.2°C7216.712.312 h
October 30.7°C21.7°C21.7°C6616.311.712 h
November 28.6°C20.7°C20.7°C6415.411.211 h
December 27.6°C19.4°C19.4°C4412.211.011 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

Distance from San Francisco de Macorís

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 limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for San Francisco de Macorís) is explained once on the San Francisco de Macorís year overview and on the Sources, method and limits page.