Climate averages 1991–2020
Gonaïves weather
in September.
A hot, moderately 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 Gonaïves: daytime highs average 31.4°C and nights cool to about 24.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 85 mm of rain on roughly 17 days, which makes September a moderately wet month (the wettest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 16 min on an average September day.
The nearest other city in this atlas is Dessalines (28 km away). In September its highs average 32.6°C, 1.1°C warmer than Gonaïves, with 158 mm of rain.
Among the 18 cities listed in Haiti, Gonaïves ranks joint 5th of 18 for the warmest September highs and 3rd of 18 for the driest September (rainfall, lowest first). The mean September high of those 18 cities is 31.0°C; Gonaïves is 0.4°C warmer than that mean.
From September to October, average highs fall by 0.8°C to 30.6°C, and monthly rainfall falls from 85 mm to 66 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
Gonaïves climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.1°C21.2°C | 21.2°C | 9.1 | 1.9 | 11.111 h |
| February | 29.3°C21.3°C | 21.3°C | 7.9 | 1.7 | 11.511 h |
| March | 29.5°C21.7°C | 21.7°C | 9.6 | 2.7 | 12.012 h |
| April | 30.1°C22.7°C | 22.7°C | 20 | 5.9 | 12.613 h |
| May | 30.4°C23.7°C | 23.7°C | 53 | 13.2 | 13.013 h |
| June | 31.5°C24.7°C | 24.7°C | 45 | 13.1 | 13.313 h |
| July | 32.3°C25.0°C | 25.0°C | 39 | 11.1 | 13.213 h |
| August | 32.2°C25.2°C | 25.2°C | 58 | 14.1 | 12.813 h |
| September, selected | 31.4°C24.7°C | 24.7°C | 85 | 17.1 | 12.312 h |
| October | 30.6°C24.1°C | 24.1°C | 66 | 13.7 | 11.712 h |
| November | 29.8°C23.1°C | 23.1°C | 29 | 5.9 | 11.211 h |
| December | 29.5°C22.0°C | 22.0°C | 8.3 | 2.0 | 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
- Dessalines in SeptemberHaiti · 28 kmHigh 32.6°C · Low 24.1°C · 158 mm rain
- Saint-Marc in SeptemberHaiti · 37 kmHigh 31.2°C · Low 25.5°C · 97 mm rain
- Saint-Michel de l'Atalaye in SeptemberHaiti · 38 kmHigh 30.2°C · Low 21.6°C · 182 mm rain
- Port-de-Paix in SeptemberHaiti · 57 kmHigh 31.3°C · Low 25.8°C · 94 mm rain
- Cap-Haïtien in SeptemberHaiti · 62 kmHigh 29.3°C · Low 25.5°C · 101 mm rain
- Arcahaie in SeptemberHaiti · 78 kmHigh 31.1°C · Low 24.7°C · 43 mm rain
- Cité Soleil in SeptemberHaiti · 103 kmHigh 32.3°C · Low 25.0°C · 223 mm rain
- Léogâne in SeptemberHaiti · 104 kmHigh 30.8°C · Low 24.8°C · 121 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 Gonaïves) is explained once on the Gonaïves year overview and on the Sources, method and limits page.