Climate averages 1991–2020
Arcahaie weather
in September.
A hot, moderately wet month: the 4th warmest and the 10th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Arcahaie: daytime highs average 31.1°C and nights cool to about 24.7°C. By daytime temperature it is the 4th warmest of the 12 months.
Expect about 43 mm of rain on roughly 8 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 Cité Soleil (28 km away). In September its highs average 32.3°C, 1.2°C warmer than Arcahaie, with 223 mm of rain.
Among the 18 cities listed in Haiti, Arcahaie ranks 11th of 18 for the warmest September highs and 1st of 18 for the driest September (rainfall, lowest first). The mean September high of those 18 cities is 31.0°C; Arcahaie is level with that mean.
From September to October, average highs fall by 0.9°C to 30.2°C, and monthly rainfall rises from 43 mm to 48 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
Arcahaie climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C21.2°C | 21.2°C | 7.4 | 1.8 | 11.111 h |
| February | 29.5°C21.5°C | 21.5°C | 7.8 | 2.0 | 11.512 h |
| March | 29.7°C22.1°C | 22.1°C | 15 | 4.4 | 12.012 h |
| April | 30.0°C23.1°C | 23.1°C | 27 | 7.1 | 12.613 h |
| May | 30.3°C24.0°C | 24.0°C | 56 | 12.2 | 13.013 h |
| June | 31.3°C24.7°C | 24.7°C | 37 | 7.5 | 13.213 h |
| July | 32.1°C24.9°C | 24.9°C | 21 | 4.7 | 13.113 h |
| August | 31.9°C25.1°C | 25.1°C | 36 | 5.7 | 12.813 h |
| September, selected | 31.1°C24.7°C | 24.7°C | 43 | 8.3 | 12.312 h |
| October | 30.2°C24.2°C | 24.2°C | 48 | 9.1 | 11.712 h |
| November | 29.5°C23.0°C | 23.0°C | 25 | 4.7 | 11.311 h |
| December | 29.2°C21.8°C | 21.8°C | 8.3 | 1.7 | 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
- Cité Soleil in SeptemberHaiti · 28 kmHigh 32.3°C · Low 25.0°C · 223 mm rain
- Carrefour in SeptemberHaiti · 29 kmHigh 30.9°C · Low 24.7°C · 180 mm rain
- Port-au-Prince in SeptemberHaiti · 31 kmHigh 32.1°C · Low 24.5°C · 223 mm rain
- Léogâne in SeptemberHaiti · 32 kmHigh 30.8°C · Low 24.8°C · 121 mm rain
- Croix-des-Bouquets in SeptemberHaiti · 37 kmHigh 32.1°C · Low 25.0°C · 223 mm rain
- Pétionville in SeptemberHaiti · 37 kmHigh 29.7°C · Low 22.7°C · 223 mm rain
- Saint-Marc in SeptemberHaiti · 43 kmHigh 31.2°C · Low 25.5°C · 97 mm rain
- Tigwav in SeptemberHaiti · 53 kmHigh 31.4°C · Low 26.3°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 Arcahaie) is explained once on the Arcahaie year overview and on the Sources, method and limits page.