Climate averages 1991–2020
Paramaribo weather
in September.
A hot, moderately wet month: the 2nd warmest and the driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
September is a hot month in Paramaribo: daytime highs average 31.0°C and nights cool to about 24.2°C. By daytime temperature it is the 2nd warmest of the 12 months.
Expect about 66 mm of rain on roughly 13 days, which makes September a moderately wet month (the driest month of the year). Daylight, from sunrise to sunset, lasts about 12 h 09 min on an average September day.
The nearest other city in this atlas is Cayenne (330 km away). In September its highs average 31.3°C, about as warm as Paramaribo, with 23 mm of rain.
From September to October, average highs rise by 0.3°C to 31.2°C, and monthly rainfall rises from 66 mm to 71 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
Paramaribo climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 28.1°C23.5°C | 23.5°C | 110 | 19.2 | 11.812 h |
| February | 28.3°C23.6°C | 23.6°C | 84 | 15.9 | 11.912 h |
| March | 28.8°C23.8°C | 23.8°C | 79 | 16.9 | 12.112 h |
| April | 29.1°C24.1°C | 24.1°C | 148 | 20.4 | 12.212 h |
| May | 29.0°C24.0°C | 24.0°C | 258 | 27.5 | 12.412 h |
| June | 28.9°C23.6°C | 23.6°C | 285 | 28.2 | 12.512 h |
| July | 29.2°C23.5°C | 23.5°C | 214 | 26.1 | 12.412 h |
| August | 30.0°C23.8°C | 23.8°C | 128 | 19.4 | 12.312 h |
| September, selected | 31.0°C24.2°C | 24.2°C | 66 | 12.6 | 12.212 h |
| October | 31.2°C24.5°C | 24.5°C | 71 | 13.8 | 12.012 h |
| November | 30.2°C24.3°C | 24.3°C | 116 | 19.6 | 11.912 h |
| December | 28.7°C23.8°C | 23.8°C | 140 | 23.6 | 11.812 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
- Cayenne in SeptemberFrench Guiana · 330 kmHigh 31.3°C · Low 24.2°C · 23 mm rain
- Georgetown in SeptemberGuyana · 346 kmHigh 29.1°C · Low 25.5°C · 96 mm rain
- Boa Vista in SeptemberBrazil · 698 kmHigh 30.8°C · Low 23.2°C · 94 mm rain
- Macapá in SeptemberBrazil · 792 kmHigh 31.2°C · Low 24.8°C · 26 mm rain
- Santana in SeptemberBrazil · 792 kmHigh 31.5°C · Low 24.7°C · 24 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 Paramaribo) is explained once on the Paramaribo year overview and on the Sources, method and limits page.