Climate averages 1991–2020
Kingstown weather
in September.
A hot, wet month: the 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 Kingstown: daytime highs average 28.7°C and nights cool to about 26.6°C. By daytime temperature it is the warmest month of the year.
Expect about 141 mm of rain on roughly 19 days, which makes September a wet month (the joint 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average September day.
The nearest other city in this atlas is Castries (96 km away). In September its highs average 29.1°C, about as warm as Kingstown, with 104 mm of rain.
From September to October, average highs fall by 0.3°C to 28.5°C, and monthly rainfall rises from 141 mm to 153 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
Kingstown climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 26.8°C25.0°C | 25.0°C | 36 | 10.9 | 11.411 h |
| February | 26.9°C24.8°C | 24.8°C | 21 | 7.7 | 11.712 h |
| March | 27.2°C25.0°C | 25.0°C | 23 | 7.0 | 12.112 h |
| April | 27.9°C25.6°C | 25.6°C | 33 | 7.7 | 12.412 h |
| May | 28.4°C26.2°C | 26.2°C | 49 | 10.1 | 12.713 h |
| June | 28.4°C26.3°C | 26.3°C | 93 | 15.9 | 12.913 h |
| July | 28.3°C26.1°C | 26.1°C | 120 | 20.4 | 12.813 h |
| August | 28.5°C26.4°C | 26.4°C | 141 | 21.8 | 12.613 h |
| September, selected | 28.7°C26.6°C | 26.6°C | 141 | 19.2 | 12.212 h |
| October | 28.5°C26.4°C | 26.4°C | 153 | 21.8 | 11.812 h |
| November | 27.9°C26.0°C | 26.0°C | 138 | 19.8 | 11.512 h |
| December | 27.3°C25.6°C | 25.6°C | 55 | 13.0 | 11.411 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
- Castries in SeptemberSaint Lucia · 96 kmHigh 29.1°C · Low 25.2°C · 104 mm rain
- Saint George's in SeptemberGrenada · 135 kmHigh 28.4°C · Low 26.4°C · 143 mm rain
- Fort-de-France in SeptemberMartinique · 162 kmHigh 29.0°C · Low 26.2°C · 138 mm rain
- Bridgetown in SeptemberBarbados · 174 kmHigh 28.5°C · Low 26.2°C · 133 mm rain
- Roseau in SeptemberDominica · 239 kmHigh 28.3°C · Low 26.2°C · 113 mm rain
- Port of Spain in SeptemberTrinidad and Tobago · 279 kmHigh 29.2°C · Low 26.0°C · 101 mm rain
- Basse-Terre in SeptemberGuadeloupe · 321 kmHigh 30.0°C · Low 26.7°C · 107 mm rain
- Carúpano in SeptemberVenezuela · 354 kmHigh 31.6°C · Low 24.7°C · 52 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 Kingstown) is explained once on the Kingstown year overview and on the Sources, method and limits page.