Weather in Tortola in September 2025
- September is usually the hottest month of the year in Tortola;
Average weather
Average temperature in Tortola in September
The expected average maximum temperature in September is +29°C with a maximum of +30°C and a minimum of +27°C.
The average maximum temperature goes up 33% by the end of the month, compared with the beginning of the month, from +29°C to +30°C.
Is Tortola warm or cold in September?
Tortola is typically warm in September.
Maximum temperatures go up compared to the previous month from +29°C to +29°C. The minimum temperature also goes up from +26°C to +26°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is the hottest month in Tortola, here is the comparison with other months:
Climate in Tortola in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +29°C | +29°C | +28°C | ||||
| Min. temperature | ||||||
| +21°C | +23°C | +23°C | ||||
| Max. temperature | ||||||
| +34°C | +34°C | +34°C | ||||
| Rainfall | ||||||
| 91 mm | 123 mm | 127 mm | ||||
| Wind | ||||||
| 5 m/s | 5 m/s | 4 m/s | ||||
| Humidity | ||||||
| 81% | 81% | 81% | ||||
| Air pressure | ||||||
| 1014 HPa | 1013 HPa | 1012 HPa | ||||
| Sunny days | ||||||
| 1 | 2 | 2 | ||||
| Cloudy days | ||||||
| 3 | 3 | 3 | ||||
| Rainy days | ||||||
| 26 | 25 | 26 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. The temperature levels stay the same in the area of +29°C for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 91 mm to 123 mm. Humidity levels don’t change as the month goes on, averaging around 81%. The average wind speed doesn’t change much during September, staying around 5 m/s. The good news is there are likely to be more sunny days in September, from 1 to 2.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 7 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tortola is gradually increasing during September, going from 4 m/s to 7 m/s over the course of the month.
Rain
How was the weather last September in Tortola?
Climate Change over Years
The climate in Tortola in September has not changed much over the last 43 years.
The average temperature was the lowest in 1985 (+26°C) and the highest in 2014 (+30°C). The driest year was 2015 with only 468 mm of rainfall, and the wettest year was 2024 with 1202 mm.
FAQ
Is September a good time to visit Tortola?
Can you sunbathe in Tortola in September?
Is Tortola rainy in September?
Is it sunny in Tortola in September?
Monthly weather in Tortola
Source of the data
For this page, we’ve looked at the typical weather in Tortola, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.
