Weather in Roatan in September 2025
- September is usually the hottest month of the year in Roatan;
Average weather
Average temperature in Roatan in September
The expected average maximum temperature in September is +84°F with a maximum of +84°F and a minimum of +77°F.
The average maximum temperature goes up 0% by the end of the month, compared with the beginning of the month, from +84°F to +84°F.
Is Roatan warm or cold in September?
Roatan is typically warm in September.
Maximum temperatures go up compared to the previous month from +82°F to +82°F. The minimum temperature also goes up from +79°F to +79°F.
It’s generally warm, but pack a long-sleeve shirt for evenings.
September is the hottest month in Roatan, here is the comparison with other months:
Climate in Roatan in September
| August | September | October | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +82°F | +82°F | +81°F | ||||
| Min. temperature | ||||||
| +75°F | +75°F | +73°F | ||||
| Max. temperature | ||||||
| +86°F | +86°F | +88°F | ||||
| Rainfall | ||||||
| 86 mm | 127 mm | 291 mm | ||||
| Wind | ||||||
| 5 m/s | 4 m/s | 4 m/s | ||||
| Humidity | ||||||
| 83% | 82% | 83% | ||||
| Air pressure | ||||||
| 1011 HPa | 1010 HPa | 1010 HPa | ||||
| Sunny days | ||||||
| 2 | 1 | 1 | ||||
| Cloudy days | ||||||
| 5 | 4 | 2 | ||||
| Rainy days | ||||||
| 23 | 24 | 27 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
September weather is still as ok as in August. The temperature levels stay the same in the area of +82°F for average maximum temperature during the day. Prepare for more rain. Average rainfall goes from 86 mm to 127 mm. It feels drier, as humidity decreases from 83% to 82%. Winds are calmer in comparison to August, going down from 5 m/s to 4 m/s on average. The days becoming less sunny, going from 2 sunny days in August to 1 in September.
October brings much the same weather, it remains ok.
Wind
The average wind speed is 4 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 Roatan is gradually decreasing during September, going from 6 m/s to 3 m/s over the course of the month.
Rain
How was the weather last September in Roatan?
Climate Change Over the Years
The climate in Roatan in September has not changed that much over the last 43 years.
The average temperature was the lowest in 1986 (+79°F) and the highest in 2021 (+82°F). The driest year was 1994 with only 730 mm of rainfall, and the wettest year was 1980 with 2296 mm.
FAQ
Is September a good time to visit Roatan?
Can you sunbathe in Roatan in September?
Is Roatan rainy in September?
Is it sunny in Roatan in September?
Monthly weather in Roatan
Source of the data
For this page, we’ve looked at the typical weather in Roatan, 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.