Barbados weather in September
Barbados in September averages 28°C (83°F), 158 mm of rain and 7.6 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Barbados, September is the warmest and the third wettest.

- Average temp
- 28°C (83°F)
25–31°C · 77–88°F
- Rainfall
- 158 mm
A wet month
- Sunshine
- 7.6 h
hours per day
What is Barbados like in September?
Daytime
Days are warm, typically in the mid-20s°C or above.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings stay warm.
What should I pack for Barbados in September?
High-factor sun cream
With daytime highs around 31°C, burn time is short even in shade.
Sunglasses and a brimmed hat
Midday glare is the part people underpack for, not the heat itself.
Loose cotton or linen
Synthetics stop working once you are sweating through them all day.
A refillable water bottle
Daily highs this warm need roughly double the water a temperate day does.
A proper waterproof, not a folding umbrella
158 mm in the month usually arrives as heavy bursts that an umbrella will not cover.
A dry bag for phone and documents
Worth it for one downpour caught between the taxi and the door.
September compared with August and October
September in Barbados is about the same temperature as August and about as wet as it, which averages 28°C (82°F).
September in Barbados is about the same temperature as October and 23 mm drier than it, which averages 28°C (82°F).
Daylight in Barbados in September
On 15 September the sun is up for 12 hours 12 minutes in Barbados, rising about 05:47 and setting about 17:58 local time.
September ends 21 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 42 minutes short of June, the longest-lit month here.
Travel guides for Barbados
What to read before you book.

Barbados weather by month
TemperatureRainfall
How September compares with the rest of the year
September is highlighted. Every other month links to its own page.
| Month | Average | Rainfall |
|---|---|---|
| January | 26°C / 80°F | 72 mm |
| February | 26°C / 79°F | 43 mm |
| March | 27°C / 80°F | 36 mm |
| April | 27°C / 81°F | 63 mm |
| May | 28°C / 82°F | 85 mm |
| June | 28°C / 82°F | 108 mm |
| July | 28°C / 82°F | 131 mm |
| August | 28°C / 82°F | 154 mm |
| September | 28°C / 83°F | 158 mm |
| October | 28°C / 82°F | 181 mm |
| November | 27°C / 81°F | 174 mm |
| December | 27°C / 80°F | 102 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Barbados in September
September climate averages for Barbados, 1991–2020.
Barbados averages 28°C (83°F) in September, ranging from about 25°C (77°F) at night to 31°C (88°F) in the afternoon. That is a 1991–2020 average, so an individual week can run either side of it.
Yes, a lot. September brings about 158 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
They are about the same. September averages 28°C (83°F) and October 28°C (82°F), so temperature alone will not decide between them.
September is about as warm as August, and about as wet.
It is outside the easiest window. The most comfortable stretch here is December to May; September sits outside it, which usually means more heat, more rain, or both — worth it if you would rather have the place to yourself.
About 7.6 hours of sun a day on the 1991–2020 average.
This page does not show today's weather. It is a 1991–2020 climate normal from Meteostat — a long-run average of what September is usually like, which is what you want when booking months ahead. For today or the coming week, check a live forecast.
About 12 hours 12 minutes of daylight in mid-September, against 12 hours 54 minutes in June and 11 hours 21 minutes in December.
On 15 September, sunrise is about 05:47 and sunset about 17:58 local time. Both shift across the month — the month ends 21 minutes shorter than it starts.




