Jamaica weather in September
Jamaica in September averages 29°C (85°F), 155 mm of rain and 7.4 hours of sun a day. It is one of the wetter months of the year here.
Of the twelve months in Jamaica, September is the wettest and the second dullest.
- Average temp
- 29°C (85°F)
26–33°C · 78–91°F
- Rainfall
- 155 mm
A wet month
- Sunshine
- 7.4 h
hours per day
What is Jamaica like in September?
Daytime
Days are hot, often above 32°C.
Rain
Expect frequent rain — this is a wet month.
Evening
Evenings stay warm.
What should I pack for Jamaica in September?
High-factor sun cream
With daytime highs around 33°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
155 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 Jamaica is about the same temperature as August and 46 mm wetter than it, which averages 29°C (85°F).
September in Jamaica is 0.7°C warmer than October and about as wet as it, which averages 29°C (83°F).
Daylight in Jamaica in September
On 15 September the sun is up for 12 hours 14 minutes in Jamaica, rising about 05:57 and setting about 18:10 local time.
September ends 29 minutes shorter than it begins, so the last week of the month is a different length of day from the first.
That is 59 minutes short of June, the longest-lit month here.
Travel guides for Jamaica
What to read before you book.
Jamaica 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 | 27°C / 81°F | 17 mm |
| February | 27°C / 81°F | 16 mm |
| March | 27°C / 81°F | 23 mm |
| April | 28°C / 82°F | 28 mm |
| May | 29°C / 83°F | 112 mm |
| June | 29°C / 85°F | 61 mm |
| July | 30°C / 85°F | 59 mm |
| August | 29°C / 85°F | 109 mm |
| September | 29°C / 85°F | 155 mm |
| October | 29°C / 83°F | 152 mm |
| November | 28°C / 83°F | 89 mm |
| December | 27°C / 81°F | 40 mm |
Check another month
This is the month you are reading. Change either side to look at another.
FAQs about Jamaica in September
September climate averages for Jamaica, 1991–2020.
Jamaica averages 29°C (85°F) in September, ranging from about 26°C (78°F) at night to 33°C (91°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 155 mm, which makes it one of the wetter months here — expect heavy bursts rather than all-day drizzle.
Yes. September averages 29°C (85°F) against 29°C (83°F) in October — 0.7°C warmer.
September is about as warm as August, and 46 mm wetter.
It is outside the easiest window. The most comfortable stretch here is November to April; 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 7.4 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 14 minutes of daylight in mid-September, against 13 hours 13 minutes in June and 11 hours 3 minutes in December.
On 15 September, sunrise is about 05:57 and sunset about 18:10 local time. Both shift across the month — the month ends 29 minutes shorter than it starts.
