Savanna-la-Mar weather in September

In September, Savanna-la-Mar sees average daytime highs of 29°C and overnight lows near 27°C, with 113 mm of rain across 20 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 25% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Savanna-la-Mar's 11th-clearest and 10th-windiest month. For the whole year in context, see Savanna-la-Mar's year-round climate.

Daytime high
29°
3rd warmest
Overnight low
27°
10th coldest
Rainfall
113 mm
20 wet days
Daylight
12 h 06 min
6:04 AM – 6:10 PM
Cloud cover
63%
11th clearest
Wind
9 km/h
10th windiest
Solar energy
6.01 kWh/m²
Travel score
4.0
out of 10

Savanna-la-Mar is town in Jamaica.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 29°C through the month.

A typical September day in Savanna-la-Mar reaches about 29°C in the afternoon and slips back to 27°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83027
93027
103027
113027
123027
132927
142927
152927
162927
172927
182927
192927
202927
212927
222927
232927
242927
252927
262927
272927
282927
292927
302927

How September really feels in Savanna-la-Mar

Once humidity and wind are folded in, September averages 30 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Savanna-la-Mar weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°143.8117.9
Feb27° / 24°164.311.47.8
Mar27° / 24°246.411.97.5
Apr28° / 25°339.812.46.4
May29° / 26°9517.312.84.9
Jun29° / 27°7116.413.14.4
Jul30° / 27°6818.9134.2
Aug30° / 27°8719.512.64.1
Sep29° / 27°1132012.14.0
Oct29° / 26°10719.311.64.5
Nov28° / 26°508.511.16.3
Dec28° / 25°214.510.97.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 25% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 21% of September, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34555
44654
54654
64753
74753
84753
94753
104654
114753
124753
134753
144852
154852
164852
174852
184852
194852
204753
214753
224753
234753
244654
254555
264456
274456
284456
294357
304357

Chance of precipitation in September

Any precipitation

Savanna-la-Mar gets around 113 mm of rain over 20 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 67% and peaks near 73% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
162
262
362
462
562
662
762
862
962
1062
1163
1264
1364
1465
1566
1666
1767
1868
1969
2070
2171
2271
2372
2473
2573
2673
2773
2873
2973
3073

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels miserable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the miserable band about 72% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
12377
22377
32476
42476
52476
62476
72476
82476
92476
102476
112476
122575
132575
142674
152674
162773
172872
182872
192971
203070
213169
223268
233268
243367
253466
263466
273565
283664
293664
303763

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
109calm
119calm
129calm
139calm
149calm
159calm
169calm
179calm
189calm
199calm
209calm
219calm
229calm
239calm
249calm
259calm
2610calm
2710calm
2810calm
2910calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 54 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 30 minutes over September. Sunrise moves from 6:01 AM to 6:06 AM, and sunset from 6:23 PM to 5:57 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:016:23
212.36:026:22
312.36:026:21
412.36:026:21
512.36:026:20
612.36:026:19
712.36:026:18
812.26:036:17
912.26:036:16
1012.26:036:15
1112.26:036:14
1212.26:036:14
1312.26:036:13
1412.16:036:12
1512.16:046:11
1612.16:046:10
1712.16:046:09
1812.16:046:08
1912.06:046:07
2012.06:046:06
2112.06:056:05
2212.06:056:05
2312.06:056:04
2412.06:056:03
2511.96:056:02
2611.96:056:01
2711.96:066:00
2811.96:065:59
2911.96:065:58
3011.96:065:57

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.01 kWh/m².

For context, solar energy here swings from a low near 4.61 kWh/m² to a high of 6.88 kWh/m² in April across the year — September's 6.01 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.0Intense
166.0Intense
176.0Bright
186.0Bright
195.9Bright
205.9Bright
215.8Bright
225.8Bright
235.8Bright
245.7Bright
255.7Bright
265.7Bright
275.6Bright
285.6Bright
295.6Bright
305.5Bright
Planning a trip in September

Hazard calendar for Savanna-la-Mar

In seasonPeak

In September, Savanna-la-Mar sits inside its atlantic hurricane and rainy season season. The full year is below, with each hazard's peak months called out.

Savanna-la-Mar sits in the Atlantic hurricane belt; the season peaks August–October.

Savanna-la-Mar's rainy season runs May–October, when most of the year's rain falls.

Atlantic hurricane
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Savanna-la-Mar?

Our two travel scores rate September for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

4.0
Sightseeing
12th-best month of the year
5.3
Beach & pool
12th-best month of the year

September is a reasonable time to visit Savanna-la-Mar for sightseeing.

What to pack for Savanna-la-Mar in September

From September's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In September, Savanna-la-Mar sees daytime highs around 29°C and nights near 27°C. Pack light clothes, rain gear and sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Savanna-la-Mar in September

The nearest coast averages about 30°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in September at about 30°C and coldest in February near 27°C.

The water stays above 20°C all year — warm enough for a swim any month.

26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb27Warm
Mar27Warm
Apr28Warm
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec28Tropical

UV index in Savanna-la-Mar in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Savanna-la-Mar peaks around April 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 16UV 13Dec 16UV 7
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr13Extreme
May12Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct11Extreme
Nov8Very high
Dec7Very high

Air quality in Savanna-la-Mar in September

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where September falls, not just the annual average.

Air quality in Savanna-la-Mar is worst in June — around 36 µg/m³ PM2.5 (poor), about 3.1× the cleanest month (December, 12 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

010203040JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodJun 2336 µg/m³Dec 2212 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb13Moderate
Mar15Moderate
Apr17Moderate
May23Moderate
Jun36Poor
Jul35Poor
Aug29Moderate
Sep21Moderate
Oct17Moderate
Nov13Moderate
Dec12Good
Location & terrain

Where is Savanna-la-Mar?

Savanna-la-Mar sits at 18.2°N, 78.1°W, 7 m above sea level, in Jamaica. The nearest listed city is Negril, 23 km away.

NegrilMontego BayBarrett TownFalmouthMandevilleMay PenOcho RiosOld Harbour

Topography around Savanna-la-Mar

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Savanna-la-Mar.

Within 3 km, the terrain around Savanna-la-Mar has only modest variations in elevation — a maximum elevation change of 19 m around an average of 4 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 790 m; within 80 km, large variations in elevation — a maximum elevation change of 978 m.

The land around Savanna-la-Mar is covered by water (34%) and trees (22%) within 3 km, water (41%) and trees (40%) within 16 km, and water (63%) and trees (29%) within 80 km.

3 km
19 m
16 km
790 m
80 km
978 m
treesgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Negril 23 km · Montego Bay 36 km · Barrett Town 48 km · Falmouth 59 km · Mandeville 69 km · May Pen 98 km · Ocho Rios 111 km · Old Harbour 113 km

Jamaica travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
110 V · 50 Hz
Prices
≈ 60% of US
price level, 2025
GDP per capita
$8,003
2025
Happiness
6.3 / 10
World Happiness, 2025
Homicide rate
49.4
per 100k, 2023
Road deaths
15.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Protestant 65%none 21%other 7%Roman Catholic 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Savanna-la-Mar (18.2189°, -78.1332°, elevation 7 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).