Placencia weather in September

In September, Placencia sees average daytime highs of 29°C and overnight lows near 26°C, with 336 mm of rain across 27.6 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 4th-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 24% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Placencia's 11th-clearest and 12th-windiest month. For the whole year in context, see Placencia's year-round climate.

Daytime high
29°
1st warmest
Overnight low
26°
10th coldest
Rainfall
336 mm
27.6 wet days
Daylight
12 h 06 min
5:45 AM – 5:51 PM
Cloud cover
67%
11th clearest
Wind
13 km/h
12th windiest
Solar energy
5.37 kWh/m²
Travel score
3.4
out of 10

Placencia is town in Belize.

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 Placencia reaches about 29°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 29°C. Set against its neighbours, September runs on par with August and about 1°C warmer than October.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12926
22926
32926
42926
52926
62926
72926
82926
92926
102926
112926
122926
132926
142926
152926
162926
172926
182926
192926
202926
212926
222926
232826
242826
252826
262826
272826
282826
292826
302826

How September really feels in Placencia

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.

Placencia weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 24°1602111.15.4
Feb26° / 24°8117.111.45.8
Mar26° / 25°7916.211.96.2
Apr27° / 26°5613.812.46.2
May28° / 27°17020.312.84.8
Jun28° / 27°34326.7133.5
Jul28° / 26°34229.312.93.4
Aug29° / 26°32728.712.63.4
Sep29° / 26°33627.612.13.4
Oct28° / 26°36325.211.64.1
Nov27° / 25°29823.311.24.6
Dec26° / 24°17222.1115.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 24% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 61%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24555
34555
44357
54456
64357
74357
84258
94159
104159
114159
124060
134060
144060
153961
163961
173961
183961
193763
203763
213763
223763
233763
243664
253565
263565
273565
283565
293565
303466

Chance of precipitation in September

Any precipitation

Placencia gets around 336 mm of rain over 27.6 wet days in September. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 91% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
491
591
691
791
891
991
1091
1191
1291
1391
1491
1591
1691
1791
1892
1992
2092
2192
2292
2392
2492
2592
2691
2791
2890
2989
3089

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 74% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
101684
201783
301783
401783
501783
601882
701882
801882
901981
1001981
1102080
1202179
1302278
1402278
1502377
1602476
1702575
1802674
1902773
2002872
2102971
2203070
2303268
2403367
2503565
2613762
2713861
2813960
2914059
3024157

Wind in September

Winds average 13 km/h in September, the calmest month.

Across September, daily wind ranges from about 13 km/h on the calmest days to 14 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
114light breeze
214light breeze
314light breeze
414light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:43 AM to 5:47 AM, and sunset from 6:03 PM to 5:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:436:03
212.35:446:02
312.35:446:01
412.35:446:01
512.35:446:00
612.25:445:59
712.25:445:58
812.25:445:57
912.25:445:56
1012.25:445:56
1112.25:455:55
1212.25:455:54
1312.15:455:53
1412.15:455:52
1512.15:455:51
1612.15:455:51
1712.15:455:50
1812.15:455:49
1912.05:455:48
2012.05:455:47
2112.05:465:46
2212.05:465:45
2312.05:465:45
2412.05:465:44
2511.95:465:43
2611.95:465:42
2711.95:465:41
2811.95:465:40
2911.95:475:40
3011.95:475:39

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.37 kWh/m².

For context, solar energy here swings from a low near 3.88 kWh/m² to a high of 6.38 kWh/m² in April across the year — September's 5.37 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.3Bright
185.3Bright
195.3Bright
205.2Bright
215.2Bright
225.2Bright
235.1Bright
245.1Bright
255.0Bright
265.0Bright
275.0Bright
285.0Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Placencia

In seasonPeak

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

Placencia sits in the Atlantic hurricane belt; the season peaks August–October.

Placencia's rainy season runs May–December, 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 Placencia?

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

3.4
Sightseeing
10th-best month of the year
4.1
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Placencia.

What to pack for Placencia in September

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

In September, Placencia sees daytime highs around 29°C and nights near 26°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Placencia 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 at the nearest coast (about 16 km away) is warmest in September at about 30°C and coldest in January 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
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in Placencia in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Placencia peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 10UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Placencia 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 Placencia is worst in July — around 29 µg/m³ PM2.5 (moderate), about 6.4× the cleanest month (December, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1228 µg/m³Dec 145 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar9Good
Apr20Moderate
May23Moderate
Jun26Moderate
Jul29Moderate
Aug19Moderate
Sep13Moderate
Oct9Good
Nov6Good
Dec5Good
Location & terrain

Where is Placencia?

Placencia sits at 16.5°N, 88.4°W, 0 m above sea level, in Belize. The nearest listed city is Hopkins, 40 km away.

HopkinsDangrigaPunta GordaLívingstonOmoaPuerto CortesPuerto BarriosBelmopan

Topography around Placencia

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Placencia.

Within 3 km, the terrain around Placencia has only modest variations in elevation — a maximum elevation change of 9 m around an average of 0 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 37 m; within 80 km, large variations in elevation — a maximum elevation change of 1,120 m.

The land around Placencia is covered by water (87%) within 3 km, water (64%) and grassland (23%) within 16 km, and water (58%) and trees (35%) within 80 km.

3 km
9 m
16 km
37 m
80 km
1,120 m
treesgrasslandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Hopkins 40 km · Dangriga 53 km · Punta Gorda 66 km · Lívingston 87 km · Omoa 89 km · Puerto Cortes 90 km · Puerto Barrios 91 km · Belmopan 92 km

Belize travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / G
110 / 220 V · 60 Hz
Prices
≈ 53% of US
price level, 2025
GDP per capita
$7,865
2025
Happiness
6.7 / 10
World Happiness, 2025
Homicide rate
28.1
per 100k, 2022
Road deaths
22.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
Religion
Roman Catholic 40%Protestant 32%none 16%other 11%

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 Placencia (16.5142°, -88.3665°, elevation 0 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).