Bocas del Toro weather in September

In September, Bocas del Toro sees average daytime highs of 29°C and overnight lows near 25°C, with 178 mm of rain across 26.1 wet days and about 12.1 hours of daylight. It is the 1st-warmest and 9th-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 1% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Bocas del Toro's 7th-clearest and 12th-windiest month. For the whole year in context, see Bocas del Toro's year-round climate.

Daytime high
29°
1st warmest
Overnight low
25°
12th coldest
Rainfall
178 mm
26.1 wet days
Daylight
12 h 06 min
6:22 AM – 6:25 PM
Cloud cover
87%
7th clearest
Wind
5 km/h
12th windiest
Solar energy
4.6 kWh/m²
Travel score
3.3
out of 10

Bocas del Toro is human settlement in Panama.

Founded
1903

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 Bocas del Toro reaches about 29°C in the afternoon and slips back to 25°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.

20°23°25°28°30°151015202530
Avg high (°C)Avg low (°C)
12925
22925
32925
42925
52925
62925
72925
82925
92925
102925
112925
122925
132925
142925
152925
162925
172925
182925
192925
202925
212925
222925
232925
242925
252925
262925
272925
282925
292925
302925

How September really feels in Bocas del Toro

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.

Bocas del Toro weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 24°18118.811.55.3
Feb27° / 24°1281711.75.3
Mar28° / 24°11818.311.95.2
Apr28° / 25°12219.412.24.4
May29° / 25°26425.612.43.4
Jun29° / 25°24927.912.53.0
Jul28° / 25°29128.612.53.1
Aug29° / 25°23127.612.33.2
Sep29° / 25°17826.112.13.3
Oct28° / 25°27127.511.83.3
Nov28° / 25°36225.311.63.9
Dec27° / 24°28521.711.54.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 93%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1991
2991
3991
4991
5892
6892
7892
8892
9892
10892
11892
12892
13694
14694
15694
16793
17694
18694
19694
20694
21694
22694
23694
24694
25694
26694
27793
28793
29793
30793

Chance of precipitation in September

Any precipitation

Bocas del Toro gets around 178 mm of rain over 26.1 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 87% and peaks near 89% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
181
281
381
482
582
683
784
885
986
1086
1187
1287
1387
1488
1588
1688
1788
1888
1988
2088
2188
2289
2389
2489
2589
2689
2789
2889
2989
3089

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 85% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
118910
218910
309010
409010
509010
608911
708911
808911
908812
1008713
1108713
1208614
1308515
1408416
1508416
1608317
1708218
1808218
1908119
2008119
2108119
2208119
2308119
2408119
2508119
2608119
2708218
2808218
2908218
3008317

Wind in September

Winds average 5 km/h in September, the calmest month.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 6:23 AM to 6:20 AM, and sunset from 6:34 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:236:34
212.26:236:34
312.26:236:33
412.26:236:32
512.16:236:32
612.16:236:31
712.16:236:30
812.16:236:30
912.16:236:29
1012.16:226:29
1112.16:226:28
1212.16:226:27
1312.16:226:27
1412.16:226:26
1512.16:226:25
1612.16:226:25
1712.06:226:24
1812.06:226:24
1912.06:216:23
2012.06:216:22
2112.06:216:22
2212.06:216:21
2312.06:216:20
2412.06:216:20
2512.06:216:19
2612.06:216:19
2712.06:216:18
2811.96:216:17
2911.96:216:17
3011.96:206:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.6 kWh/m².

For context, solar energy here swings from a low near 3.66 kWh/m² to a high of 5.42 kWh/m² in March across the year — September's 4.6 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Is September a good time to visit Bocas del Toro?

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

3.3
Sightseeing
8th-best month of the year
4.1
Beach & pool
8th-best month of the year

September is a weaker month for outdoor sightseeing in Bocas del Toro.

What to pack for Bocas del Toro in September

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

In September, Bocas del Toro sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Bocas del Toro in September

The nearest coast averages about 29°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 13 km away) is warmest in September at about 29°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°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar28Warm
Apr28Tropical
May29Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov28Tropical
Dec28Warm

UV index in Bocas del Toro 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 Bocas del Toro peaks around March 19 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 19UV 14Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Bocas del Toro 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 Bocas del Toro is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (January, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1517 µg/m³Jan 108 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar11Good
Apr15Moderate
May16Moderate
Jun16Moderate
Jul17Moderate
Aug15Moderate
Sep12Moderate
Oct11Good
Nov9Good
Dec8Good
Location & terrain

Where is Bocas del Toro?

Bocas del Toro sits at 9.3°N, 82.2°W, 0 m above sea level, in Panama. The nearest listed city is Changuinola, 32 km away.

BoquetePuerto ViejoLa ConcepciónDavidPedregalBoca Chica

Topography around Bocas del Toro

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

Within 3 km, the terrain around Bocas del Toro has only modest variations in elevation — a maximum elevation change of 44 m around an average of 2 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 106 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,431 m.

The land around Bocas del Toro is covered by water (82%) within 3 km, water (76%) and trees (20%) within 16 km, and trees (52%) and water (45%) within 80 km.

3 km
44 m
16 km
106 m
80 km
3,431 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Changuinola 32 km · Boquete 66 km · Puerto Viejo 66 km · La Concepción 101 km · David 104 km · Pedregal 109 km · Puerto Limón 113 km · Boca Chica 125 km

Panama travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
110 V · 60 Hz
Prices
≈ 45% of US
price level, 2025
GDP per capita
$19,790
2025
Happiness
6.5 / 10
World Happiness, 2025
Homicide rate
11.7
per 100k, 2023
Road deaths
13.9
per 100k/yr, 2019
Income group
High
World Bank
English
Low
EF EPI 491
Religion
Evangelical 55%Roman Catholic 33%none 10%

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 Bocas del Toro (9.3403°, -82.242°, 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. 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).