Boca Chica weather in September

In September, Boca Chica sees average daytime highs of 29°C and overnight lows near 24°C, with 458 mm of rain across 29.9 wet days and about 12 hours of daylight. It is the 10th-warmest and 6th-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 0% 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 Boca Chica's 9th-clearest and 4th-windiest month. For the whole year in context, see Boca Chica's year-round climate.

Daytime high
29°
10th warmest
Overnight low
24°
5th coldest
Rainfall
458 mm
29.9 wet days
Daylight
12 hours
6:22 AM – 6:25 PM
Cloud cover
93%
9th clearest
Wind
6 km/h
4th windiest
Solar energy
4.5 kWh/m²
Travel score
2.7
out of 10

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 Boca Chica reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°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°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12924
22924
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924

How September really feels in Boca Chica

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.

Boca Chica weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 24°284.911.65.1
Feb32° / 24°163.111.74.7
Mar33° / 25°285.411.94.1
Apr32° / 25°15417.312.23.3
May30° / 25°45829.112.42.7
Jun29° / 25°46829.612.52.7
Jul29° / 25°48430.312.42.7
Aug29° / 24°50130.812.32.7
Sep29° / 24°45829.9122.7
Oct29° / 24°62530.711.82.8
Nov29° / 24°55428.311.63.1
Dec30° / 24°18716.711.54.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 1% of September, with mostly cloudy or overcast conditions the remaining 99%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1199
2199
3199
4199
5199
6199
7199
8199
9199
10199
11199
120100
130100
140100
150100
160100
170100
180100
190100
200100
210100
220100
23199
24199
25199
26199
27199
28199
29199
30199

Chance of precipitation in September

Any precipitation

Boca Chica gets around 458 mm of rain over 29.9 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 100% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
2899
2999
3099

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15941
25941
35941
45941
55842
65842
75743
85644
95545
105545
115446
125446
135347
145347
155347
165347
175446
185446
195545
205644
215644
225743
235842
245941
256040
266139
276238
286337
296436
306535

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 7 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
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
307calm

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 6:24 AM to 6:20 AM, and sunset from 6:33 PM to 6:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:246:33
212.26:246:33
312.16:246:32
412.16:236:32
512.16:236:31
612.16:236:31
712.16:236:30
812.16:236:29
912.16:236:29
1012.16:236:28
1112.16:236:28
1212.16:226:27
1312.16:226:26
1412.16:226:26
1512.16:226:25
1612.06:226:25
1712.06:226:24
1812.06:226:23
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
2712.06:206:18
2812.06:206:17
2911.96:206:17
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 4.5 kWh/m².

For context, solar energy here swings from a low near 4.03 kWh/m² to a high of 6.52 kWh/m² in March across the year — September's 4.5 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.5Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.5Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.5Bright
194.5Bright
204.5Bright
214.5Bright
224.5Bright
234.5Bright
244.5Bright
254.4Bright
264.4Bright
274.4Bright
284.4Bright
294.4Bright
304.4Bright
Planning a trip in September

Hazard calendar for Boca Chica

In seasonPeak

In September, Boca Chica sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Boca Chica's rainy season runs May–November, when most of the year's rain falls.

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

Is September a good time to visit Boca Chica?

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

2.7
Sightseeing
8th-best month of the year
3.5
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Boca Chica.

What to pack for Boca Chica in September

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

In September, Boca Chica sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Boca Chica 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 15 km away) is warmest in April at about 29°C and coldest in November near 28°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
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec29Tropical

UV index in Boca Chica 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 Boca Chica peaks around March 18 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 18UV 14Dec 16UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Boca Chica 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 Boca Chica is worst in April — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (November, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodApr 1716 µg/m³Nov 137 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb10Good
Mar13Moderate
Apr16Moderate
May13Moderate
Jun12Good
Jul13Moderate
Aug11Good
Sep9Good
Oct7Good
Nov7Good
Dec8Good
Location & terrain

Where is Boca Chica?

Boca Chica sits at 8.2°N, 82.2°W, 0 m above sea level, in Panama. The nearest listed city is Pedregal, 29 km away.

La ConcepciónBoqueteBocas del ToroSantiago de VeraguasChanguinolaPuerto Viejo

Topography around Boca Chica

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

Within 3 km, the terrain around Boca Chica has only modest variations in elevation — a maximum elevation change of 87 m around an average of 12 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 310 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,430 m.

The land around Boca Chica is covered by water (52%) and trees (26%) within 3 km, water (62%) within 16 km, and water (48%) and trees (35%) within 80 km.

3 km
87 m
16 km
310 m
80 km
3,430 m
treesgrasslandcroplandwatermangroves
September weather nearby: Pedregal 29 km · David 33 km · La Concepción 55 km · Boquete 67 km · Bocas del Toro 125 km · Santiago de Veraguas 137 km · Changuinola 139 km · Puerto Viejo 170 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 Boca Chica (8.2204°, -82.2185°, 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).