La Concepción weather in September

In September, La Concepción sees average daytime highs of 28°C and overnight lows near 21°C, with 460 mm of rain across 29.9 wet days and about 12 hours of daylight. It is the 10th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°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 La Concepción's 10th-clearest and 7th-windiest month. For the whole year in context, see La Concepción's year-round climate.

Daytime high
28°
10th warmest
Overnight low
21°
6th coldest
Rainfall
460 mm
29.9 wet days
Daylight
12 hours
6:23 AM – 6:26 PM
Cloud cover
93%
10th clearest
Wind
4 km/h
7th windiest
Solar energy
4.45 kWh/m²
Travel score
3.0
out of 10

La Concepción is human settlement in Panama.

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 28°C through the month.

A typical September day in La Concepción reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 26°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)
12821
22821
32821
42821
52821
62821
72821
82821
92821
102821
112821
122821
132821
142821
152821
162821
172821
182821
192821
202821
212821
222821
232821
242821
252821
262821
272821
282821
292821
302821

How September really feels in La Concepción

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

La Concepción weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 20°5112.411.65.1
Feb31° / 21°327.511.75.1
Mar31° / 21°4910.511.94.4
Apr31° / 22°17322.612.23.3
May29° / 22°45030.112.42.8
Jun28° / 22°43629.812.52.9
Jul28° / 22°42430.512.42.9
Aug28° / 21°45330.912.32.9
Sep28° / 21°46029.9123.0
Oct28° / 21°60230.811.83.2
Nov28° / 21°52029.611.63.3
Dec29° / 21°18922.311.54.2

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 (%)
1298
2298
3298
4298
5298
6298
7199
8199
9199
10199
11199
12199
13199
14199
15199
160100
170100
180100
19199
20199
21199
22199
23199
24199
25199
26199
27199
28199
29199
30199

Chance of precipitation in September

Any precipitation

La Concepción gets around 460 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
28100
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 96% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)
1298
2298
3298
4298
5298
6298
7298
8298
9298
10397
11397
12397
13397
14496
15496
16496
17496
18496
19595
20595
21595
22595
23595
24595
25595
26694
27694
28694
29694
30694

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 6:25 AM to 6:22 AM, and sunset from 6:35 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:256:35
212.26:256:35
312.16:256:34
412.16:256:33
512.16:256:33
612.16:256:32
712.16:256:32
812.16:246:31
912.16:246:30
1012.16:246:30
1112.16:246:29
1212.16:246:29
1312.16:246:28
1412.16:246:27
1512.16:246:27
1612.06:236:26
1712.06:236:26
1812.06:236:25
1912.06:236:24
2012.06:236:24
2112.06:236:23
2212.06:236:23
2312.06:236:22
2412.06:226:21
2512.06:226:21
2612.06:226:20
2712.06:226:20
2811.96:226:19
2911.96:226:18
3011.96:226:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.45 kWh/m².

For context, solar energy here swings from a low near 3.98 kWh/m² to a high of 6.26 kWh/m² in March across the year — September's 4.45 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
144.4Bright
154.4Bright
164.4Bright
174.4Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.4Bright
234.4Bright
244.4Bright
254.4Bright
264.3Bright
274.3Bright
284.3Bright
294.3Bright
304.3Bright
Planning a trip in September

Hazard calendar for La Concepción

In seasonPeak

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

La Concepción'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 La Concepción?

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

3.0
Sightseeing
8th-best month of the year
3.4
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in La Concepción.

What to pack for La Concepción in September

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

In September, La Concepción sees daytime highs around 28°C and nights near 21°C. Pack light clothes and rain gear. About 30 days see rain.

light clothesrain gear

Sea temperature near La Concepción 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 44 km away) is warmest in March at about 30°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
Mar30Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Warm
Dec28Tropical

UV index in La Concepción 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 La Concepción peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 17UV 13Dec 17UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar14Extreme
Apr13Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in La Concepción 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 La Concepción 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 La Concepción?

La Concepción sits at 8.5°N, 82.6°W, 236 m above sea level, in Panama. The nearest listed city is David, 23 km away.

Boca ChicaBocas del ToroChanguinolaPuerto Viejo

Topography around La Concepción

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

Within 3 km, the terrain around La Concepción has only modest variations in elevation — a maximum elevation change of 197 m around an average of 223 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 934 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,431 m.

The land around La Concepción is covered by trees (47%) and grassland (35%) within 3 km, grassland (55%) and trees (41%) within 16 km, and trees (51%) and water (34%) within 80 km.

3 km
197 m
16 km
934 m
80 km
3,431 m
treesgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: David 23 km · Pedregal 26 km · Boquete 36 km · Boca Chica 55 km · Bocas del Toro 101 km · Changuinola 102 km · Puerto Viejo 128 km · San Isidro 151 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 La Concepción (8.5167°, -82.6239°, elevation 236 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).