La Chorrera weather in September

In September, La Chorrera sees average daytime highs of 29°C and overnight lows near 25°C, with 269 mm of rain across 29.6 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 3rd-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 miserable.

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 Chorrera's 9th-clearest and 12th-windiest month. For the whole year in context, see La Chorrera's year-round climate.

Daytime high
29°
6th warmest
Overnight low
25°
7th coldest
Rainfall
269 mm
29.6 wet days
Daylight
12 hours
6:12 AM – 6:15 PM
Cloud cover
92%
9th clearest
Wind
7 km/h
12th windiest
Solar energy
4.64 kWh/m²
Travel score
2.7
out of 10

La Chorrera is city of Panamá Oeste Province, Panama.

Density
2,697/km²
people per km²
Founded
1855

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 La Chorrera reaches about 29°C in the afternoon and slips back to 25°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)
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 La Chorrera

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.

La Chorrera weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 24°298.411.55.8
Feb29° / 24°144.611.76.1
Mar30° / 25°185.411.95.8
Apr30° / 25°8715.612.24.3
May29° / 25°23428.912.42.9
Jun29° / 25°25529.212.52.7
Jul29° / 25°28030.212.52.7
Aug29° / 25°27630.612.32.7
Sep29° / 25°26929.612.12.7
Oct29° / 24°2683011.82.9
Nov29° / 24°25227.611.63.2
Dec29° / 25°12420.511.54.3

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 2% of September, with mostly cloudy or overcast conditions the remaining 98%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1298
2298
3298
4199
5199
6199
7199
8199
9199
10199
11199
12298
13298
14298
15298
16298
17298
18298
19298
20298
21298
22397
23397
24397
25397
26397
27397
28397
29397
30397

Chance of precipitation in September

Any precipitation

La Chorrera gets around 269 mm of rain over 29.6 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 98% and peaks near 99% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
198
298
398
498
599
699
799
899
999
1099
1199
1299
1399
1499
1598
1698
1798
1898
1998
2098
2198
2298
2399
2499
2599
2698
2798
2898
2998
3098

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 54% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
14357
24357
34357
44357
54357
64357
74357
84456
94456
104456
114456
124456
134555
144555
154555
164654
174654
184753
194852
204852
214951
224951
235050
245050
255050
265050
275050
285050
295050
305050

Wind in September

Winds average 7 km/h in September, the calmest month.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
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 6:14 AM to 6:11 AM, and sunset from 6:24 PM to 6:06 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:146:24
212.26:146:23
312.26:136:23
412.16:136:22
512.16:136:22
612.16:136:21
712.16:136:20
812.16:136:20
912.16:136:19
1012.16:136:19
1112.16:136:18
1212.16:126:17
1312.16:126:17
1412.16:126:16
1512.16:126:16
1612.06:126:15
1712.06:126:14
1812.06:126:14
1912.06:126:13
2012.06:126:12
2112.06:116:12
2212.06:116:11
2312.06:116:11
2412.06:116:10
2512.06:116:09
2612.06:116:09
2712.06:116:08
2811.96:116:08
2911.96:116:07
3011.96:116:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.64 kWh/m².

For context, solar energy here swings from a low near 4.05 kWh/m² to a high of 5.81 kWh/m² in March across the year — September's 4.64 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.6Bright
34.6Bright
44.6Bright
54.6Bright
64.6Bright
74.6Bright
84.6Bright
94.6Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.7Bright
174.7Bright
184.7Bright
194.7Bright
204.7Bright
214.7Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for La Chorrera

In seasonPeak

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

La Chorrera'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 Chorrera?

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

2.7
Sightseeing
9th-best month of the year
3.6
Beach & pool
11th-best month of the year

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

What to pack for La Chorrera in September

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

In September, La Chorrera sees daytime highs around 29°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near La Chorrera 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 17 km away) is warmest in June at about 29°C and coldest in March near 25°C.

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

24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb25Warm
Mar25Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct28Tropical
Nov28Tropical
Dec28Warm

UV index in La Chorrera 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 Chorrera peaks around June 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeJun 10UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr12Extreme
May13Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in La Chorrera 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 Chorrera is worst in July — around 28 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (November, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateJul 1627 µg/m³Nov 1014 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar21Moderate
Apr26Moderate
May25Moderate
Jun23Moderate
Jul28Moderate
Aug21Moderate
Sep17Moderate
Oct14Moderate
Nov14Moderate
Dec17Moderate
Location & terrain

Where is La Chorrera?

La Chorrera sits at 8.9°N, 79.8°W, 70 m above sea level, in Panama. The nearest listed city is Arraiján, 17 km away.

Topography around La Chorrera

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

Within 3 km, the terrain around La Chorrera has only modest variations in elevation — a maximum elevation change of 92 m around an average of 67 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 499 m; within 80 km, large variations in elevation — a maximum elevation change of 1,164 m.

The land around La Chorrera is covered by artificial surfaces (56%) and trees (32%) within 3 km, trees (39%) and grassland (31%) within 16 km, and water (46%) and trees (41%) within 80 km.

3 km
92 m
16 km
499 m
80 km
1,164 m
treesgrasslandartificial surfacesbare terrainwatermangroves
September weather nearby: Arraiján 17 km · Veracruz 17 km · Balboa 25 km · Ancón 27 km · El Chorrillo 27 km · Curundú 28 km · Panama City 31 km · Chilibre 35 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 Chorrera (8.8776°, -79.7801°, elevation 70 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).