Chilibre weather in September

In September, Chilibre sees average daytime highs of 29°C and overnight lows near 23°C, with 357 mm of rain across 29.9 wet days and about 12.1 hours of daylight. It is the 8th-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 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 Chilibre's 9th-clearest and 11th-windiest month. For the whole year in context, see Chilibre's year-round climate.

Daytime high
29°
8th warmest
Overnight low
23°
7th coldest
Rainfall
357 mm
29.9 wet days
Daylight
12 hours
6:11 AM – 6:14 PM
Cloud cover
94%
9th clearest
Wind
4 km/h
11th windiest
Solar energy
4.53 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 Chilibre reaches about 29°C in the afternoon and slips back to 23°C overnight — a 6°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)
12923
22923
32923
42923
52923
62923
72923
82923
92923
102923
112923
122923
132923
142923
152923
162923
172923
182923
192923
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Chilibre

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.

Chilibre weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 23°3712.711.55.2
Feb29° / 23°268.611.75.5
Mar30° / 23°3110.511.95.0
Apr30° / 23°12320.612.23.6
May30° / 24°3133012.42.7
Jun29° / 24°34929.812.52.6
Jul29° / 23°36230.612.52.7
Aug29° / 23°36930.712.32.7
Sep29° / 23°35729.912.12.7
Oct29° / 23°35030.411.82.8
Nov29° / 23°31328.511.63.1
Dec29° / 23°1382211.54.0

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
5199
6199
7199
8199
9199
10199
11199
12199
13199
14199
15199
16199
17199
18199
19199
20199
21199
22199
23199
24199
25298
26298
27298
28298
29298
30298

Chance of precipitation in September

Any precipitation

Chilibre gets around 357 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 (%)
199
299
399
499
599
699
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
2599
2699
2799
2899
2999
3098

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
15842
25842
35842
45842
55842
65842
75842
85842
95842
105941
115941
126040
136040
146139
156139
166238
176337
186337
196436
206535
216535
226634
236634
246634
256634
266634
276634
286634
296634
306634

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 5 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
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 6:13 AM to 6:10 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)
112.26:136:24
212.26:136:23
312.26:136:22
412.26:136:22
512.16:136:21
612.16:126:21
712.16:126:20
812.16:126:19
912.16:126:19
1012.16:126:18
1112.16:126:17
1212.16:126:17
1312.16:126:16
1412.16:126:16
1512.16:116:15
1612.06:116:14
1712.06:116:14
1812.06:116:13
1912.06:116:12
2012.06:116:12
2112.06:116:11
2212.06:116:11
2312.06:116:10
2412.06:106:09
2512.06:106:09
2612.06:106:08
2712.06:106:07
2811.96:106:07
2911.96:106:06
3011.96:106:06

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.53 kWh/m².

For context, solar energy here swings from a low near 3.95 kWh/m² to a high of 5.6 kWh/m² in March across the year — September's 4.53 kWh/m² falls in the middle.

024151015202530
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
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Chilibre

In seasonPeak

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

Chilibre'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 Chilibre?

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 Chilibre.

What to pack for Chilibre in September

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

In September, Chilibre sees daytime highs around 29°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 30 days see rain.

light clothesrain gearsun protection

Sea temperature near Chilibre 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 31 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 Chilibre 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 Chilibre peaks around June 12 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeJun 12UV 13Dec 15UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov11Extreme
Dec10Very high

Air quality in Chilibre 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 Chilibre 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 Chilibre?

Chilibre sits at 9.2°N, 79.6°W, 61 m above sea level, in Panama. The nearest listed city is Alcalde Díaz, 8.0 km away.

Topography around Chilibre

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

Within 3 km, the terrain around Chilibre has significant variations in elevation — a maximum elevation change of 281 m around an average of 85 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 424 m; within 80 km, large variations in elevation — a maximum elevation change of 1,168 m.

The land around Chilibre is covered by trees (79%) within 3 km, trees (78%) within 16 km, and water (49%) and trees (37%) within 80 km.

3 km
281 m
16 km
424 m
80 km
1,168 m
treesgrasslandartificial surfaceswaterwetlandmangroves
September weather nearby: Alcalde Díaz 8.0 km · La Cabima 10 km · Las Cumbres 11 km · Río Abajo 20 km · San Miguelito 20 km · Panama City 21 km · Parque Lefevre 21 km · Curundú 22 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 Chilibre (9.154°, -79.6202°, elevation 61 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).