San Pedro Sula weather in September

In September, San Pedro Sula sees average daytime highs of 31°C and overnight lows near 22°C, with 205 mm of rain across 27.1 wet days and about 12.1 hours of daylight. It is the 4th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is San Pedro Sula's 11th-clearest and 12th-windiest month. For the whole year in context, see San Pedro Sula's year-round climate.

Daytime high
31°
4th warmest
Overnight low
22°
9th coldest
Rainfall
205 mm
27.1 wet days
Daylight
12 h 06 min
5:44 AM – 5:49 PM
Cloud cover
79%
11th clearest
Wind
4 km/h
12th windiest
Solar energy
5.42 kWh/m²
Travel score
2.7
out of 10

San Pedro Sula is human settlement in Honduras.

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 31°C through the month.

A typical September day in San Pedro Sula reaches about 31°C in the afternoon and slips back to 22°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 32°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73122
83122
93122
103122
113122
123122
133122
143122
153122
163122
173122
183122
193122
203122
213022
223022
233022
243022
253022
263022
273022
283022
293022
303022

How September really feels in San Pedro Sula

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.

San Pedro Sula weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 19°14017.911.25.6
Feb27° / 19°8813.711.55.9
Mar29° / 20°8211.311.95.6
Apr31° / 21°6212.112.34.4
May32° / 22°14621.512.73.0
Jun31° / 23°20326.212.92.7
Jul30° / 22°18227.412.82.9
Aug30° / 22°17127.812.52.9
Sep31° / 22°20527.112.12.7
Oct29° / 22°2562611.63.4
Nov27° / 20°24222.411.34.5
Dec26° / 19°14620.411.15.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12377
22278
32278
42179
52080
62080
72080
81981
91981
101981
111882
121882
131882
141882
151783
161783
171783
181684
191684
201684
211684
221585
231585
241585
251585
261486
271585
281585
291585
301585

Chance of precipitation in September

Any precipitation

San Pedro Sula gets around 205 mm of rain over 27.1 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 90% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
287
387
487
588
688
788
888
989
1089
1189
1289
1390
1490
1590
1690
1791
1891
1991
2091
2192
2292
2392
2492
2592
2691
2791
2891
2990
3090

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 89% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
10919
20919
30919
40919
50919
60919
70919
80919
90919
1009010
1109010
1209010
1308911
1408911
1508911
1608911
1708911
1808812
1908812
2008812
2108812
2208812
2308812
2408812
2518712
2618712
2718811
2818811
2928711
3028711

Wind in September

Winds average 4 km/h in September, the calmest month.

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 18 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 24 minutes over September. Sunrise moves from 5:43 AM to 5:45 AM, and sunset from 6:01 PM to 5:38 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:436:01
212.35:436:00
312.35:435:59
412.35:435:59
512.25:435:58
612.25:435:57
712.25:435:56
812.25:435:55
912.25:435:55
1012.25:435:54
1112.25:435:53
1212.15:445:52
1312.15:445:51
1412.15:445:51
1512.15:445:50
1612.15:445:49
1712.15:445:48
1812.15:445:47
1912.05:445:47
2012.05:445:46
2112.05:445:45
2212.05:445:44
2312.05:445:43
2412.05:445:42
2512.05:455:42
2611.95:455:41
2711.95:455:40
2811.95:455:39
2911.95:455:39
3011.95:455:38

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.42 kWh/m².

For context, solar energy here swings from a low near 3.63 kWh/m² to a high of 6.33 kWh/m² in April across the year — September's 5.42 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.7Bright
65.7Bright
75.7Bright
85.6Bright
95.6Bright
105.6Bright
115.6Bright
125.5Bright
135.5Bright
145.5Bright
155.5Bright
165.4Bright
175.4Bright
185.4Bright
195.3Bright
205.3Bright
215.3Bright
225.2Bright
235.2Bright
245.1Bright
255.1Bright
265.1Bright
275.0Bright
285.0Bright
295.0Bright
304.9Bright
Planning a trip in September

Hazard calendar for San Pedro Sula

In seasonPeak

In September, San Pedro Sula sits inside its atlantic hurricane season. The full year is below, with each hazard's peak months called out.

San Pedro Sula sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit San Pedro Sula?

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

2.7
Sightseeing
11th-best month of the year
3.9
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in San Pedro Sula.

What to pack for San Pedro Sula in September

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

In September, San Pedro Sula sees daytime highs around 31°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near San Pedro Sula in September

The nearest coast averages about 30°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 42 km away) is warmest in September at about 30°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°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb27Warm
Mar27Warm
Apr28Tropical
May29Tropical
Jun30Tropical
Jul29Tropical
Aug30Tropical
Sep30Tropical
Oct29Tropical
Nov28Tropical
Dec27Warm

UV index in San Pedro Sula 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 San Pedro Sula peaks around April 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highApr 10UV 13Dec 17UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in San Pedro Sula 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 San Pedro Sula is worst in April — around 32 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 13 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 2332 µg/m³Dec 1913 µg/m³
PM2.5 (µg/m³)Level
Jan13Moderate
Feb13Moderate
Mar16Moderate
Apr32Moderate
May31Moderate
Jun27Moderate
Jul30Moderate
Aug23Moderate
Sep19Moderate
Oct17Moderate
Nov14Moderate
Dec13Moderate
Location & terrain

Where is San Pedro Sula?

San Pedro Sula sits at 15.5°N, 88.0°W, 90 m above sea level, in Honduras. The nearest listed city is La Lima, 14 km away.

Topography around San Pedro Sula

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

Within 3 km, the terrain around San Pedro Sula has significant variations in elevation — a maximum elevation change of 325 m around an average of 96 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,718 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,713 m.

The land around San Pedro Sula is covered by artificial surfaces (78%) within 3 km, trees (64%) within 16 km, and trees (56%) and water (25%) within 80 km.

3 km
325 m
16 km
1,718 m
80 km
2,713 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: La Lima 14 km · Choloma 14 km · Cofradía 18 km · Villanueva 22 km · El Progreso 27 km · Omoa 30 km · Potrerillos 31 km · Puerto Cortes 37 km

Honduras travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 46% of US
price level, 2025
GDP per capita
$3,598
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
66%
of population, 2024
Homicide rate
31.4
per 100k, 2023
Road deaths
16.1
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
High
EF EPI 553
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 San Pedro Sula (15.5059°, -88.0259°, elevation 90 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).