San Lorenzo weather in September

In September, San Lorenzo sees average daytime highs of 31°C and overnight lows near 24°C, with 405 mm of rain across 26.7 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 1st-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 8% 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 Lorenzo's 11th-clearest and 11th-windiest month. For the whole year in context, see San Lorenzo's year-round climate.

Daytime high
31°
11th warmest
Overnight low
24°
6th coldest
Rainfall
405 mm
26.7 wet days
Daylight
12 h 06 min
5:42 AM – 5:46 PM
Cloud cover
76%
11th clearest
Wind
5 km/h
11th windiest
Solar energy
5.53 kWh/m²
Travel score
2.6
out of 10

San Lorenzo 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 Lorenzo reaches about 31°C in the afternoon and slips back to 24°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 34°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143124
153124
163124
173124
183124
193124
203124
213124
223124
233124
243124
253124
263124
273124
283124
293124
303124

How September really feels in San Lorenzo

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 Lorenzo weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 23°10.211.34.5
Feb34° / 24°10.411.64.0
Mar34° / 24°71.711.93.6
Apr34° / 25°458.112.33.1
May33° / 25°30922.112.62.5
Jun32° / 25°32422.312.82.6
Jul33° / 25°16015.112.72.9
Aug33° / 24°28321.112.42.6
Sep31° / 24°40526.712.12.6
Oct31° / 24°39323.611.73.1
Nov32° / 24°587.611.44.4
Dec33° / 23°4111.24.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 77%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12773
22674
32674
42674
52674
62674
72674
82674
92674
102575
112575
122575
132476
142476
152476
162377
172377
182377
192278
202278
212278
222080
232080
242080
252080
262179
272278
282278
292179
302278

Chance of precipitation in September

Any precipitation

San Lorenzo gets around 405 mm of rain over 26.7 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 88% and peaks near 93% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
183
284
384
484
584
684
784
884
985
1085
1185
1286
1386
1487
1587
1688
1789
1890
1991
2091
2192
2293
2393
2493
2593
2693
2792
2892
2991
3091

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 73% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
117524
217425
317425
417425
507426
607426
707327
807327
907228
1007228
1107228
1207129
1307129
1407129
1507129
1607129
1707129
1807228
1907228
2007327
2107327
2207426
2307426
2407525
2507525
2607624
2707624
2807624
2917524
3017623

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:42 AM to 5:42 AM, and sunset from 5:57 PM to 5:36 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:425:57
212.35:425:57
312.25:425:56
412.25:425:55
512.25:425:55
612.25:425:54
712.25:425:53
812.25:425:52
912.25:425:52
1012.25:425:51
1112.15:425:50
1212.15:425:49
1312.15:425:49
1412.15:425:48
1512.15:425:47
1612.15:425:46
1712.15:425:46
1812.05:425:45
1912.05:425:44
2012.05:425:43
2112.05:425:43
2212.05:425:42
2312.05:425:41
2412.05:425:40
2512.05:425:40
2611.95:425:39
2711.95:425:38
2811.95:425:37
2911.95:425:37
3011.95:425:36

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.53 kWh/m².

For context, solar energy here swings from a low near 5.02 kWh/m² to a high of 6.7 kWh/m² in March across the year — September's 5.53 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.9Bright
25.9Bright
35.9Bright
45.9Bright
55.9Bright
65.8Bright
75.8Bright
85.8Bright
95.8Bright
105.8Bright
115.7Bright
125.7Bright
135.7Bright
145.6Bright
155.6Bright
165.5Bright
175.5Bright
185.5Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.3Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Hazard calendar for San Lorenzo

In seasonPeak

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

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

San Lorenzo's monsoon runs August–October, when most of the year's rain falls.

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

Is September a good time to visit San Lorenzo?

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

2.6
Sightseeing
9th-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 Lorenzo.

What to pack for San Lorenzo in September

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

In September, San Lorenzo sees daytime highs around 31°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 27 days see rain.

light clothesrain gearsun protection

Sea temperature near San Lorenzo 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 34 km away) is warmest in August at about 30°C and coldest in January near 28°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
Jan28Warm
Feb28Warm
Mar28Tropical
Apr29Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec28Tropical

UV index in San Lorenzo 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 Lorenzo peaks around March 22 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 22UV 13Dec 14UV 9
UV index (midday)Level
Jan10Extreme
Feb12Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in San Lorenzo 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 Lorenzo is worst in April — around 34 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 10 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 2233 µg/m³Jan 1010 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb12Good
Mar20Moderate
Apr34Moderate
May32Moderate
Jun21Moderate
Jul24Moderate
Aug20Moderate
Sep18Moderate
Oct17Moderate
Nov14Moderate
Dec10Good
Location & terrain

Where is San Lorenzo?

San Lorenzo sits at 13.4°N, 87.4°W, 16 m above sea level, in Honduras. The nearest listed city is Marcovia, 21 km away.

La UniónSabanagrandeSomotilloSan Francisco GoteraTegucigalpa

Topography around San Lorenzo

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

Within 3 km, the terrain around San Lorenzo has only modest variations in elevation — a maximum elevation change of 167 m around an average of 12 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 693 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,232 m.

The land around San Lorenzo is covered by mangroves (33%) within 3 km, trees (31%) and grassland (22%) within 16 km, and trees (49%), grassland (21%) and water (20%) within 80 km.

3 km
167 m
16 km
693 m
80 km
2,232 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Marcovia 21 km · Langue 31 km · Ciudad Choluteca 32 km · La Unión 44 km · Sabanagrande 47 km · Somotillo 72 km · San Francisco Gotera 77 km · Tegucigalpa 78 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 Lorenzo (13.4242°, -87.4472°, elevation 16 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).