Motozintla weather in September

In September, Motozintla sees average daytime highs of 23°C and overnight lows near 16°C, with 569 mm of rain across 29.9 wet days and about 12.1 hours of daylight. It is the 9th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 23°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels humid.

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

Daytime high
23°
9th warmest
Overnight low
16°
10th coldest
Rainfall
569 mm
29.9 wet days
Daylight
12 h 06 min
6:01 AM – 6:06 PM
Cloud cover
90%
12th clearest
Wind
4 km/h
9th windiest
Solar energy
4.75 kWh/m²
Travel score
3.4
out of 10

Motozintla is municipal seat of Motozintla, State of Chiapas, Mexico.

Founded
1620

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 23°C through the month.

A typical September day in Motozintla reaches about 23°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 25°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12315
22315
32315
42315
52315
62315
72315
82316
92316
102316
112316
122316
132316
142316
152316
162316
172316
182316
192316
202316
212316
222316
232316
242316
252316
262316
272316
282316
292316
302316

Motozintla weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 13°196.611.28.0
Feb24° / 13°237.611.57.7
Mar25° / 14°5415.911.96.3
Apr25° / 15°13322.412.35.0
May24° / 16°36929.812.73.8
Jun24° / 16°50629.912.93.5
Jul24° / 15°40230.412.83.6
Aug24° / 15°46630.812.53.5
Sep23° / 16°56929.912.13.4
Oct23° / 15°39529.811.73.7
Nov23° / 14°12521.111.35.3
Dec23° / 13°339.811.17.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17496
18496
19496
20397
21397
22397
23397
24397
25397
26496
27496
28496
29694
30694

Chance of precipitation in September

Any precipitation

Motozintla gets around 569 mm of rain over 29.9 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 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
899
999
1099
1199
1299
1399
1499
1599
1699
1799
1899
1999
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the humid band about 95% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
15941
25941
35950
44960
54960
64960
74960
84960
94951
103961
113961
123961
133961
143952
153952
163952
173952
183952
192953
202953
212953
222953
232953
242953
252953
262953
272953
282953
292953
303943

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 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 6:00 AM to 6:02 AM, and sunset from 6:18 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:006:18
212.36:006:17
312.36:006:16
412.36:006:15
512.26:006:15
612.26:006:14
712.26:006:13
812.26:006:12
912.26:006:12
1012.26:006:11
1112.26:006:10
1212.16:006:09
1312.16:016:08
1412.16:016:07
1512.16:016:07
1612.16:016:06
1712.16:016:05
1812.16:016:04
1912.06:016:03
2012.06:016:03
2112.06:016:02
2212.06:016:01
2312.06:016:00
2412.06:015:59
2512.06:015:59
2611.96:025:58
2711.96:025:57
2811.96:025:56
2911.96:025:55
3011.96:025:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.75 kWh/m².

For context, solar energy here swings from a low near 4.62 kWh/m² to a high of 6.26 kWh/m² in April across the year — September's 4.75 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.1Bright
25.1Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.7Bright
194.7Bright
204.7Bright
214.6Bright
224.6Bright
234.6Bright
244.5Bright
254.5Bright
264.5Bright
274.5Bright
284.5Bright
294.5Bright
304.5Bright
Planning a trip in September

Hazard calendar for Motozintla

In seasonPeak

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

Motozintla's monsoon runs May–October, when most of the year's rain falls.

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

Is September a good time to visit Motozintla?

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

3.4
Sightseeing
12th-best month of the year
2.8
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Motozintla.

What to pack for Motozintla in September

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

In September, Motozintla sees daytime highs around 23°C and nights near 16°C. Pack rain gear. Worth having: light clothes and sun protection. About 30 days see rain.

rain gearlight clothessun protection

Sea temperature near Motozintla 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 68 km away) is warmest in July at about 30°C and coldest in February 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
Jan29Tropical
Feb28Tropical
Mar29Tropical
Apr30Tropical
May30Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Motozintla 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 Motozintla peaks around April 9 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 at about 8 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highApr 9UV 13Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb13Extreme
Mar13Extreme
Apr13Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Motozintla 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 Motozintla is worst in May — around 40 µg/m³ PM2.5 (poor), and holds fairly steady the rest of the year.

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateMay 1039 µg/m³Feb 827 µg/m³
PM2.5 (µg/m³)Level
Jan28Moderate
Feb27Moderate
Mar34Moderate
Apr38Poor
May40Poor
Jun29Moderate
Jul31Moderate
Aug30Moderate
Sep31Moderate
Oct29Moderate
Nov30Moderate
Dec29Moderate
Location & terrain

Where is Motozintla?

Motozintla sits at 15.4°N, 92.2°W, 1,300 m above sea level, in Mexico. The nearest listed city is Huixtla, 34 km away.

Topography around Motozintla

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

Within 3 km, the terrain around Motozintla has large variations in elevation — a maximum elevation change of 971 m around an average of 1,517 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,641 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around Motozintla is covered by shrubs (36%), trees (25%) and grassland (25%) within 3 km, trees (75%) within 16 km, and trees (67%) within 80 km.

3 km
971 m
16 km
2,641 m
80 km
4,178 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetlandmangroves
September weather nearby: Huixtla 34 km · Comalapa 35 km · Cacahoatán 43 km · Tapachula 51 km · Malacatán 54 km · Comitancillo 62 km · San Marcos 66 km · Jacaltenango 66 km

Mexico travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 / 127 V · 60 Hz
Prices
≈ 54% of US
price level, 2025
GDP per capita
$13,889
2025
Happiness
7.0 / 10
World Happiness, 2025
Safe drinking water
43%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
12.8
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Very low
EF EPI 440
Religion
Catholic 78%no religion 11%other Evangelical Churches 8%Jehovah Witness 1%

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 Motozintla (15.3661°, -92.2467°, elevation 1,300 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).