Tecomán weather in September

In September, Tecomán sees average daytime highs of 30°C and overnight lows near 25°C, with 310 mm of rain across 26.2 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 5% of the time in September, and the air most often feels miserable.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Tecomán's 12th-clearest and 8th-windiest month. For the whole year in context, see Tecomán's year-round climate.

Daytime high
30°
6th warmest
Overnight low
25°
9th coldest
Rainfall
310 mm
26.2 wet days
Daylight
12 h 06 min
6:47 AM – 6:53 PM
Cloud cover
81%
12th clearest
Wind
5 km/h
8th windiest
Solar energy
4.64 kWh/m²
Travel score
3.1
out of 10

Tecomán is municipal seat of Tecomán, State of Colima, Mexico.

Density
103/km²
people per km²
Founded
1523

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 30°C through the month.

A typical September day in Tecomán reaches about 30°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 31°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)
13025
23025
33025
43025
53025
63025
73025
83025
93025
103025
113025
123025
133025
143024
153024
163024
173024
183024
193024
203024
213024
223024
233024
243025
253025
263025
273025
283025
293025
303025

How September really feels in Tecomán

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.

Tecomán weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 20°231.4117.3
Feb28° / 20°121.211.47.4
Mar29° / 20°90.611.97.4
Apr29° / 21°10.112.47.0
May30° / 23°91.712.96.2
Jun30° / 25°17217.713.14.0
Jul30° / 25°21724.2133.1
Aug30° / 25°26825.912.63.0
Sep30° / 25°31026.212.13.1
Oct30° / 24°16819.111.64.1
Nov29° / 23°325.111.16.1
Dec29° / 21°121.810.97.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 5% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 83%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11486
21486
31387
41486
51486
61486
71387
81486
91486
101585
111684
121684
131684
141882
151882
161882
171882
181684
191684
201684
211684
221783
231783
241783
251882
262080
272080
282278
292278
302476

Chance of precipitation in September

Any precipitation

Tecomán gets around 310 mm of rain over 26.2 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 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
189
289
389
489
589
689
788
888
988
1088
1187
1287
1387
1487
1587
1687
1787
1887
1987
2087
2187
2287
2387
2487
2586
2686
2785
2885
2984
3083

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 59% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
14555
24555
34654
44654
54654
64654
74654
84654
94555
104555
114456
124456
134357
144357
154258
164258
174159
184060
194060
203961
213961
223862
233862
243763
253664
263664
273664
283664
293565
303664

Wind in September

Winds average 5 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
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
165calm
175calm
185calm
195calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 min at the start of September to 11 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 36 minutes over September. Sunrise moves from 6:44 AM to 6:49 AM, and sunset from 7:07 PM to 6:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:447:07
212.46:447:06
312.36:447:05
412.36:447:04
512.36:457:03
612.36:457:02
712.36:457:01
812.36:457:00
912.26:456:59
1012.26:466:59
1112.26:466:58
1212.26:466:57
1312.26:466:56
1412.16:466:55
1512.16:466:54
1612.16:476:53
1712.16:476:52
1812.16:476:51
1912.16:476:50
2012.06:476:49
2112.06:486:48
2212.06:486:47
2312.06:486:47
2412.06:486:46
2511.96:486:45
2611.96:496:44
2711.96:496:43
2811.96:496:42
2911.96:496:41
3011.86:496:40

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 — the year's lowest.

For context, solar energy here swings from a low near 4.64 kWh/m² to a high of 7.34 kWh/m² in April across the year — September's 4.64 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.7Bright
114.7Bright
124.7Bright
134.7Bright
144.7Bright
154.7Bright
164.7Bright
174.7Bright
184.7Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.6Bright
284.6Bright
294.6Bright
304.6Bright
Planning a trip in September

Hazard calendar for Tecomán

In seasonPeak

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

Tecomán sits in the eastern Pacific hurricane zone; the season peaks August–September.

Tecomán's monsoon runs June–October, when most of the year's rain falls.

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

Is September a good time to visit Tecomán?

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

3.1
Sightseeing
10th-best month of the year
4.1
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Tecomán.

What to pack for Tecomán in September

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

In September, Tecomán sees daytime highs around 30°C and nights near 25°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

Sea temperature near Tecomán 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 offshore is warmest in August at about 30°C and coldest in April near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan28Warm
Feb27Warm
Mar26Warm
Apr26Warm
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec28Tropical

UV index in Tecomán in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Tecomán peaks around May 12 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeExtremeVery highHighMay 12UV 12Dec 14UV 6
UV index (midday)Level
Jan8Very high
Feb10Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun10Extreme
Jul11Extreme
Aug10Very high
Sep11Extreme
Oct9Very high
Nov7High
Dec6High

Air quality in Tecomán 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 Tecomán is worst in May — around 26 µg/m³ PM2.5 (moderate), about 5.0× the cleanest month (February, 5 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1725 µg/m³Feb 165 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb5Good
Mar6Good
Apr14Moderate
May26Moderate
Jun14Moderate
Jul10Good
Aug8Good
Sep7Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Tecomán?

Tecomán sits at 18.9°N, 103.9°W, 28 m above sea level, in Mexico. The nearest listed city is Ciudad de Armería, 9.0 km away.

Topography around Tecomán

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

Within 3 km, the terrain around Tecomán has only modest variations in elevation — a maximum elevation change of 36 m around an average of 36 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 1,170 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,211 m.

The land around Tecomán is covered by artificial surfaces (37%), cropland (25%) and trees (22%) within 3 km, trees (54%) within 16 km, and trees (56%) and water (28%) within 80 km.

3 km
36 m
16 km
1,170 m
80 km
4,211 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Ciudad de Armería 9.0 km · Colima 40 km · Ciudad de Villa de Álvarez 42 km · Manzanillo 54 km · Coalcomán de Vázquez Pallares 77 km · Cihuatlán 81 km · Tuxpan 88 km · Zapotiltic 93 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 Tecomán (18.9161°, -103.8771°, elevation 28 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).