Acaponeta weather in September

In September, Acaponeta sees average daytime highs of 29°C and overnight lows near 22°C, with 357 mm of rain across 28.1 wet days and about 12.1 hours of daylight. It is the 6th-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 5% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Acaponeta's 10th-clearest and 11th-windiest month. For the whole year in context, see Acaponeta's year-round climate.

Daytime high
29°
6th warmest
Overnight low
22°
10th coldest
Rainfall
357 mm
28.1 wet days
Daylight
12 h 06 min
5:52 AM – 6:00 PM
Cloud cover
80%
10th clearest
Wind
4 km/h
11th windiest
Solar energy
4.79 kWh/m²
Travel score
3.0
out of 10

Acaponeta is municipal seat of Acaponeta, State of Nayarit, Mexico.

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 29°C through the month.

A typical September day in Acaponeta reaches about 29°C in the afternoon and slips back to 22°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°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)
12922
22922
32922
42922
52922
62922
72922
82922
92922
102922
112922
122922
132922
142922
152922
162922
172922
182922
192922
202922
212922
222922
232922
242922
252922
262922
272922
282922
292922
302922

How September really feels in Acaponeta

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.

Acaponeta weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan26° / 12°252.110.88.3
Feb27° / 13°181.311.28.3
Mar28° / 13°6111.87.8
Apr30° / 15°10.412.56.6
May31° / 17°61.413.15.6
Jun31° / 21°13514.213.44.0
Jul30° / 22°3692913.22.9
Aug29° / 22°4093012.82.8
Sep29° / 22°35728.112.13.0
Oct29° / 20°12215.411.54.9
Nov28° / 16°232.910.97.5
Dec26° / 13°222.210.68.1

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 12% of September, with mostly cloudy or overcast conditions the remaining 83%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31288
41288
51288
61288
71288
81288
91387
101486
111486
121486
131486
141486
151486
161486
171585
181585
191684
201783
211783
221882
232179
242278
252377
262674
272773
283070
293169
303367

Chance of precipitation in September

Any precipitation

Acaponeta gets around 357 mm of rain over 28.1 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 93% and peaks near 97% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
197
297
397
497
597
696
796
896
996
1096
1196
1295
1395
1495
1595
1694
1794
1894
1993
2093
2192
2292
2391
2490
2589
2688
2787
2885
2984
3083

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 87% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1018811
2018910
3018910
4018910
502899
602899
702899
803889
903889
1003889
1103889
1203889
1303889
1404879
1504879
1604879
17048610
18048610
19048610
20048610
21148510
22148510
23148510
24148510
25148510
26148510
27148510
28158410
29158410
30168310

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 30 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 42 minutes over September. Sunrise moves from 5:47 AM to 5:56 AM, and sunset from 6:15 PM to 5:45 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.55:476:15
212.45:486:14
312.45:486:13
412.45:486:12
512.45:496:11
612.35:496:10
712.35:496:09
812.35:506:08
912.35:506:07
1012.35:506:06
1112.25:506:05
1212.25:516:04
1312.25:516:03
1412.25:516:02
1512.25:526:01
1612.15:526:00
1712.15:525:59
1812.15:535:58
1912.15:535:56
2012.05:535:55
2112.05:535:54
2212.05:545:53
2312.05:545:52
2411.95:545:51
2511.95:555:50
2611.95:555:49
2711.95:555:48
2811.95:565:47
2911.85:565:46
3011.85:565:45

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.79 kWh/m².

For context, solar energy here swings from a low near 4.42 kWh/m² to a high of 7.67 kWh/m² in May across the year — September's 4.79 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.9Bright
24.9Bright
34.9Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Acaponeta

In seasonPeak

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

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

Acaponeta's monsoon runs July–September, 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 Acaponeta?

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

3.0
Sightseeing
10th-best month of the year
4.0
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Acaponeta.

What to pack for Acaponeta in September

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

In September, Acaponeta sees daytime highs around 29°C and nights near 22°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Acaponeta 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 30 km away) is warmest in August at about 30°C and coldest in March near 23°C.

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

25°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Warm
Feb24Refreshing
Mar23Refreshing
Apr24Warm
May26Warm
Jun28Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov28Tropical
Dec25Warm

UV index in Acaponeta 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 Acaponeta peaks around May 13 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 6 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMay 13UV 12Dec 18UV 6
UV index (midday)Level
Jan6High
Feb9Very high
Mar11Extreme
Apr12Extreme
May13Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep11Extreme
Oct9Very high
Nov7High
Dec6High

Air quality in Acaponeta 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 Acaponeta is worst in May — around 39 µg/m³ PM2.5 (poor), about 7.2× the cleanest month (January, 5 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodMay 1837 µg/m³Jan 155 µg/m³
PM2.5 (µg/m³)Level
Jan5Good
Feb6Good
Mar9Good
Apr16Moderate
May39Poor
Jun25Moderate
Jul9Good
Aug8Good
Sep9Good
Oct7Good
Nov6Good
Dec6Good
Location & terrain

Where is Acaponeta?

Acaponeta sits at 22.5°N, 105.4°W, 39 m above sea level, in Mexico. The nearest listed city is Escuinapa de Hidalgo, 57 km away.

Topography around Acaponeta

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

Within 3 km, the terrain around Acaponeta has only modest variations in elevation — a maximum elevation change of 106 m around an average of 32 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 719 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,514 m.

The land around Acaponeta is covered by cropland (39%) and trees (27%) within 3 km, trees (51%) and cropland (33%) within 16 km, and trees (53%) and water (20%) within 80 km.

3 km
106 m
16 km
719 m
80 km
2,514 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Escuinapa de Hidalgo 57 km · Tuxpan 61 km · El Rosario 75 km · Santiago Ixcuintla 77 km · Pueblo Nuevo 99 km · Tepic 119 km · Xalisco 126 km · Mazatlan 136 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 Acaponeta (22.4905°, -105.3607°, elevation 39 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).