Pinotepa Nacional weather in September

In September, Pinotepa Nacional sees average daytime highs of 29°C and overnight lows near 24°C, with 322 mm of rain across 27.6 wet days and about 12.1 hours of daylight. It is the 12th-warmest and 1st-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 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 Pinotepa Nacional's 12th-clearest and 9th-windiest month. For the whole year in context, see Pinotepa Nacional's year-round climate.

Daytime high
29°
12th warmest
Overnight low
24°
8th coldest
Rainfall
322 mm
27.6 wet days
Daylight
12 h 06 min
6:24 AM – 6:29 PM
Cloud cover
84%
12th clearest
Wind
6 km/h
9th windiest
Solar energy
4.89 kWh/m²
Travel score
3.1
out of 10

Pinotepa Nacional is municipal seat of Pinotepa Nacional, State of Oaxaca, 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 Pinotepa Nacional reaches about 29°C in the afternoon and slips back to 24°C overnight — a 5°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°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)
12925
22925
32924
42924
52924
62924
72924
82924
92924
102924
112924
122924
132924
142924
152924
162924
172924
182924
192924
202924
212924
222924
232924
242924
252924
262924
272924
282924
292924
302924

How September really feels in Pinotepa Nacional

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.

Pinotepa Nacional weather by month

How September compares with the rest of the year at a glance. September is the 12th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan30° / 23°41.211.16.9
Feb30° / 23°40.811.56.8
Mar30° / 23°40.611.96.6
Apr31° / 24°51.312.46.0
May31° / 25°711212.84.5
Jun30° / 25°26024.3133.3
Jul30° / 25°2042512.93.3
Aug30° / 25°27827.312.53.1
Sep29° / 24°32227.612.13.1
Oct29° / 24°17921.211.64.0
Nov30° / 24°396.811.25.9
Dec30° / 23°61.5116.8

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 11% of September, with mostly cloudy or overcast conditions the remaining 84%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11783
21783
31783
41783
51783
61684
71684
81684
91684
101684
111585
121585
131585
141585
151585
161585
171486
181486
191486
201486
211486
221486
231486
241585
251684
261684
271783
281783
292080
302080

Chance of precipitation in September

Any precipitation

Pinotepa Nacional gets around 322 mm of rain over 27.6 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 91% and peaks near 92% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
191
291
391
491
591
691
791
891
991
1091
1191
1291
1391
1491
1591
1691
1791
1892
1992
2092
2192
2292
2392
2492
2591
2691
2790
2889
2988
3088

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
18713
28713
38812
48812
58812
68812
78713
88713
98614
108614
118614
128515
138515
148515
158515
168515
178515
188515
198515
208515
218515
228614
238614
248614
258614
268614
278614
288515
298515
308515

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 6:22 AM to 6:25 AM, and sunset from 6:42 PM to 6:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.36:226:42
212.36:226:41
312.36:226:40
412.36:236:39
512.36:236:38
612.26:236:38
712.26:236:37
812.26:236:36
912.26:236:35
1012.26:236:34
1112.26:236:33
1212.26:236:33
1312.16:246:32
1412.16:246:31
1512.16:246:30
1612.16:246:29
1712.16:246:28
1812.16:246:28
1912.06:246:27
2012.06:246:26
2112.06:246:25
2212.06:246:24
2312.06:256:23
2412.06:256:23
2511.96:256:22
2611.96:256:21
2711.96:256:20
2811.96:256:19
2911.96:256:18
3011.96:256:18

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.89 kWh/m² — the year's lowest.

For context, solar energy here swings from a low near 4.89 kWh/m² to a high of 7.16 kWh/m² in April across the year — September's 4.89 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.2Bright
25.2Bright
35.2Bright
45.1Bright
55.1Bright
65.1Bright
75.1Bright
85.1Bright
95.0Bright
105.0Bright
115.0Bright
125.0Bright
135.0Bright
144.9Bright
154.9Bright
164.9Bright
174.9Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Hazard calendar for Pinotepa Nacional

In seasonPeak

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

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

Pinotepa Nacional'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 Pinotepa Nacional?

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

3.1
Sightseeing
11th-best month of the year
4.0
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Pinotepa Nacional.

What to pack for Pinotepa Nacional in September

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

In September, Pinotepa Nacional sees daytime highs around 29°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 28 days see rain.

light clothesrain gearsun protection

Sea temperature near Pinotepa Nacional 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 25 km away) is warmest in July at about 30°C and coldest in March 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
Jan28Tropical
Feb28Tropical
Mar28Tropical
Apr28Tropical
May29Tropical
Jun30Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov30Tropical
Dec29Tropical

UV index in Pinotepa Nacional 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 Pinotepa Nacional peaks around April 10 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 12Dec 14UV 8
UV index (midday)Level
Jan9Very high
Feb11Extreme
Mar12Extreme
Apr12Extreme
May10Very high
Jun11Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov8Very high
Dec8Very high

Air quality in Pinotepa Nacional 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 Pinotepa Nacional is worst in May — around 48 µg/m³ PM2.5 (poor), about 6.0× the cleanest month (January, 8 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModeratePoorModerateGoodMay 1446 µg/m³Jan 148 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar19Moderate
Apr35Moderate
May48Poor
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep14Moderate
Oct11Good
Nov9Good
Dec9Good
Location & terrain

Where is Pinotepa Nacional?

Pinotepa Nacional sits at 16.3°N, 98.1°W, 211 m above sea level, in Mexico. The nearest listed city is Ometepec, 54 km away.

Topography around Pinotepa Nacional

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

Within 3 km, the terrain around Pinotepa Nacional has significant variations in elevation — a maximum elevation change of 295 m around an average of 216 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 837 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,929 m.

The land around Pinotepa Nacional is covered by grassland (40%) and trees (38%) within 3 km, trees (58%) and grassland (37%) within 16 km, and trees (48%), water (28%) and grassland (20%) within 80 km.

3 km
295 m
16 km
837 m
80 km
2,929 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Ometepec 54 km · Heroica Ciudad de Tlaxiaco 111 km · Puerto Escondido 118 km · Ayutla de los Libres 131 km · Tlapa de Comonfort 145 km · Ocotlán de Morelos 155 km · Miahuatlán de Porfirio Díaz 155 km · Santa Cruz Xoxocotlán 160 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 Pinotepa Nacional (16.3401°, -98.053°, elevation 211 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).