Ixtlán del Río weather in September

In September, Ixtlán del Río sees average daytime highs of 28°C and overnight lows near 18°C, with 203 mm of rain across 23.2 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 3rd-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 9% of the time in September, and the air most often feels humid.

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 Ixtlán del Río's 12th-clearest and 10th-windiest month. For the whole year in context, see Ixtlán del Río's year-round climate.

Daytime high
28°
7th warmest
Overnight low
18°
12th coldest
Rainfall
203 mm
23.2 wet days
Daylight
12 h 06 min
5:48 AM – 5:55 PM
Cloud cover
76%
12th clearest
Wind
5 km/h
10th windiest
Solar energy
5.2 kWh/m²
Travel score
4.0
out of 10

Ixtlán del Río is municipal seat of Ixtlán, 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 28°C through the month.

A typical September day in Ixtlán del Río reaches about 28°C in the afternoon and slips back to 18°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12818
22818
32818
42818
52818
62818
72818
82818
92818
102818
112818
122818
132818
142818
152818
162818
172818
182818
192818
202818
212818
222818
232818
242818
252818
262818
272818
282818
292818
302818

How September really feels in Ixtlán del Río

Once humidity and wind are folded in, September averages 0 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
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Ixtlán del Río weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 19210.98.4
Feb27° / 10°151.711.38.1
Mar29° / 11°60.911.97.0
Apr31° / 13°40.812.55.7
May32° / 15°113134.6
Jun31° / 18°15817.613.33.7
Jul29° / 18°24626.113.23.5
Aug28° / 18°23827.212.73.5
Sep28° / 18°20323.212.14.0
Oct28° / 16°7610.711.56.1
Nov27° / 13°142.3118.1
Dec26° / 10°131.810.78.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 77%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11981
21981
31981
42179
52278
62278
72278
82278
92278
102278
112377
122377
132377
142377
152377
162377
172278
182278
192278
202278
212278
222377
232377
242476
252575
262773
272872
282971
293169
303367

Chance of precipitation in September

Any precipitation

Ixtlán del Río gets around 203 mm of rain over 23.2 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 76% and peaks near 87% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
187
287
386
486
585
685
784
883
982
1082
1181
1280
1379
1478
1577
1677
1776
1875
1974
2073
2173
2271
2370
2469
2567
2666
2764
2863
2962
3060

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 49% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)
1004753
2004753
3004852
4014950
5014950
6015049
7015049
8015148
9015148
10015247
11015247
12015247
13015247
14015148
15015148
16015148
17025049
18024949
19024949
20024849
21034849
22144848
23144847
24154746
25264745
26274843
27284842
28294940
29395038
303105136

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
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
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 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 5:44 AM to 5:52 AM, and sunset from 6:10 PM to 5:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:446:10
212.45:456:09
312.45:456:08
412.45:456:07
512.35:466:06
612.35:466:05
712.35:466:04
812.35:466:03
912.35:476:02
1012.25:476:01
1112.25:476:00
1212.25:475:59
1312.25:475:58
1412.25:485:57
1512.15:485:56
1612.15:485:55
1712.15:485:54
1812.15:495:53
1912.15:495:52
2012.05:495:51
2112.05:495:50
2212.05:505:49
2312.05:505:48
2412.05:505:47
2511.95:515:46
2611.95:515:46
2711.95:515:45
2811.95:515:44
2911.95:525:43
3011.85:525:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.2 kWh/m².

For context, solar energy here swings from a low near 4.63 kWh/m² to a high of 7.54 kWh/m² in May across the year — September's 5.2 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.2Bright
165.2Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for Ixtlán del Río

In seasonPeak

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

Ixtlán del Río's monsoon runs June–September, 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 Ixtlán del Río?

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

4.0
Sightseeing
9th-best month of the year
4.7
Beach & pool
10th-best month of the year

September is a reasonable time to visit Ixtlán del Río for sightseeing.

What to pack for Ixtlán del Río in September

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

In September, Ixtlán del Río sees daytime highs around 28°C and nights near 18°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

UV index in Ixtlán del Río 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 Ixtlán del Río peaks around May 10 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 at about 7 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecVery highExtremeVery highHighMay 10UV 13Dec 17UV 7
UV index (midday)Level
Jan7Very high
Feb10Very high
Mar12Extreme
Apr13Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7Very high
Dec7High

Air quality in Ixtlán del Río 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 Ixtlán del Río is worst in May — around 40 µg/m³ PM2.5 (poor), about 6.2× the cleanest month (January, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateModerateGoodMay 1737 µg/m³Jan 187 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb7Good
Mar10Good
Apr17Moderate
May40Poor
Jun18Moderate
Jul10Good
Aug10Good
Sep10Good
Oct8Good
Nov7Good
Dec7Good
Location & terrain

Where is Ixtlán del Río?

Ixtlán del Río sits at 21.0°N, 104.4°W, 1,081 m above sea level, in Mexico. The nearest listed city is Magdalena, 43 km away.

Topography around Ixtlán del Río

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

Within 3 km, the terrain around Ixtlán del Río has significant variations in elevation — a maximum elevation change of 505 m around an average of 1,142 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,879 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,878 m.

The land around Ixtlán del Río is covered by grassland (28%) and trees (23%) within 3 km, trees (60%) within 16 km, and trees (63%) within 80 km.

3 km
505 m
16 km
1,879 m
80 km
2,878 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Magdalena 43 km · Ahualulco de Mercado 55 km · Tequila 58 km · Compostela 60 km · Ameca 64 km · Xalisco 71 km · Tepic 76 km · El Salto 79 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 Ixtlán del Río (21.0351°, -104.3688°, elevation 1,081 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. 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).