Xalisco weather in September

In September, Xalisco sees average daytime highs of 29°C and overnight lows near 22°C, with 357 mm of rain across 28.5 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 2nd-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 3% of the time in September, and the air most often feels oppressive.

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 Xalisco's 12th-clearest and 11th-windiest month. For the whole year in context, see Xalisco's year-round climate.

Daytime high
29°
6th warmest
Overnight low
22°
11th coldest
Rainfall
357 mm
28.5 wet days
Daylight
12 h 06 min
5:50 AM – 5:58 PM
Cloud cover
83%
12th clearest
Wind
4 km/h
11th windiest
Solar energy
4.59 kWh/m²
Travel score
3.1
out of 10

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 Xalisco 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 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)
12922
22922
32922
42922
52922
62822
72822
82822
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 Xalisco

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.

Xalisco weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan25° / 14°303.210.88.2
Feb26° / 14°272.311.38.2
Mar27° / 14°101.511.88.2
Apr29° / 15°4112.57.4
May30° / 18°132.4136.4
Jun29° / 21°17015.513.34.6
Jul29° / 22°32929.113.23.1
Aug29° / 22°3933012.73.0
Sep29° / 22°35728.512.13.1
Oct29° / 21°14416.411.54.9
Nov28° / 17°364.9117.4
Dec26° / 15°32310.78.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 3% 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 85%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11189
21189
31189
41189
51189
61288
71288
81288
91288
101288
111387
121387
131387
141387
151387
161387
171387
181387
191387
201387
211585
221585
231684
241783
251882
262179
272278
282377
292674
302872

Chance of precipitation in September

Any precipitation

Xalisco gets around 357 mm of rain over 28.5 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 94% and peaks near 98% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
198
298
398
498
597
697
797
897
997
1096
1196
1296
1396
1495
1595
1695
1795
1895
1994
2094
2194
2293
2392
2491
2590
2689
2788
2887
2985
3084

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
11972
21972
31981
42971
52971
62971
72971
83961
93961
103961
114951
124951
134951
144951
154951
164951
174942
184942
195932
205932
215932
225923
235923
245923
255923
265923
275923
286913
296913
306913

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 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 5:46 AM to 5:54 AM, and sunset from 6:12 PM to 5:44 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:466:12
212.45:476:11
312.45:476:10
412.45:476:09
512.45:476:08
612.35:486:07
712.35:486:07
812.35:486:06
912.35:486:05
1012.25:496:04
1112.25:496:03
1212.25:496:02
1312.25:506:01
1412.25:506:00
1512.15:505:59
1612.15:505:58
1712.15:515:57
1812.15:515:56
1912.15:515:55
2012.05:515:54
2112.05:525:53
2212.05:525:52
2312.05:525:51
2412.05:525:50
2511.95:535:49
2611.95:535:48
2711.95:535:47
2811.95:545:46
2911.85:545:45
3011.85:545:44

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.59 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 7.54 kWh/m² in May across the year — September's 4.59 kWh/m² sits near the bottom.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.7Bright
44.7Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.6Bright
154.6Bright
164.6Bright
174.6Bright
184.6Bright
194.6Bright
204.6Bright
214.6Bright
224.6Bright
234.6Bright
244.6Bright
254.6Bright
264.6Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Xalisco

In seasonPeak

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

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

Xalisco'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 Xalisco?

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
3.9
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in Xalisco.

What to pack for Xalisco in September

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

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

light clothesrain gearsun protection

Sea temperature near Xalisco 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 50 km away) is warmest in August at about 30°C and coldest in March near 24°C.

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

22°24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan25Warm
Feb25Warm
Mar24Warm
Apr25Warm
May27Warm
Jun29Tropical
Jul30Tropical
Aug30Tropical
Sep30Tropical
Oct30Tropical
Nov28Tropical
Dec26Warm

UV index in Xalisco 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 Xalisco peaks around May 10 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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 10UV 12Dec 17UV 6
UV index (midday)Level
Jan7High
Feb10Very high
Mar11Extreme
Apr12Extreme
May13Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in Xalisco 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 Xalisco is worst in May — around 29 µg/m³ PM2.5 (moderate), about 3.5× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodMay 1927 µg/m³Nov 208 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb8Good
Mar9Good
Apr13Moderate
May29Moderate
Jun21Moderate
Jul10Good
Aug9Good
Sep9Good
Oct9Good
Nov8Good
Dec8Good
Location & terrain

Where is Xalisco?

Xalisco sits at 21.4°N, 104.9°W, 984 m above sea level, in Mexico. The nearest listed city is Tepic, 7.0 km away.

Topography around Xalisco

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

Within 3 km, the terrain around Xalisco has significant variations in elevation — a maximum elevation change of 357 m around an average of 1,031 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,819 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,523 m.

The land around Xalisco is covered by cropland (35%), trees (21%) and artificial surfaces (21%) within 3 km, trees (64%) within 16 km, and trees (60%) within 80 km.

3 km
357 m
16 km
1,819 m
80 km
2,523 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwatermangroves
September weather nearby: Tepic 7.0 km · Compostela 23 km · Santiago Ixcuintla 52 km · Tuxpan 69 km · Ixtlán del Río 71 km · San José del Valle 83 km · Sayulita 85 km · Ixtapa 87 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 Xalisco (21.4446°, -104.8998°, elevation 984 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).