Libres weather in September

In September, Libres sees average daytime highs of 20°C and overnight lows near 11°C, with 148 mm of rain across 20.2 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 8% of the time in September, and the air most often feels dry.

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 Libres's 12th-clearest and 8th-windiest month. For the whole year in context, see Libres's year-round climate.

Daytime high
20°
7th warmest
Overnight low
11°
11th coldest
Rainfall
148 mm
20.2 wet days
Daylight
12 h 06 min
6:22 AM – 6:28 PM
Cloud cover
77%
12th clearest
Wind
6 km/h
8th windiest
Solar energy
5.06 kWh/m²
Travel score
4.7
out of 10

Libres is municipal seat of Libres, State of Puebla, 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 20°C through the month.

A typical September day in Libres reaches about 20°C in the afternoon and slips back to 11°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 23°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12111
22111
32111
42011
52011
62011
72011
82011
92011
102011
112011
122011
132011
142011
152011
162011
172011
182011
192011
202011
212011
222011
232011
242010
252010
262010
272010
282010
292010
302010

Libres weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 133117.2
Feb20° / 143.311.37.6
Mar22° / 34811.97.2
Apr22° / 6712.712.46.4
May22° / 10°10216.912.95.8
Jun21° / 11°14518.913.25.1
Jul21° / 10°10416.813.15.3
Aug21° / 10°12118.812.75.1
Sep20° / 11°14820.212.14.7
Oct19° / 8111.911.65.8
Nov19° / 296.711.16.7
Dec18° / 102.310.87.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 8% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 13% of September, with mostly cloudy or overcast conditions the remaining 79%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12179
22080
32080
41981
51981
61981
71981
81882
91882
101882
111882
122080
132080
141981
152080
162080
172179
182179
192080
202179
212179
222278
232377
242377
252377
262476
272575
282575
292575
302674

Chance of precipitation in September

Any precipitation

Libres gets around 148 mm of rain over 20.2 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 65% and peaks near 71% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
168
269
369
470
570
671
771
870
970
1070
1169
1268
1367
1467
1566
1666
1765
1865
1964
2064
2163
2263
2362
2462
2561
2660
2760
2859
2958
3057

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the dry band about 92% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1937
2937
3937
4928
5928
6928
7919
8919
9919
10919
11919
12919
13919
14919
15928
16928
17928
18928
19928
20928
21937
22937
23937
24937
25937
26946
27946
28946
29946
30946

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 7 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
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

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 6:19 AM to 6:25 AM, and sunset from 6:42 PM to 6:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.46:196:42
212.46:196:41
312.46:196:40
412.36:196:39
512.36:206:39
612.36:206:38
712.36:206:37
812.36:206:36
912.26:206:35
1012.26:216:34
1112.26:216:33
1212.26:216:32
1312.26:216:31
1412.16:216:30
1512.16:226:29
1612.16:226:28
1712.16:226:27
1812.16:226:26
1912.16:226:26
2012.06:236:25
2112.06:236:24
2212.06:236:23
2312.06:236:22
2412.06:236:21
2511.96:246:20
2611.96:246:19
2711.96:246:18
2811.96:246:17
2911.96:256:16
3011.86:256:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.06 kWh/m².

For context, solar energy here swings from a low near 4.54 kWh/m² to a high of 6.55 kWh/m² in April across the year — September's 5.06 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.2Bright
95.2Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.1Bright
175.1Bright
185.1Bright
195.0Bright
205.0Bright
215.0Bright
225.0Bright
235.0Bright
245.0Bright
255.0Bright
264.9Bright
274.9Bright
284.9Bright
294.9Bright
304.9Bright
Planning a trip in September

Hazard calendar for Libres

In seasonPeak

In September, Libres sits inside its rainy season season. The full year is below, with each hazard's peak months called out.

Libres's rainy season runs April–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Libres?

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

4.7
Sightseeing
12th-best month of the year
2.5
Beach & pool
11th-best month of the year

September is a reasonable time to visit Libres for sightseeing.

What to pack for Libres in September

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

In September, Libres sees daytime highs around 20°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 20 days see rain.

rain gearsun protection

UV index in Libres in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Libres peaks around April 12 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 16 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 12UV 15Dec 16UV 8
UV index (midday)Level
Jan9Very high
Feb12Extreme
Mar14Extreme
Apr15Extreme
May10Very high
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep13Extreme
Oct11Extreme
Nov9Very high
Dec8Very high

Air quality in Libres 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 Libres is worst in May — around 69 µg/m³ PM2.5 (unhealthy), about 1.9× the cleanest month (October, 38 µg/m³).

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

020406080JanFebMarAprMayJunJulAugSepOctNovDecPoorUnhealthyPoorUnhealthyMay 1268 µg/m³Oct 1138 µg/m³
PM2.5 (µg/m³)Level
Jan53Poor
Feb54Poor
Mar56Unhealthy
Apr63Unhealthy
May69Unhealthy
Jun48Poor
Jul41Poor
Aug38Poor
Sep39Poor
Oct38Poor
Nov49Poor
Dec59Unhealthy
Location & terrain

Where is Libres?

Libres sits at 19.5°N, 97.7°W, 2,394 m above sea level, in Mexico. The nearest listed city is Huamantla, 30 km away.

Topography around Libres

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

Within 3 km, the terrain around Libres has only modest variations in elevation — a maximum elevation change of 240 m around an average of 2,410 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,299 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,479 m.

The land around Libres is covered by cropland (52%) within 3 km, cropland (40%), trees (21%) and grassland (21%) within 16 km, and trees (43%) and cropland (26%) within 80 km.

3 km
240 m
16 km
1,299 m
80 km
5,479 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Huamantla 30 km · Zaragoza 37 km · San Salvador El Seco 37 km · Tetla 44 km · Perote 48 km · Apizaco 48 km · Acajete 48 km · Teziutlan 52 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 Libres (19.4657°, -97.6874°, elevation 2,394 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).