Tehuacán weather in September

In September, Tehuacán sees average daytime highs of 24°C and overnight lows near 14°C, with 121 mm of rain across 15.3 wet days and about 12.1 hours of daylight. It is the 7th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 24°C through the month. The sky is clear or mostly clear about 11% of the time in September, and the air most often feels comfortable.

Daylight stretches from about 12 h 24 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Tehuacán's 12th-clearest and 10th-windiest month. For the whole year in context, see Tehuacán's year-round climate.

Daytime high: 24°; 7th warmest
Overnight low: 14°; 10th coldest
Rainfall: 121 mm; 15.3 wet days
Daylight: 12 h 06 min; 6:21 AM – 6:27 PM
Cloud cover: 75%; 12th clearest
Wind: 8 km/h; 10th windiest
Solar energy: 5.35 kWh/m²
Travel score: 5.9; out of 10

Tehuacán is municipal seat of Tehuacán, State of Puebla, Mexico.

Density: 449/km²; people per km²
Founded: 1660

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Tehuacán year-round climate October →Best places to visit in September

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 24°C through the month.

A typical September day in Tehuacán reaches about 24°C in the afternoon and slips back to 14°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 21°C and 26°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24	24
Avg low (°C)	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	14	13	13	13	13

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	24	14
9	24	14
10	24	14
11	24	14
12	24	14
13	24	14
14	24	14
15	24	14
16	24	14
17	24	14
18	24	14
19	24	14
20	24	14
21	24	14
22	24	14
23	24	14
24	24	14
25	24	14
26	24	14
27	24	13
28	24	13
29	24	13
30	24	13

Tehuacán weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	21° / 8°	7	1.5	11	8.2
Feb	23° / 9°	8	1.8	11.4	8.6
Mar	25° / 11°	19	4.7	11.9	8.2
Apr	26° / 13°	49	8.6	12.4	7.0
May	26° / 14°	100	15.3	12.9	6.0
Jun	24° / 14°	143	16.2	13.1	5.8
Jul	24° / 13°	74	10.1	13	6.7
Aug	25° / 13°	83	12.2	12.6	6.4
Sep	24° / 14°	121	15.3	12.1	5.9
Oct	24° / 12°	65	10.4	11.6	6.8
Nov	23° / 10°	16	3.9	11.1	7.9
Dec	22° / 8°	6	1.3	10.9	8.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 11% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 73%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	29	28	28	27	27	27	28	28	28	28	28	28	28	28	28	26	26	26	26	26	26	24	25	25	25	26	26	26	27	27
Cloudier (%)	71	72	72	73	73	73	72	72	72	72	72	72	72	72	72	74	74	74	74	74	74	76	75	75	75	74	74	74	73	73

	Clearer (%)	Cloudier (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	27	73
7	28	72
8	28	72
9	28	72
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	28	72
16	26	74
17	26	74
18	26	74
19	26	74
20	26	74
21	26	74
22	24	76
23	25	75
24	25	75
25	25	75
26	26	74
27	26	74
28	26	74
29	27	73
30	27	73

Chance of precipitation in September

Any precipitation

Tehuacán gets around 121 mm of rain over 15.3 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 50% and peaks near 53% on the wettest days.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	51	52	52	53	53	53	53	53	53	52	52	51	50	50	49	49	48	48	48	48	48	48	48	48	48	48	48	49	49	49

	Rain chance (%)
1	51
2	52
3	52
4	53
5	53
6	53
7	53
8	53
9	53
10	52
11	52
12	51
13	50
14	50
15	49
16	49
17	48
18	48
19	48
20	48
21	48
22	48
23	48
24	48
25	48
26	48
27	48
28	49
29	49
30	49

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the comfortable band about 52% of days. It rarely turns muggy — the humid and sticky bands barely register.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Dry (%)	50	49	48	47	47	46	46	45	45	45	45	45	45	45	45	45	45	45	45	45	46	46	46	47	48	48	49	49	49	50
Comfortable (%)	49	50	51	52	51	52	52	53	53	53	53	53	53	53	53	53	53	53	53	53	52	52	52	51	50	51	50	50	50	49
Humid (%)	1	1	1	1	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	2	1	1	1	1	1

	Dry (%)	Comfortable (%)	Humid (%)
1	50	49	1
2	49	50	1
3	48	51	1
4	47	52	1
5	47	51	2
6	46	52	2
7	46	52	2
8	45	53	2
9	45	53	2
10	45	53	2
11	45	53	2
12	45	53	2
13	45	53	2
14	45	53	2
15	45	53	2
16	45	53	2
17	45	53	2
18	45	53	2
19	45	53	2
20	45	53	2
21	46	52	2
22	46	52	2
23	46	52	2
24	47	51	2
25	48	50	2
26	48	51	1
27	49	50	1
28	49	50	1
29	49	50	1
30	50	49	1

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8	8
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	8	calm
2	8	calm
3	8	calm
4	8	calm
5	8	calm
6	8	calm
7	8	calm
8	8	calm
9	8	calm
10	8	calm
11	8	calm
12	8	calm
13	8	calm
14	8	calm
15	8	calm
16	8	calm
17	8	calm
18	8	calm
19	8	calm
20	8	calm
21	8	calm
22	8	calm
23	8	calm
24	8	calm
25	8	calm
26	8	calm
27	8	calm
28	8	calm
29	8	calm
30	8	calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 24 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 30 minutes over September. Sunrise moves from 6:18 AM to 6:23 AM, and sunset from 6:40 PM to 6:14 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.4	12.4	12.3	12.3	12.3	12.3	12.3	12.2	12.2	12.2	12.2	12.2	12.2	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	11.9	11.9	11.9	11.9	11.9	11.9
Sunrise (AM)	6:18	6:18	6:19	6:19	6:19	6:19	6:19	6:19	6:20	6:20	6:20	6:20	6:20	6:20	6:21	6:21	6:21	6:21	6:21	6:21	6:22	6:22	6:22	6:22	6:22	6:23	6:23	6:23	6:23	6:23
Sunset (PM)	6:40	6:39	6:39	6:38	6:37	6:36	6:35	6:34	6:33	6:32	6:32	6:31	6:30	6:29	6:28	6:27	6:26	6:25	6:24	6:23	6:22	6:22	6:21	6:20	6:19	6:18	6:17	6:16	6:15	6:14

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.4	6:18	6:40
2	12.4	6:18	6:39
3	12.3	6:19	6:39
4	12.3	6:19	6:38
5	12.3	6:19	6:37
6	12.3	6:19	6:36
7	12.3	6:19	6:35
8	12.2	6:19	6:34
9	12.2	6:20	6:33
10	12.2	6:20	6:32
11	12.2	6:20	6:32
12	12.2	6:20	6:31
13	12.2	6:20	6:30
14	12.1	6:20	6:29
15	12.1	6:21	6:28
16	12.1	6:21	6:27
17	12.1	6:21	6:26
18	12.1	6:21	6:25
19	12.0	6:21	6:24
20	12.0	6:21	6:23
21	12.0	6:22	6:22
22	12.0	6:22	6:22
23	12.0	6:22	6:21
24	12.0	6:22	6:20
25	11.9	6:22	6:19
26	11.9	6:23	6:18
27	11.9	6:23	6:17
28	11.9	6:23	6:16
29	11.9	6:23	6:15
30	11.9	6:23	6:14

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.35 kWh/m².

For context, solar energy here swings from a low near 4.88 kWh/m² to a high of 7.1 kWh/m² in April across the year — September's 5.35 kWh/m² falls in the middle.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.7	5.7	5.7	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.4	5.4	5.3	5.3	5.3	5.3	5.3	5.3	5.2	5.2	5.2	5.2	5.2	5.2	5.2
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.7	Bright
2	5.7	Bright
3	5.7	Bright
4	5.6	Bright
5	5.6	Bright
6	5.6	Bright
7	5.5	Bright
8	5.5	Bright
9	5.5	Bright
10	5.5	Bright
11	5.5	Bright
12	5.5	Bright
13	5.4	Bright
14	5.4	Bright
15	5.4	Bright
16	5.4	Bright
17	5.4	Bright
18	5.3	Bright
19	5.3	Bright
20	5.3	Bright
21	5.3	Bright
22	5.3	Bright
23	5.3	Bright
24	5.2	Bright
25	5.2	Bright
26	5.2	Bright
27	5.2	Bright
28	5.2	Bright
29	5.2	Bright
30	5.2	Bright

Planning a trip in September

Hazard calendar for Tehuacán

In seasonPeak

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

Tehuacán's rainy season runs May–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 Tehuacán?

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

5.9

Sightseeing

11th-best month of the year

5.0

Beach & pool

12th-best month of the year

September is a reasonable time to visit Tehuacán for sightseeing.

What to pack for Tehuacán in September

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

In September, Tehuacán sees daytime highs around 24°C and nights near 14°C. Pack rain gear. Worth having: light clothes and sun protection. About 15 days see rain.

rain gearlight clothessun protection

UV index in Tehuacán 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 Tehuacán peaks around April 12 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	9	12	13	15	9	13	12	14	13	11	9	8
Level	Very high	Extreme	Extreme	Extreme	Very high	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	9	Very high
Feb	12	Extreme
Mar	13	Extreme
Apr	15	Extreme
May	9	Very high
Jun	13	Extreme
Jul	12	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	11	Extreme
Nov	9	Very high
Dec	8	Very high

Air quality in Tehuacán 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 Tehuacán is worst in May — around 38 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (January, 20 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	20	20	23	29	38	30	25	22	25	22	22	23
Level	Moderate	Moderate	Moderate	Moderate	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	20	Moderate
Feb	20	Moderate
Mar	23	Moderate
Apr	29	Moderate
May	38	Poor
Jun	30	Moderate
Jul	25	Moderate
Aug	22	Moderate
Sep	25	Moderate
Oct	22	Moderate
Nov	22	Moderate
Dec	23	Moderate

Location & terrain

Where is Tehuacán?

Tehuacán sits at 18.5°N, 97.4°W, 1,643 m above sea level, in Mexico. The nearest listed city is Altepexi, 15 km away.

Topography around Tehuacán

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

Within 3 km, the terrain around Tehuacán has significant variations in elevation — a maximum elevation change of 258 m around an average of 1,632 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,750 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,498 m.

The land around Tehuacán is covered by artificial surfaces (77%) within 3 km, shrubs (63%) within 16 km, and shrubs (47%) and trees (31%) within 80 km.

3 km

258 m

artificial surfaces 77%

16 km

1,750 m

shrubs 63%

80 km

5,498 m

shrubs 47%

treesshrubsgrasslandcroplandartificial surfacesbare terrain

← August Tehuacán year-round climate October →Best places to visit in September

September weather nearby: Altepexi 15 km · Ajalpan 17 km · Zinacatepec 21 km · Ciudad Mendoza 44 km · Nogales 47 km · Río Blanco 48 km · Orizaba 53 km · Palmarito Tochapan 55 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

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 Tehuacán (18.4642°, -97.3974°, elevation 1,643 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).

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	24	14
9	24	14
10	24	14
11	24	14
12	24	14
13	24	14
14	24	14
15	24	14
16	24	14
17	24	14
18	24	14
19	24	14
20	24	14
21	24	14
22	24	14
23	24	14
24	24	14
25	24	14
26	24	14
27	24	13
28	24	13
29	24	13
30	24	13

	Clearer (%)	Cloudier (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	27	73
7	28	72
8	28	72
9	28	72
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	28	72
16	26	74
17	26	74
18	26	74
19	26	74
20	26	74
21	26	74
22	24	76
23	25	75
24	25	75
25	25	75
26	26	74
27	26	74
28	26	74
29	27	73
30	27	73

	Rain chance (%)
1	51
2	52
3	52
4	53
5	53
6	53
7	53
8	53
9	53
10	52
11	52
12	51
13	50
14	50
15	49
16	49
17	48
18	48
19	48
20	48
21	48
22	48
23	48
24	48
25	48
26	48
27	48
28	49
29	49
30	49

	Dry (%)	Comfortable (%)	Humid (%)
1	50	49	1
2	49	50	1
3	48	51	1
4	47	52	1
5	47	51	2
6	46	52	2
7	46	52	2
8	45	53	2
9	45	53	2
10	45	53	2
11	45	53	2
12	45	53	2
13	45	53	2
14	45	53	2
15	45	53	2
16	45	53	2
17	45	53	2
18	45	53	2
19	45	53	2
20	45	53	2
21	46	52	2
22	46	52	2
23	46	52	2
24	47	51	2
25	48	50	2
26	48	51	1
27	49	50	1
28	49	50	1
29	49	50	1
30	50	49	1

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	24	14
9	24	14
10	24	14
11	24	14
12	24	14
13	24	14
14	24	14
15	24	14
16	24	14
17	24	14
18	24	14
19	24	14
20	24	14
21	24	14
22	24	14
23	24	14
24	24	14
25	24	14
26	24	14
27	24	13
28	24	13
29	24	13
30	24	13

	Clearer (%)	Cloudier (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	27	73
7	28	72
8	28	72
9	28	72
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	28	72
16	26	74
17	26	74
18	26	74
19	26	74
20	26	74
21	26	74
22	24	76
23	25	75
24	25	75
25	25	75
26	26	74
27	26	74
28	26	74
29	27	73
30	27	73

	Rain chance (%)
1	51
2	52
3	52
4	53
5	53
6	53
7	53
8	53
9	53
10	52
11	52
12	51
13	50
14	50
15	49
16	49
17	48
18	48
19	48
20	48
21	48
22	48
23	48
24	48
25	48
26	48
27	48
28	49
29	49
30	49

	Dry (%)	Comfortable (%)	Humid (%)
1	50	49	1
2	49	50	1
3	48	51	1
4	47	52	1
5	47	51	2
6	46	52	2
7	46	52	2
8	45	53	2
9	45	53	2
10	45	53	2
11	45	53	2
12	45	53	2
13	45	53	2
14	45	53	2
15	45	53	2
16	45	53	2
17	45	53	2
18	45	53	2
19	45	53	2
20	45	53	2
21	46	52	2
22	46	52	2
23	46	52	2
24	47	51	2
25	48	50	2
26	48	51	1
27	49	50	1
28	49	50	1
29	49	50	1
30	50	49	1

	Avg high (°C)	Avg low (°C)
1	24	14
2	24	14
3	24	14
4	24	14
5	24	14
6	24	14
7	24	14
8	24	14
9	24	14
10	24	14
11	24	14
12	24	14
13	24	14
14	24	14
15	24	14
16	24	14
17	24	14
18	24	14
19	24	14
20	24	14
21	24	14
22	24	14
23	24	14
24	24	14
25	24	14
26	24	14
27	24	13
28	24	13
29	24	13
30	24	13

	Clearer (%)	Cloudier (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	27	73
7	28	72
8	28	72
9	28	72
10	28	72
11	28	72
12	28	72
13	28	72
14	28	72
15	28	72
16	26	74
17	26	74
18	26	74
19	26	74
20	26	74
21	26	74
22	24	76
23	25	75
24	25	75
25	25	75
26	26	74
27	26	74
28	26	74
29	27	73
30	27	73

	Rain chance (%)
1	51
2	52
3	52
4	53
5	53
6	53
7	53
8	53
9	53
10	52
11	52
12	51
13	50
14	50
15	49
16	49
17	48
18	48
19	48
20	48
21	48
22	48
23	48
24	48
25	48
26	48
27	48
28	49
29	49
30	49

	Dry (%)	Comfortable (%)	Humid (%)
1	50	49	1
2	49	50	1
3	48	51	1
4	47	52	1
5	47	51	2
6	46	52	2
7	46	52	2
8	45	53	2
9	45	53	2
10	45	53	2
11	45	53	2
12	45	53	2
13	45	53	2
14	45	53	2
15	45	53	2
16	45	53	2
17	45	53	2
18	45	53	2
19	45	53	2
20	45	53	2
21	46	52	2
22	46	52	2
23	46	52	2
24	47	51	2
25	48	50	2
26	48	51	1
27	49	50	1
28	49	50	1
29	49	50	1
30	50	49	1