Izamal weather in September

In September, Izamal sees average daytime highs of 33°C and overnight lows near 23°C, with 141 mm of rain across 20 wet days and about 12.1 hours of daylight. It is the 6th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 33°C through the month. The sky is clear or mostly clear about 20% 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 Izamal's 12th-clearest and 12th-windiest month. For the whole year in context, see Izamal's year-round climate.

Daytime high
33°
6th warmest
Overnight low
23°
8th coldest
Rainfall
141 mm
20 wet days
Daylight
12 h 06 min
5:47 AM – 5:54 PM
Cloud cover
66%
12th clearest
Wind
8 km/h
12th windiest
Solar energy
5.48 kWh/m²
Travel score
2.5
out of 10

Izamal is city in Yucatan, Mexico.

Founded
1543

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 33°C through the month.

A typical September day in Izamal reaches about 33°C in the afternoon and slips back to 23°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 31°C and 35°C. Set against its neighbours, September runs about 1°C cooler than August and about 2°C warmer than October.

20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13424
23424
33424
43424
53424
63424
73424
83424
93424
103424
113424
123424
133424
143424
153424
163324
173324
183323
193323
203323
213323
223323
233323
243323
253323
263323
273323
283323
293323
303223

How September really feels in Izamal

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
22 feel dangerously hot (≥ 39°C)
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.

Izamal weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 18°234.310.96.4
Feb31° / 19°152.911.35.6
Mar33° / 20°153.111.94.4
Apr35° / 22°284.412.53.0
May35° / 24°558.5132.4
Jun34° / 24°12417.613.22.3
Jul34° / 24°851713.12.4
Aug34° / 24°9718.612.72.3
Sep33° / 23°1412012.12.5
Oct32° / 22°8914.411.53.8
Nov30° / 20°336.1115.5
Dec29° / 19°224.210.86.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% of the time in September, the cloudiest month of the year.

Beyond those clear spells, partly cloudy skies cover about 23% of September, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14258
24258
34159
44060
54060
64060
74060
84060
94060
104258
114258
124357
134357
144456
154456
164456
174555
184555
194456
204555
214555
224555
234555
244456
254357
264357
274258
284258
294258
304258

Chance of precipitation in September

Any precipitation

Izamal gets around 141 mm of rain over 20 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 66% and peaks near 67% on the wettest days.

0%20%40%60%80%151015202530
Rain chance (%)
166
266
367
467
567
667
767
867
967
1067
1166
1266
1366
1466
1566
1666
1766
1867
1967
2067
2167
2267
2367
2467
2567
2667
2766
2866
2965
3064

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 62% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1006238
2006238
3006238
4006238
5006238
6006238
7006238
8006238
9006238
10006238
11006238
12006238
13006238
14006238
15006238
16006238
17006238
18006139
19006139
20006139
21016138
22016138
23016138
24026038
25026137
26026137
27036136
28036136
29046135
30146035

Wind in September

Winds average 8 km/h in September, the calmest month.

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.

0246810151015202530
Wind speed (km/h)Feels
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

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 5:43 AM to 5:50 AM, and sunset from 6:08 PM to 5:40 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.45:436:08
212.45:436:07
312.45:446:07
412.45:446:06
512.35:446:05
612.35:446:04
712.35:456:03
812.35:456:02
912.35:456:01
1012.25:456:00
1112.25:465:59
1212.25:465:58
1312.25:465:57
1412.25:465:56
1512.15:475:55
1612.15:475:54
1712.15:475:53
1812.15:475:52
1912.15:485:51
2012.05:485:50
2112.05:485:49
2212.05:485:48
2312.05:495:47
2412.05:495:46
2511.95:495:45
2611.95:495:44
2711.95:505:43
2811.95:505:42
2911.95:505:41
3011.85:505:40

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.48 kWh/m².

For context, solar energy here swings from a low near 3.81 kWh/m² to a high of 6.5 kWh/m² in May across the year — September's 5.48 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.8Bright
45.8Bright
55.8Bright
65.8Bright
75.7Bright
85.7Bright
95.7Bright
105.7Bright
115.6Bright
125.6Bright
135.6Bright
145.5Bright
155.5Bright
165.5Bright
175.5Bright
185.4Bright
195.4Bright
205.4Bright
215.3Bright
225.3Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.0Bright
305.0Bright
Planning a trip in September

Hazard calendar for Izamal

In seasonPeak

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

Izamal sits in the Atlantic hurricane belt; the season peaks August–October.

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

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

Is September a good time to visit Izamal?

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

2.5
Sightseeing
8th-best month of the year
4.7
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Izamal.

What to pack for Izamal in September

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

In September, Izamal sees daytime highs around 33°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 20 days see rain.

light clothesrain gearsun protection

Sea temperature near Izamal in September

The nearest coast averages about 28°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 September at about 28°C and coldest in January near 24°C.

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

22°24°26°28°30°JanFebMarAprMayJunJulAugSepOctNovDecrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan24Refreshing
Feb24Warm
Mar25Warm
Apr26Warm
May26Warm
Jun26Warm
Jul27Warm
Aug27Warm
Sep28Warm
Oct28Warm
Nov26Warm
Dec25Warm

UV index in Izamal in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 11 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Izamal peaks around June 16 at about 13 (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 highHighJun 16UV 13Dec 17UV 6
UV index (midday)Level
Jan7High
Feb10Very high
Mar11Extreme
Apr12Extreme
May12Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep11Extreme
Oct10Very high
Nov7High
Dec6High

Air quality in Izamal 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 Izamal is worst in April — around 26 µg/m³ PM2.5 (moderate), about 3.3× the cleanest month (January, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 2026 µg/m³Jan 118 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar12Moderate
Apr26Moderate
May21Moderate
Jun26Moderate
Jul25Moderate
Aug20Moderate
Sep16Moderate
Oct11Good
Nov8Good
Dec8Good
Location & terrain

Where is Izamal?

Izamal sits at 20.9°N, 89.0°W, 22 m above sea level, in Mexico. The nearest listed city is Motul, 33 km away.

Topography around Izamal

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

Within 3 km, the terrain around Izamal has only modest variations in elevation — a maximum elevation change of 19 m around an average of 15 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 29 m; within 80 km, only modest variations in elevation — a maximum elevation change of 49 m.

The land around Izamal is covered by trees (63%) and grassland (26%) within 3 km, trees (87%) within 16 km, and trees (75%) within 80 km.

3 km
19 m
16 km
29 m
80 km
49 m
treesshrubsgrasslandartificial surfaceswatermangroves
September weather nearby: Motul 33 km · Chichen Itza 56 km · Kanasín 56 km · Merida 63 km · Umán 76 km · Progreso 77 km · Ticul 80 km · Oxkutzkab 81 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 Izamal (20.9332°, -89.0189°, elevation 22 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).