Ciudad Guadalupe Victoria weather in September

In September, Ciudad Guadalupe Victoria sees average daytime highs of 39°C and overnight lows near 25°C, with 14 mm of rain across 2.5 wet days and about 12.2 hours of daylight. It is the 4th-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 40°C in the first days to 37°C by the end. The sky is clear or mostly clear about 87% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Ciudad Guadalupe Victoria's 2nd-clearest and 11th-windiest month. For the whole year in context, see Ciudad Guadalupe Victoria's year-round climate.

Daytime high
39°
4th warmest
Overnight low
25°
10th coldest
Rainfall
14 mm
2.5 wet days
Daylight
12 h 12 min
5:29 AM – 5:41 PM
Cloud cover
15%
2nd clearest
Wind
9 km/h
11th windiest
Solar energy
6.29 kWh/m²
Travel score
1.0
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 40°C in the first days to 37°C by the end.

A typical September day in Ciudad Guadalupe Victoria reaches about 39°C in the afternoon and slips back to 25°C overnight — a 13°C spread between the day's warmth and the night's chill. On most days the high lands between 34°C and 42°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

20°30°40°151015202530
Avg high (°C)Avg low (°C)
14028
24028
34028
44027
54027
64027
74027
83927
93927
103926
113926
123926
133926
143926
153926
163925
173825
183825
193825
203825
213824
223824
233824
243724
253724
263723
273723
283723
293723
303623

How September really feels in Ciudad Guadalupe Victoria

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
13 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.

Ciudad Guadalupe Victoria weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan22° / 81.410.18.5
Feb24° / 11°101.810.88.7
Mar28° / 13°81.411.87.9
Apr31° / 16°20.412.85.9
May35° / 20°10.213.63.3
Jun39° / 24°10.114.10.6
Jul41° / 28°72.113.90.0
Aug41° / 29°144.213.20.0
Sep39° / 25°142.512.21.0
Oct33° / 19°40.911.24.8
Nov26° / 13°30.510.38.6
Dec21° / 71.69.98.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 87% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 6% of September, with mostly cloudy or overcast conditions the remaining 6%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1937
2937
3937
4937
5937
6937
7946
8946
9946
10946
11946
12946
13946
14946
15946
16946
17946
18955
19955
20955
21946
22937
23937
24937
25937
26937
27937
28937
29937
30937

Chance of precipitation in September

Any precipitation

Ciudad Guadalupe Victoria gets around 14 mm of rain over 2.5 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 8% and peaks near 15% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
115
214
314
414
513
613
712
812
911
1011
1110
1210
139
148
158
167
177
186
196
206
216
225
235
245
255
265
275
284
294
304

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 38% of days. Sticky, muggy-or-worse air turns up on roughly 35% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
116101425315
217101325315
318101324304
419101324294
521101324284
622101323274
724111423253
826111422243
928111421233
1029121520213
1131121519203
1233131519183
1335131518163
1437141517152
1539141516132
1640141516122
1742151515112
1843151515102
194515151592
204615151481
214716141481
224816141471
235016131471
245215131361
255215131361
265315121361
275614121251
285714121250
295913121150
306212121040

Wind in September

Winds average 9 km/h in September.

Across September, daily wind ranges from about 8 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
49calm
59calm
69calm
79calm
89calm
99calm
109calm
119calm
129calm
139calm
149calm
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 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over September. Sunrise moves from 5:19 AM to 5:38 AM, and sunset from 6:01 PM to 5:21 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:196:01
212.75:206:00
312.65:215:58
412.65:215:57
512.65:225:56
612.55:225:54
712.55:235:53
812.55:245:52
912.45:245:50
1012.45:255:49
1112.45:265:48
1212.35:265:46
1312.35:275:45
1412.35:285:43
1512.25:285:42
1612.25:295:41
1712.25:305:39
1812.15:305:38
1912.15:315:36
2012.15:315:35
2112.05:325:34
2212.05:335:32
2312.05:335:31
2411.95:345:30
2511.95:355:28
2611.95:355:27
2711.85:365:25
2811.85:375:24
2911.85:375:23
3011.75:385:21

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.29 kWh/m².

For context, solar energy here swings from a low near 3.42 kWh/m² to a high of 8.47 kWh/m² in June across the year — September's 6.29 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.7Intense
26.6Intense
36.6Intense
46.6Intense
56.5Intense
66.5Intense
76.5Intense
86.5Intense
96.5Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.2Intense
206.2Intense
216.2Intense
226.1Intense
236.1Intense
246.1Intense
256.0Intense
266.0Intense
276.0Bright
285.9Bright
295.9Bright
305.9Bright
Planning a trip in September

Is September a good time to visit Ciudad Guadalupe Victoria?

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

1.0
Sightseeing
9th-best month of the year
4.3
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Ciudad Guadalupe Victoria.

What to pack for Ciudad Guadalupe Victoria in September

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

In September, Ciudad Guadalupe Victoria sees daytime highs around 39°C and nights near 25°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Ciudad Guadalupe Victoria in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ciudad Guadalupe Victoria peaks around June 20 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateVery highExtremeVery highHighModerateJun 20UV 11Dec 18UV 3
UV index (midday)Level
Jan4Moderate
Feb5Moderate
Mar5Moderate
Apr8Very high
May8Very high
Jun11Extreme
Jul10Very high
Aug10Extreme
Sep8Very high
Oct6High
Nov4Moderate
Dec3Moderate
Location & terrain

Where is Ciudad Guadalupe Victoria?

Ciudad Guadalupe Victoria sits at 32.3°N, 115.1°W, 12 m above sea level, in Mexico. The nearest listed city is San Luis Río Colorado, 36 km away.

Topography around Ciudad Guadalupe Victoria

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

Within 3 km, the terrain around Ciudad Guadalupe Victoria has only modest variations in elevation — a maximum elevation change of 6 m around an average of 12 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 28 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,838 m.

The land around Ciudad Guadalupe Victoria is covered by cropland (60%) within 3 km, cropland (71%) within 16 km, and bare terrain (67%) within 80 km.

3 km
6 m
16 km
28 m
80 km
1,838 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: San Luis Río Colorado 36 km · San Luis 37 km · Puebla 39 km · Mexicali 50 km · Somerton 50 km · Calexico 57 km · Santa Isabel 58 km · Yuma 66 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 Ciudad Guadalupe Victoria (32.2888°, -115.1031°, elevation 12 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).