La Paz weather in September

In September, La Paz sees average daytime highs of 30°C and overnight lows near 26°C, with 61 mm of rain across 6 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 30°C through the month. The sky is clear or mostly clear about 63% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 30 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is La Paz's 8th-clearest and 10th-windiest month. For the whole year in context, see La Paz's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
26°
11th coldest
Rainfall
61 mm
6 wet days
Daylight
12 h 06 min
6:11 AM – 6:20 PM
Cloud cover
37%
8th clearest
Wind
13 km/h
10th windiest
Solar energy
6.08 kWh/m²
Travel score
5.9
out of 10

La Paz is capital city of Baja California Sur, México.

Founded
1535

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 30°C through the month.

A typical September day in La Paz reaches about 30°C in the afternoon and slips back to 26°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 31°C. Set against its neighbours, September runs on par with August and about 2°C warmer than October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83027
93026
103026
113026
123026
133026
143026
153026
163026
173026
183026
193026
203026
213026
223026
233026
243026
253026
263026
273026
283026
293026
303026

How September really feels in La Paz

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
heat index over the day's high
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.

La Paz weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan20° / 18°81.410.78.0
Feb21° / 17°71.111.28.1
Mar22° / 18°10.411.88.7
Apr24° / 19°0012.59.0
May26° / 21°00.113.28.9
Jun28° / 23°20.513.58.1
Jul30° / 26°112.513.36.4
Aug30° / 27°286.312.85.4
Sep30° / 26°61612.15.9
Oct28° / 25°13211.47.6
Nov25° / 22°121.110.88.8
Dec22° / 19°101.110.58.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 63% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 11% of September, with mostly cloudy or overcast conditions the remaining 27%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26238
36337
46436
56436
66535
76733
86832
96832
106931
117030
127129
137228
147327
157426
167525
177525
187624
197624
207723
217822
227822
237921
248020
258020
268218
278317
288317
298515
308515

Chance of precipitation in September

Any precipitation

La Paz gets around 61 mm of rain over 6 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 19% and peaks near 26% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
126
226
325
425
524
624
723
823
922
1022
1121
1220
1320
1419
1519
1619
1718
1818
1918
2017
2117
2217
2316
2416
2515
2614
2713
2813
2912
3012

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1075934
2075934
3075934
4075934
5075934
6075934
7075934
8175834
9175834
10185833
11185833
12185932
13195931
141105831
151105930
161115929
171125829
181125928
192135728
202145727
212145727
222155627
232165527
243165526
253175525
263185425
274185424
284195522
295205421
305215420

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1212light breeze
1312light breeze
1412light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1912light breeze
2012light breeze
2112light breeze
2212light breeze
2312light breeze
2412light breeze
2512light breeze
2612light breeze
2712light breeze
2812light breeze
2912light breeze
3012light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 30 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 42 minutes over September. Sunrise moves from 6:06 AM to 6:17 AM, and sunset from 6:36 PM to 6:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.56:066:36
212.56:076:35
312.46:076:34
412.46:076:33
512.46:086:32
612.46:086:31
712.46:086:29
812.36:096:28
912.36:096:27
1012.36:096:26
1112.36:106:25
1212.26:106:24
1312.26:106:23
1412.26:116:22
1512.26:116:21
1612.16:116:20
1712.16:126:19
1812.16:126:18
1912.16:126:16
2012.06:136:15
2112.06:136:14
2212.06:146:13
2312.06:146:12
2411.96:146:11
2511.96:156:10
2611.96:156:09
2711.96:156:08
2811.86:166:07
2911.86:166:06
3011.86:176:05

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.08 kWh/m².

For context, solar energy here swings from a low near 4.2 kWh/m² to a high of 8.01 kWh/m² in May across the year — September's 6.08 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.2Intense
126.1Intense
136.1Intense
146.1Intense
156.1Intense
166.1Intense
176.1Intense
186.1Intense
196.1Intense
206.1Intense
216.1Intense
226.0Intense
236.0Intense
246.0Intense
256.0Intense
266.0Intense
276.0Bright
286.0Bright
296.0Bright
306.0Bright
Planning a trip in September

Hazard calendar for La Paz

In seasonPeak

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

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

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

Is September a good time to visit La Paz?

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
7.9
Beach & pool
5th-best month of the year

September is a reasonable time to visit La Paz for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for La Paz in September

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

In September, La Paz sees daytime highs around 30°C and nights near 26°C. Pack light clothes and sun protection. About 6 days see rain.

light clothessun protection

Sea temperature near La Paz in September

The nearest coast averages about 29°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 27 km away) is warmest in September at about 29°C and coldest in February near 21°C.

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

20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan21Refreshing
Feb21Refreshing
Mar21Refreshing
Apr22Refreshing
May23Refreshing
Jun25Warm
Jul27Warm
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov26Warm
Dec23Refreshing

UV index in La Paz in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in La Paz peaks around May 19 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 5 (high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighMay 19UV 12Dec 22UV 5
UV index (midday)Level
Jan6High
Feb7Very high
Mar10Very high
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep10Extreme
Oct9Very high
Nov7High
Dec5High
Location & terrain

Where is La Paz?

La Paz sits at 24.1°N, 110.3°W, 33 m above sea level, in Mexico. The nearest listed city is Todos Santos, 78 km away.

Los MochisJuan José RíosGabriel Leyva Solano

Topography around La Paz

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

Within 3 km, the terrain around La Paz has only modest variations in elevation — a maximum elevation change of 212 m around an average of 27 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 844 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,064 m.

The land around La Paz is covered by artificial surfaces (72%) within 3 km, shrubs (59%) and water (24%) within 16 km, and water (51%) and shrubs (43%) within 80 km.

3 km
212 m
16 km
844 m
80 km
2,064 m
treesshrubscroplandartificial surfacesbare terrainwater
September weather nearby: Todos Santos 78 km · San José del Cabo 136 km · Colonia del Sol 142 km · Cabo San Lucas 145 km · Ciudad Constitución 169 km · Los Mochis 226 km · Juan José Ríos 234 km · Gabriel Leyva Solano 239 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 La Paz (24.1423°, -110.3132°, elevation 33 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).