Nava weather in September

In September, Nava sees average daytime highs of 33°C and overnight lows near 23°C, with 72 mm of rain across 8.2 wet days and about 12.2 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 35°C in the first days to 32°C by the end. The sky is clear or mostly clear about 54% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 36 min at the start of September to 11 h 48 min by month's end. Set against the rest of the year, September is Nava's 6th-clearest and 9th-windiest month. For the whole year in context, see Nava's year-round climate.

Daytime high
33°
5th warmest
Overnight low
23°
9th coldest
Rainfall
72 mm
8.2 wet days
Daylight
12 h 12 min
6:32 AM – 6:42 PM
Cloud cover
43%
6th clearest
Wind
12 km/h
9th windiest
Solar energy
5.32 kWh/m²
Travel score
3.6
out of 10

Nava is municipal seat of Nava, State of Coahuila, Mexico.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 35°C in the first days to 32°C by the end.

A typical September day in Nava reaches about 33°C in the afternoon and slips back to 23°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 37°C. Set against its neighbours, September runs about 4°C cooler than August and about 4°C warmer than October.

15°20°25°30°35°40°151015202530
Avg high (°C)Avg low (°C)
13525
23525
33524
43524
53524
63424
73424
83424
93424
103424
113424
123423
133423
143323
153323
163323
173323
183323
193323
203322
213322
223322
233322
243322
253222
263221
273221
283221
293221
303221

How September really feels in Nava

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.

Nava weather by month

How September compares with the rest of the year at a glance. September is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 213.710.47.3
Feb22° / 10°244.4117.7
Mar26° / 14°374.811.87.6
Apr30° / 18°425.112.75.5
May34° / 22°668.313.43.5
Jun36° / 25°416.113.82.1
Jul37° / 26°465.613.61.8
Aug37° / 26°414.3131.8
Sep33° / 23°728.212.23.6
Oct29° / 18°55611.36.3
Nov23° / 12°304.110.68.0
Dec20° / 234.410.27.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 54% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 18% of September, with mostly cloudy or overcast conditions the remaining 29%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17129
27129
37030
46931
56931
66931
76832
86832
96832
106832
116733
126733
136832
146832
156931
166931
177030
187030
197129
207228
217228
227327
237525
247525
257624
267723
277822
287723
297822
307822

Chance of precipitation in September

Any precipitation

Nava gets around 72 mm of rain over 8.2 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 26% and peaks near 32% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%151015202530
Rain chance (%)
125
226
328
429
530
630
731
831
932
1032
1132
1231
1331
1430
1529
1629
1728
1827
1926
2025
2124
2223
2322
2421
2520
2620
2719
2819
2919
3019

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the muggy band about 37% of days. Sticky, muggy-or-worse air turns up on roughly 65% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1341845301
2341744311
3341743321
4441642330
5441642330
6541641340
7541640340
8541640350
9541640350
10641639350
11651639340
12651639340
13751639330
14761639320
15771738310
16871738300
17881737290
18991736280
1910101836270
2010111835260
2111121834250
2212131833240
2313141832230
2414151831220
2515151930210
2616161930200
2717161929190
2818161929180
2919161928170
3020161928160

Wind in September

Winds average 12 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.

05101520151015202530
Wind speed (km/h)Feels
113light breeze
213light breeze
313light breeze
413light breeze
513light breeze
613light breeze
713light breeze
813light breeze
913light breeze
1013light breeze
1113light breeze
1213light breeze
1313light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1812light 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 36 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 48 minutes over September. Sunrise moves from 6:25 AM to 6:40 AM, and sunset from 7:01 PM to 6:25 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.66:257:01
212.66:256:59
312.56:266:58
412.56:266:57
512.56:276:56
612.56:276:55
712.46:286:53
812.46:286:52
912.46:296:51
1012.36:296:50
1112.36:306:49
1212.36:306:47
1312.36:316:46
1412.26:316:45
1512.26:326:44
1612.26:326:42
1712.16:336:41
1812.16:336:40
1912.16:346:39
2012.16:346:37
2112.06:356:36
2212.06:356:35
2312.06:366:34
2411.96:366:32
2511.96:376:31
2611.96:376:30
2711.86:386:29
2811.86:386:28
2911.86:396:26
3011.86:406:25

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.32 kWh/m².

For context, solar energy here swings from a low near 3.15 kWh/m² to a high of 6.82 kWh/m² in July across the year — September's 5.32 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.5Bright
85.5Bright
95.4Bright
105.4Bright
115.4Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.2Bright
275.1Bright
285.1Bright
295.1Bright
305.0Bright
Planning a trip in September

Is September a good time to visit Nava?

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

3.6
Sightseeing
8th-best month of the year
6.6
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Nava. The water and warmth also suit a beach or pool day.

What to pack for Nava in September

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

In September, Nava sees daytime highs around 33°C and nights near 23°C. Pack light clothes. Worth having: rain gear and sun protection. About 8 days see rain.

light clothesrain gearsun protection

UV index in Nava in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Nava peaks around July 17 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 18 at about 4 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecHighVery highExtremeVery highHighModerateJul 17UV 11Dec 18UV 4
UV index (midday)Level
Jan5Moderate
Feb6High
Mar8Very high
Apr10Very high
May10Extreme
Jun11Extreme
Jul12Extreme
Aug11Extreme
Sep9Very high
Oct7Very high
Nov5High
Dec4Moderate

Air quality in Nava 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 Nava is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (February, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Feb 178 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb8Good
Mar9Good
Apr10Good
May16Moderate
Jun16Moderate
Jul18Moderate
Aug13Moderate
Sep12Good
Oct9Good
Nov10Good
Dec11Good
Location & terrain

Where is Nava?

Nava sits at 28.4°N, 100.8°W, 329 m above sea level, in Mexico. The nearest listed city is Allende, 12 km away.

Topography around Nava

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

Within 3 km, the terrain around Nava has only modest variations in elevation — a maximum elevation change of 25 m around an average of 328 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 119 m; within 80 km, large variations in elevation — a maximum elevation change of 869 m.

The land around Nava is covered by shrubs (42%) within 3 km, shrubs (67%) within 16 km, and shrubs (93%) within 80 km.

3 km
25 m
16 km
119 m
80 km
869 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Allende 12 km · Piedras Negras 39 km · Eagle Pass 41 km · Nueva Rosita 70 km · Sabinas 72 km · Palaú 87 km · Ciudad Melchor Múzquiz 95 km · Ciudad Acuña 102 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 Nava (28.4207°, -100.7656°, elevation 329 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).