Merida weather in September

In September, Merida sees average daytime highs of 20°C and overnight lows near 12°C, with 143 mm of rain across 24.8 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 2% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 h 12 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Merida's 7th-clearest and 5th-windiest month. For the whole year in context, see Merida's year-round climate.

Daytime high
20°
2nd warmest
Overnight low
12°
9th coldest
Rainfall
143 mm
24.8 wet days
Daylight
12 hours
6:08 AM – 6:10 PM
Cloud cover
90%
7th clearest
Wind
3 km/h
5th windiest
Solar energy
5.28 kWh/m²
Travel score
3.8
out of 10

Merida is city in Venezuela.

Density
12,000/km²
people per km²
Founded
1558

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 20°C through the month.

A typical September day in Merida reaches about 20°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 22°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12012
22012
32012
42012
52012
62012
72012
82012
92012
102012
112012
122012
132012
142012
152012
162012
172012
182012
192012
202012
212012
222012
232012
242012
252012
262012
272012
282012
292012
302012

Merida weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 11°10822.811.64.3
Feb19° / 11°12622.811.74.0
Mar20° / 12°21527.711.93.6
Apr20° / 13°27727.812.23.4
May20° / 13°22427.812.43.6
Jun20° / 12°15124.312.53.8
Jul20° / 12°14726.112.43.7
Aug20° / 12°14625.512.33.8
Sep20° / 12°14324.812.13.8
Oct20° / 12°20027.811.83.6
Nov20° / 12°20327.411.63.5
Dec19° / 11°1402411.54.1

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 4% of September, with mostly cloudy or overcast conditions the remaining 94%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1793
2793
3793
4793
5892
6892
7892
8892
9793
10793
11793
12793
13793
14793
15793
16694
17694
18694
19694
20694
21694
22595
23595
24595
25595
26496
27496
28496
29496
30496

Chance of precipitation in September

Any precipitation

Merida gets around 143 mm of rain over 24.8 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 82% and peaks near 85% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
178
278
378
478
578
679
779
880
981
1081
1182
1282
1383
1483
1584
1684
1784
1884
1985
2085
2185
2285
2385
2485
2585
2685
2784
2884
2984
3085

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 56% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
16139
26139
36238
46238
56238
66238
76238
86139
96040
106040
115941
125842
135644
145545
155446
165347
175347
185248
195248
205248
215248
225248
235248
245347
255347
265347
275446
285446
295545
305545

Wind in September

Winds average 3 km/h in September.

Across September, daily wind ranges from about 3 km/h on the calmest days to 3 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
13calm
23calm
33calm
43calm
53calm
63calm
73calm
83calm
93calm
103calm
113calm
123calm
133calm
143calm
153calm
163calm
173calm
183calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 12 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 18 minutes over September. Sunrise moves from 6:09 AM to 6:06 AM, and sunset from 6:19 PM to 6:02 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:096:19
212.26:096:19
312.26:096:18
412.16:096:18
512.16:096:17
612.16:096:16
712.16:096:16
812.16:096:15
912.16:096:15
1012.16:086:14
1112.16:086:13
1212.16:086:13
1312.16:086:12
1412.16:086:12
1512.16:086:11
1612.06:086:10
1712.06:076:10
1812.06:076:09
1912.06:076:09
2012.06:076:08
2112.06:076:07
2212.06:076:07
2312.06:076:06
2412.06:076:06
2512.06:066:05
2612.06:066:04
2712.06:066:04
2811.96:066:03
2911.96:066:03
3011.96:066:02

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.28 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.41 kWh/m² to a high of 5.28 kWh/m² in September across the year — September's 5.28 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.4Bright
55.4Bright
65.4Bright
75.4Bright
85.4Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.2Bright
185.2Bright
195.2Bright
205.2Bright
215.2Bright
225.2Bright
235.2Bright
245.2Bright
255.2Bright
265.1Bright
275.1Bright
285.1Bright
295.1Bright
305.1Bright
Planning a trip in September

Is September a good time to visit Merida?

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

3.8
Sightseeing
4th-best month of the year
2.1
Beach & pool
1st-best month of the year

September is a weaker month for outdoor sightseeing in Merida.

What to pack for Merida in September

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

In September, Merida sees daytime highs around 20°C and nights near 12°C. Pack rain gear. Worth having: sun protection. About 25 days see rain.

rain gearsun protection

UV index in Merida in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 14 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Merida peaks around February 21 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 12 at about 11 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 21UV 16Dec 12UV 11
UV index (midday)Level
Jan14Extreme
Feb16Extreme
Mar16Extreme
Apr15Extreme
May14Extreme
Jun14Extreme
Jul13Extreme
Aug14Extreme
Sep14Extreme
Oct14Extreme
Nov12Extreme
Dec11Extreme

Air quality in Merida 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 Merida is worst in March — around 34 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 15 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateMar 2033 µg/m³Dec 1715 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb22Moderate
Mar34Moderate
Apr29Moderate
May23Moderate
Jun21Moderate
Jul19Moderate
Aug18Moderate
Sep17Moderate
Oct17Moderate
Nov16Moderate
Dec15Moderate
Location & terrain

Where is Merida?

Merida sits at 8.6°N, 71.2°W, 1,389 m above sea level, in Venezuela. The nearest listed city is Ejido, 9.0 km away.

Topography around Merida

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

Within 3 km, the terrain around Merida has large variations in elevation — a maximum elevation change of 936 m around an average of 1,512 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 4,036 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,842 m.

The land around Merida is covered by trees (52%) and artificial surfaces (33%) within 3 km, trees (51%) and grassland (42%) within 16 km, and trees (49%) and grassland (44%) within 80 km.

3 km
936 m
16 km
4,036 m
80 km
4,842 m
treesshrubsgrasslandartificial surfacesbare terrainwater
September weather nearby: Ejido 9.0 km · Tabay 12 km · Lagunillas 26 km · La Azulita 34 km · Tucaní 45 km · El Vigía 54 km · Socopó 54 km · Santa Cruz de Mora 56 km

Venezuela travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 0% of US
price level, 2011
GDP per capita
$3,495
2025
Happiness
5.8 / 10
World Happiness, 2025
Homicide rate
12.6
per 100k, 2022
Road deaths
39
per 100k/yr, 2019
Income group
Lower middle
World Bank
English
Moderate
EF EPI 520
Religion
Roman Catholic 48%Protestant 32%none 14%believer 4%

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 Merida (8.579°, -71.1692°, elevation 1,389 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).