Santa Elena de Uairén weather in September

In September, Santa Elena de Uairén sees average daytime highs of 29°C and overnight lows near 19°C, with 129 mm of rain across 17.4 wet days and about 12 hours of daylight. It is the 7th-warmest and 6th-wettest month of the year here.

Day-to-day highs hold fairly steady near 29°C through the month. The sky is clear or mostly clear about 30% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 06 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Santa Elena de Uairén's 1st-clearest and 6th-windiest month. For the whole year in context, see Santa Elena de Uairén's year-round climate.

Daytime high
29°
7th warmest
Overnight low
19°
4th coldest
Rainfall
129 mm
17.4 wet days
Daylight
12 hours
5:28 AM – 5:30 PM
Cloud cover
56%
1st clearest
Wind
6 km/h
6th windiest
Solar energy
6.02 kWh/m²
Travel score
4.7
out of 10

Santa Elena de Uairén is city in Bolívar, Venezuela.

Density
245/km²
people per km²
Founded
1923

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 29°C through the month.

A typical September day in Santa Elena de Uairén reaches about 29°C in the afternoon and slips back to 19°C overnight — a 10°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 30°C. Set against its neighbours, September runs about 2°C warmer than August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12819
22819
32819
42819
52819
62819
72819
82819
92819
102919
112919
122919
132919
142919
152919
162919
172919
182919
192919
202919
212919
222919
232919
242919
252919
262919
272919
282919
292919
302919

Santa Elena de Uairén weather by month

How September compares with the rest of the year at a glance. September is the 7th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan29° / 19°639.311.85.4
Feb30° / 19°608.611.85.1
Mar30° / 19°8410.7124.8
Apr29° / 20°21118.912.14.2
May27° / 20°40026.512.23.9
Jun26° / 19°35427.812.33.7
Jul26° / 19°31228.812.23.8
Aug27° / 19°22324.912.24.3
Sep29° / 19°12917.4124.7
Oct29° / 19°11815.211.94.6
Nov29° / 19°12716.511.84.5
Dec29° / 19°10214.311.74.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 30% of the time in September, the clearest month of the year.

Beyond those clear spells, partly cloudy skies cover about 27% of September, with mostly cloudy or overcast conditions the remaining 43%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
26040
36139
46139
56139
66040
76040
86040
95941
105842
115842
125743
135743
145644
155644
165644
175545
185545
195545
205545
215545
225545
235545
245644
255644
265545
275446
285446
295446
305446

Chance of precipitation in September

Any precipitation

Santa Elena de Uairén gets around 129 mm of rain over 17.4 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 58% and peaks near 69% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
169
268
367
467
566
666
765
865
965
1064
1163
1263
1362
1461
1560
1659
1758
1857
1956
2055
2153
2252
2351
2450
2549
2648
2748
2847
2947
3047

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 86% of days. Sticky, muggy-or-worse air turns up on roughly 86% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
16940
26940
37930
48911
58911
69901
710891
810891
911881
1011881
1111881
1211881
1312871
1412871
1512871
1613861
1713861
1813861
1914851
2015841
2115841
2216831
2317821
2418811
2519801
2621781
2722771
2823761
2924751
3025741

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
15calm
25calm
35calm
45calm
55calm
65calm
75calm
85calm
95calm
105calm
115calm
125calm
135calm
145calm
155calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 06 min at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 6 minutes over September. Sunrise moves from 5:31 AM to 5:25 AM, and sunset from 5:37 PM to 5:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.15:315:37
212.15:315:36
312.15:315:36
412.15:315:35
512.15:315:35
612.15:305:34
712.15:305:34
812.15:305:33
912.15:305:33
1012.15:295:33
1112.05:295:32
1212.05:295:32
1312.05:295:31
1412.05:295:31
1512.05:285:30
1612.05:285:30
1712.05:285:29
1812.05:285:29
1912.05:275:28
2012.05:275:28
2112.05:275:27
2212.05:275:27
2312.05:265:26
2412.05:265:26
2512.05:265:25
2612.05:265:25
2712.05:255:24
2812.05:255:24
2912.05:255:23
3012.05:255:23

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.02 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.29 kWh/m² to a high of 6.02 kWh/m² in September across the year — September's 6.02 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.8Bright
25.8Bright
35.9Bright
45.9Bright
55.9Bright
65.9Bright
75.9Bright
85.9Bright
96.0Bright
106.0Bright
116.0Bright
126.0Bright
136.0Bright
146.0Intense
156.0Intense
166.0Intense
176.0Intense
186.0Intense
196.0Intense
206.0Intense
216.1Intense
226.1Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.1Intense
306.1Intense
Planning a trip in September

Hazard calendar for Santa Elena de Uairén

In seasonPeak

None of Santa Elena de Uairén's seasonal hazards are active in September. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Santa Elena de Uairén's rainy season runs April–August, when most of the year's rain falls.

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

Is September a good time to visit Santa Elena de Uairén?

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

4.7
Sightseeing
5th-best month of the year
5.8
Beach & pool
7th-best month of the year

September is a reasonable time to visit Santa Elena de Uairén for sightseeing.

What to pack for Santa Elena de Uairén in September

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

In September, Santa Elena de Uairén sees daytime highs around 29°C and nights near 19°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

UV index in Santa Elena de Uairén in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Santa Elena de Uairén peaks around March 24 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 10 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 24UV 15Dec 10UV 12
UV index (midday)Level
Jan14Extreme
Feb14Extreme
Mar15Extreme
Apr15Extreme
May14Extreme
Jun13Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct12Extreme
Nov12Extreme
Dec12Extreme

Air quality in Santa Elena de Uairén 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 Santa Elena de Uairén is worst in March — around 17 µg/m³ PM2.5 (moderate), about 1.7× the cleanest month (August, 10 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodMar 2217 µg/m³Aug 2010 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar17Moderate
Apr16Moderate
May13Moderate
Jun11Good
Jul11Good
Aug10Good
Sep10Good
Oct12Good
Nov10Good
Dec11Good
Location & terrain

Where is Santa Elena de Uairén?

Santa Elena de Uairén sits at 4.6°N, 61.1°W, 868 m above sea level, in Venezuela. The nearest listed city is Pacaraima, 19 km away.

Alto AlegreLethemBoa VistaCantáMucajaíEl DoradoTumeremo

Topography around Santa Elena de Uairén

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Santa Elena de Uairén.

Within 3 km, the terrain around Santa Elena de Uairén has significant variations in elevation — a maximum elevation change of 271 m around an average of 922 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 928 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,293 m.

The land around Santa Elena de Uairén is covered by trees (45%) and grassland (45%) within 3 km, grassland (57%) and trees (41%) within 16 km, and grassland (57%) and trees (39%) within 80 km.

3 km
271 m
16 km
928 m
80 km
2,293 m
treesshrubsgrasslandartificial surfacesbare terrainwetland
September weather nearby: Pacaraima 19 km · Alto Alegre 195 km · Lethem 200 km · Boa Vista 204 km · Cantá 229 km · Mucajaí 241 km · El Dorado 242 km · Tumeremo 303 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 Santa Elena de Uairén (4.6023°, -61.1103°, elevation 868 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).