San Rafael weather in September

In September, San Rafael sees average daytime highs of 30°C and overnight lows near 27°C, with 183 mm of rain across 23 wet days and about 12.1 hours of daylight. It is the 2nd-warmest and 3rd-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 9% of the time in September, and the air most often feels miserable.

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 San Rafael's 11th-clearest and 11th-windiest month. For the whole year in context, see San Rafael's year-round climate.

Daytime high
30°
2nd warmest
Overnight low
27°
9th coldest
Rainfall
183 mm
23 wet days
Daylight
12 h 06 min
6:09 AM – 6:13 PM
Cloud cover
81%
11th clearest
Wind
13 km/h
11th windiest
Solar energy
5.44 kWh/m²
Travel score
3.3
out of 10

San Rafael is town in Venezuela.

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 San Rafael reaches about 30°C in the afternoon and slips back to 27°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 29°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

25°28°30°33°35°151015202530
Avg high (°C)Avg low (°C)
13027
23027
33027
43027
53027
63027
73027
83027
93027
103027
113027
123027
133027
143027
153027
163027
173027
183027
193027
203027
213027
223027
233027
243027
253027
263027
273027
283026
293026
303026

How September really feels in San Rafael

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.

San Rafael weather by month

How September compares with the rest of the year at a glance. September is the 2nd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 25°11311.47.4
Feb28° / 25°71.711.67.4
Mar29° / 26°163.611.96.7
Apr29° / 26°611012.25.1
May30° / 27°1401812.54.0
Jun30° / 27°8413.512.64.3
Jul30° / 27°6412.112.64.5
Aug30° / 27°12118.112.43.8
Sep30° / 27°1832312.13.3
Oct29° / 26°22527.511.83.1
Nov29° / 26°19322.311.53.9
Dec28° / 26°5910.511.46.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 9% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 9% of September, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12080
22179
32179
42179
52278
62179
72080
82080
92080
102080
112080
121981
131981
141882
151882
161783
171783
181684
191684
201684
211684
221585
231585
241585
251585
261585
271684
281684
291684
301684

Chance of precipitation in September

Any precipitation

San Rafael gets around 183 mm of rain over 23 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 77% 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 (%)
168
268
368
468
568
669
770
870
971
1072
1173
1274
1375
1476
1577
1678
1779
1880
1981
2081
2182
2282
2383
2483
2583
2684
2784
2884
2984
3085

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the miserable band about 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1397
2397
3496
4496
5496
6496
7496
8595
9595
10595
11595
12595
13595
14694
15694
16694
17694
18694
19694
20694
21694
22694
23793
24793
25793
26793
27793
28793
29793
30892

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 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
514light breeze
614light breeze
714light breeze
814light breeze
914light breeze
1014light breeze
1114light breeze
1214light breeze
1314light breeze
1413light breeze
1513light breeze
1613light breeze
1713light breeze
1813light breeze
1913light breeze
2013light breeze
2113light 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 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 6:10 AM to 6:09 AM, and sunset from 6:23 PM to 6:04 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.26:106:23
212.26:106:22
312.26:106:22
412.26:106:21
512.26:106:20
612.26:106:20
712.26:106:19
812.16:106:18
912.16:106:18
1012.16:106:17
1112.16:106:16
1212.16:106:16
1312.16:106:15
1412.16:106:14
1512.16:106:14
1612.16:096:13
1712.06:096:12
1812.06:096:12
1912.06:096:11
2012.06:096:10
2112.06:096:10
2212.06:096:09
2312.06:096:08
2412.06:096:08
2512.06:096:07
2612.06:096:06
2711.96:096:06
2811.96:096:05
2911.96:096:04
3011.96:096:04

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.44 kWh/m².

For context, solar energy here swings from a low near 4.81 kWh/m² to a high of 6.24 kWh/m² in March across the year — September's 5.44 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.7Bright
25.7Bright
35.7Bright
45.7Bright
55.6Bright
65.6Bright
75.6Bright
85.6Bright
95.6Bright
105.5Bright
115.5Bright
125.5Bright
135.5Bright
145.5Bright
155.4Bright
165.4Bright
175.4Bright
185.4Bright
195.4Bright
205.3Bright
215.3Bright
225.3Bright
235.3Bright
245.3Bright
255.3Bright
265.2Bright
275.2Bright
285.2Bright
295.2Bright
305.2Bright
Planning a trip in September

Hazard calendar for San Rafael

In seasonPeak

In September, San Rafael sits inside its monsoon season. The full year is below, with each hazard's peak months called out.

San Rafael's monsoon runs August–November, when most of the year's rain falls.

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

Is September a good time to visit San Rafael?

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

3.3
Sightseeing
11th-best month of the year
4.5
Beach & pool
11th-best month of the year

September is a weaker month for outdoor sightseeing in San Rafael.

What to pack for San Rafael in September

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

In September, San Rafael sees daytime highs around 30°C and nights near 27°C. Pack light clothes and rain gear. Worth having: sun protection. About 23 days see rain.

light clothesrain gearsun protection

Sea temperature near San Rafael in September

The nearest coast averages about 30°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 15 km away) is warmest in September at about 30°C and coldest in February near 26°C.

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

24°26°28°30°32°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan27Warm
Feb26Warm
Mar27Warm
Apr27Warm
May28Tropical
Jun29Tropical
Jul28Tropical
Aug29Tropical
Sep30Tropical
Oct30Tropical
Nov29Tropical
Dec28Warm

UV index in San Rafael in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in San Rafael peaks around March 17 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 9 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highMar 17UV 13Dec 13UV 9
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar13Extreme
Apr13Extreme
May11Extreme
Jun12Extreme
Jul11Extreme
Aug12Extreme
Sep12Extreme
Oct11Extreme
Nov9Very high
Dec9Very high

Air quality in San Rafael 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 San Rafael is worst in June — around 31 µg/m³ PM2.5 (moderate), about 2.9× the cleanest month (January, 11 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1531 µg/m³Jan 1011 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb15Moderate
Mar21Moderate
Apr24Moderate
May28Moderate
Jun31Moderate
Jul27Moderate
Aug27Moderate
Sep18Moderate
Oct16Moderate
Nov13Moderate
Dec11Good
Location & terrain

Where is San Rafael?

San Rafael sits at 11.0°N, 71.7°W, -2 m above sea level, in Venezuela. The nearest listed city is Santa Cruz de Mara, 19 km away.

Topography around San Rafael

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

Within 3 km, the terrain around San Rafael has only modest variations in elevation — a maximum elevation change of 22 m around an average of 1 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 78 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,385 m.

The land around San Rafael is covered by water (50%) within 3 km, water (44%) and grassland (20%) within 16 km, and water (38%) and grassland (29%) within 80 km.

3 km
22 m
16 km
78 m
80 km
1,385 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwaterwetlandmangroves
September weather nearby: Santa Cruz de Mara 19 km · Los Puertos de Altagracia 36 km · Maracaibo 38 km · La Concepción 40 km · Santa Rita 53 km · Chiquinquirá 58 km · Concepción 61 km · Cabimas 70 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 San Rafael (10.962°, -71.7303°, elevation -2 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. 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. 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).