Sensuntepeque weather in September

In September, Sensuntepeque sees average daytime highs of 31°C and overnight lows near 21°C, with 218 mm of rain across 25.5 wet days and about 12.1 hours of daylight. It is the 11th-warmest and 1st-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 6% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 18 min at the start of September to 11 h 54 min by month's end. Set against the rest of the year, September is Sensuntepeque's 11th-clearest and 12th-windiest month. For the whole year in context, see Sensuntepeque's year-round climate.

Daytime high
31°
11th warmest
Overnight low
21°
7th coldest
Rainfall
218 mm
25.5 wet days
Daylight
12 h 06 min
5:47 AM – 5:51 PM
Cloud cover
79%
11th clearest
Wind
4 km/h
12th windiest
Solar energy
5.03 kWh/m²
Travel score
2.9
out of 10

Sensuntepeque is city in El Salvador.

Density
67/km²
people per km²
Founded
1550

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 31°C through the month.

A typical September day in Sensuntepeque reaches about 31°C in the afternoon and slips back to 21°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 33°C. Set against its neighbours, September runs about 1°C cooler than August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13122
23122
33122
43122
53122
63122
73121
83121
93121
103121
113121
123121
133121
143121
153121
163121
173121
183121
193021
203021
213021
223021
233021
243021
253021
263021
273021
283021
293021
303021

How September really feels in Sensuntepeque

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.

Sensuntepeque weather by month

How September compares with the rest of the year at a glance. September is the 11th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 20°10.311.35.1
Feb34° / 20°10.111.54.2
Mar35° / 21°51.411.93.5
Apr35° / 22°27712.33.0
May33° / 22°16321.212.62.7
Jun31° / 22°18523.512.82.9
Jul32° / 22°12418.512.73.1
Aug32° / 22°15221.212.52.9
Sep31° / 21°21825.512.12.9
Oct30° / 21°18720.111.73.8
Nov31° / 20°315.311.45.2
Dec32° / 20°41.111.25.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 6% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 12% of September, with mostly cloudy or overcast conditions the remaining 82%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12278
22278
32179
42179
51981
61981
71981
81882
91882
101882
111882
121882
131882
141882
151783
161783
171783
181783
191684
201684
211684
221684
231684
241783
251783
261783
271882
281981
291981
301882

Chance of precipitation in September

Any precipitation

Sensuntepeque gets around 218 mm of rain over 25.5 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 84% and peaks near 90% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%100%151015202530
Rain chance (%)
178
278
379
479
579
679
779
880
980
1080
1181
1281
1382
1483
1583
1684
1785
1886
1987
2088
2189
2289
2389
2490
2589
2689
2788
2888
2987
3086

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 50% of days. Sticky, muggy-or-worse air turns up on roughly 98% of them.

0%25%50%75%100%151015202530
Humid (%)Muggy (%)Oppressive (%)
135542
235542
335542
435542
535542
635542
735443
835443
935344
1035344
1135245
1225246
1325147
1424949
1524850
1624751
1714554
1814455
1914356
2014257
2114257
2204159
2304159
2404159
2514158
2614158
2714158
2814257
2914257
3014356

Wind in September

Winds average 4 km/h in September, the calmest month.

Across September, daily wind ranges from about 3 km/h on the calmest days to 4 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
14calm
24calm
34calm
44calm
54calm
64calm
74calm
84calm
94calm
104calm
114calm
124calm
134calm
144calm
154calm
164calm
174calm
184calm
193calm
203calm
213calm
223calm
233calm
243calm
253calm
263calm
273calm
283calm
293calm
303calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 18 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 24 minutes over September. Sunrise moves from 5:46 AM to 5:47 AM, and sunset from 6:02 PM to 5:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.35:466:02
212.35:466:02
312.25:466:01
412.25:466:00
512.25:465:59
612.25:465:59
712.25:465:58
812.25:465:57
912.25:465:56
1012.25:465:56
1112.15:465:55
1212.15:465:54
1312.15:465:53
1412.15:465:53
1512.15:475:52
1612.15:475:51
1712.15:475:50
1812.05:475:50
1912.05:475:49
2012.05:475:48
2112.05:475:47
2212.05:475:47
2312.05:475:46
2412.05:475:45
2512.05:475:44
2611.95:475:43
2711.95:475:43
2811.95:475:42
2911.95:475:41
3011.95:475:41

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.03 kWh/m².

For context, solar energy here swings from a low near 4.72 kWh/m² to a high of 6.27 kWh/m² in March across the year — September's 5.03 kWh/m² sits near the bottom.

0246151015202530
Solar energy (kWh/m²)Level
15.4Bright
25.4Bright
35.4Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.2Bright
115.2Bright
125.2Bright
135.1Bright
145.1Bright
155.1Bright
165.0Bright
175.0Bright
185.0Bright
195.0Bright
204.9Bright
214.9Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Hazard calendar for Sensuntepeque

In seasonPeak

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

Sensuntepeque's monsoon runs May–October, 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 Sensuntepeque?

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

2.9
Sightseeing
9th-best month of the year
4.2
Beach & pool
12th-best month of the year

September is a weaker month for outdoor sightseeing in Sensuntepeque.

What to pack for Sensuntepeque in September

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

In September, Sensuntepeque sees daytime highs around 31°C and nights near 21°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Sensuntepeque 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 Sensuntepeque peaks around April 11 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 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 highApr 11UV 14Dec 15UV 9
UV index (midday)Level
Jan10Very high
Feb13Extreme
Mar14Extreme
Apr14Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Very high
Dec9Very high

Air quality in Sensuntepeque 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 Sensuntepeque is worst in April — around 29 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (December, 7 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 2128 µg/m³Dec 197 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb9Good
Mar14Moderate
Apr29Moderate
May27Moderate
Jun17Moderate
Jul20Moderate
Aug16Moderate
Sep13Moderate
Oct11Good
Nov8Good
Dec7Good
Location & terrain

Where is Sensuntepeque?

Sensuntepeque sits at 13.9°N, 88.6°W, 702 m above sea level, in El Salvador. The nearest listed city is San Vicente, 31 km away.

San VicenteSan MartínCojutepequeColomoncaguaChalatenangoSuchitotoErandiqueSantiago de María

Topography around Sensuntepeque

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

Within 3 km, the terrain around Sensuntepeque has significant variations in elevation — a maximum elevation change of 366 m around an average of 690 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 954 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,817 m.

The land around Sensuntepeque is covered by trees (60%) and grassland (32%) within 3 km, trees (47%) and grassland (40%) within 16 km, and trees (62%) and grassland (25%) within 80 km.

3 km
366 m
16 km
954 m
80 km
2,817 m
treesshrubsgrasslandcroplandartificial surfaceswatermangroves
September weather nearby: San Vicente 31 km · San Martín 33 km · Cojutepeque 37 km · Colomoncagua 38 km · Chalatenango 38 km · Suchitoto 44 km · Erandique 44 km · Santiago de María 47 km

El Salvador travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
115 V · 60 Hz
Prices
≈ 41% of US
price level, 2025
GDP per capita
$5,767
2025
Happiness
6.6 / 10
World Happiness, 2025
Homicide rate
7.9
per 100k, 2022
Road deaths
20.9
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 523
Religion
Roman Catholic 44%Protestant 40%none 16%

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 Sensuntepeque (13.8758°, -88.6273°, elevation 702 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).