Simití weather in September

In September, Simití sees average daytime highs of 30°C and overnight lows near 23°C, with 182 mm of rain across 26.3 wet days and about 12 hours of daylight. It is the 8th-warmest and 5th-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 0% of the time in September, and the air most often feels oppressive.

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 Simití's 11th-clearest and 2nd-windiest month. For the whole year in context, see Simití's year-round climate.

Daytime high
30°
8th warmest
Overnight low
23°
4th coldest
Rainfall
182 mm
26.3 wet days
Daylight
12 hours
5:49 AM – 5:51 PM
Cloud cover
91%
11th clearest
Wind
5 km/h
2nd windiest
Solar energy
4.83 kWh/m²
Travel score
3.0
out of 10

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 Simití reaches about 30°C in the afternoon and slips back to 23°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 32°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
83023
93023
103023
113023
123023
133023
143023
153023
163023
173023
183023
193023
202923
212923
222923
232923
242923
252923
262923
272923
282923
292923
302923

How September really feels in Simití

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.

Simití weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°52911.64.8
Feb32° / 23°7312.911.73.7
Mar31° / 23°17321.911.93.1
Apr30° / 23°25126.812.22.8
May30° / 23°28128.212.42.8
Jun30° / 23°1682412.53.2
Jul30° / 23°12523.412.43.3
Aug30° / 23°14625.212.33.0
Sep30° / 23°18226.3123.0
Oct29° / 23°26328.611.83.0
Nov29° / 23°26926.611.63.2
Dec30° / 23°10917.111.54.3

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 0% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 3% of September, with mostly cloudy or overcast conditions the remaining 96%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
1595
2595
3595
4595
5595
6595
7595
8496
9496
10397
11397
12397
13397
14397
15397
16397
17397
18397
19496
20496
21496
22397
23397
24397
25298
26298
27298
28298
29298
30397

Chance of precipitation in September

Any precipitation

Simití gets around 182 mm of rain over 26.3 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 87% and peaks near 89% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
184
285
385
485
586
686
787
887
988
1088
1189
1289
1389
1489
1589
1689
1788
1888
1988
2088
2188
2288
2388
2487
2587
2687
2788
2888
2988
3088

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 94% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
11945
20955
30946
40946
50946
60955
70955
80955
90955
100955
110955
120955
130955
140955
150955
160955
170955
180946
190946
200946
210937
220937
230937
240928
250928
260928
270928
280928
290928
300928

Wind in September

Winds average 5 km/h in September.

Across September, daily wind ranges from about 5 km/h on the calmest days to 5 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
165calm
175calm
185calm
195calm
205calm
215calm
225calm
235calm
245calm
255calm
265calm
275calm
285calm
295calm
305calm

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 5:51 AM to 5:47 AM, and sunset from 6:00 PM to 5:43 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:516:00
212.15:516:00
312.15:515:59
412.15:515:58
512.15:505:58
612.15:505:57
712.15:505:57
812.15:505:56
912.15:505:56
1012.15:505:55
1112.15:505:54
1212.15:495:54
1312.15:495:53
1412.15:495:53
1512.15:495:52
1612.05:495:51
1712.05:495:51
1812.05:495:50
1912.05:485:50
2012.05:485:49
2112.05:485:48
2212.05:485:48
2312.05:485:47
2412.05:485:47
2512.05:485:46
2612.05:475:45
2712.05:475:45
2812.05:475:44
2911.95:475:44
3011.95:475:43

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.83 kWh/m².

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 5.58 kWh/m² in February across the year — September's 4.83 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
35.0Bright
45.0Bright
55.0Bright
65.0Bright
75.0Bright
85.0Bright
95.0Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.7Bright
234.7Bright
244.7Bright
254.7Bright
264.7Bright
274.7Bright
284.7Bright
294.7Bright
304.7Bright
Planning a trip in September

Is September a good time to visit Simití?

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

3.0
Sightseeing
8th-best month of the year
4.0
Beach & pool
9th-best month of the year

September is a weaker month for outdoor sightseeing in Simití.

What to pack for Simití in September

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

In September, Simití sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 26 days see rain.

light clothesrain gearsun protection

UV index in Simití 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 Simití peaks around February 16 at about 13 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 13 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highFeb 16UV 13Dec 13UV 10
UV index (midday)Level
Jan11Extreme
Feb13Extreme
Mar12Extreme
Apr11Extreme
May13Extreme
Jun13Extreme
Jul12Extreme
Aug12Extreme
Sep13Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Simití 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 Simití is worst in March — around 49 µg/m³ PM2.5 (poor), about 4.5× the cleanest month (December, 11 µg/m³).

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

0204060JanFebMarAprMayJunJulAugSepOctNovDecModeratePoorModerateGoodMar 1746 µg/m³Dec 1111 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb26Moderate
Mar49Poor
Apr28Moderate
May19Moderate
Jun18Moderate
Jul18Moderate
Aug16Moderate
Sep12Moderate
Oct12Good
Nov11Good
Dec11Good
Location & terrain

Where is Simití?

Simití sits at 8.0°N, 73.9°W, 48 m above sea level, in Colombia. The nearest listed city is Morales, 36 km away.

Topography around Simití

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

Within 3 km, the terrain around Simití has only modest variations in elevation — a maximum elevation change of 117 m around an average of 57 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 843 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,508 m.

The land around Simití is covered by water (41%), grassland (33%) and trees (24%) within 3 km, grassland (47%) and trees (42%) within 16 km, and trees (64%) and grassland (33%) within 80 km.

3 km
117 m
16 km
843 m
80 km
3,508 m
treesgrasslandartificial surfaceswater
September weather nearby: Morales 36 km · San Martín 48 km · Aguachica 53 km · Puerto Wilches 68 km · Ocaña 72 km · Tiquisio 75 km · Sabana de Torres 80 km · Nechí 93 km

Colombia travel facts

Travel advisory
Level 3
Reconsider Travel
Power plugs
Type A / B
120 / 240 V · 60 Hz
Prices
≈ 38% of US
price level, 2025
GDP per capita
$8,562
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
74%
of population, 2024
Homicide rate
24.9
per 100k, 2023
Road deaths
15.4
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 480
Religion
Roman Catholic 64%Protestant 17%none 14%atheist 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 Simití (7.9579°, -73.9436°, elevation 48 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).