Caucasia weather in September

In September, Caucasia sees average daytime highs of 32°C and overnight lows near 24°C, with 257 mm of rain across 29.1 wet days and about 12 hours of daylight. It is the 10th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 32°C through the month. The sky is clear or mostly clear about 1% 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 Caucasia's 9th-clearest and 5th-windiest month. For the whole year in context, see Caucasia's year-round climate.

Daytime high
32°
10th warmest
Overnight low
24°
4th coldest
Rainfall
257 mm
29.1 wet days
Daylight
12 hours
5:54 AM – 5:56 PM
Cloud cover
91%
9th clearest
Wind
4 km/h
5th windiest
Solar energy
4.86 kWh/m²
Travel score
2.1
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 32°C through the month.

A typical September day in Caucasia reaches about 32°C in the afternoon and slips back to 24°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 30°C and 34°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)
13224
23224
33224
43224
53224
63224
73224
83224
93224
103224
113224
123224
133224
143224
153224
163224
173224
183224
193224
203224
213224
223224
233224
243224
253224
263224
273224
283224
293224
303224

How September really feels in Caucasia

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
30 feel dangerously hot (≥ 39°C)
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.

Caucasia weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan33° / 24°5314.211.63.2
Feb35° / 25°5610.811.72.5
Mar35° / 25°12820.811.92.0
Apr33° / 25°2362812.21.9
May32° / 25°29630.112.42.0
Jun32° / 25°25528.612.52.0
Jul32° / 24°25928.912.42.1
Aug32° / 24°2642912.32.1
Sep32° / 24°25729.1122.1
Oct32° / 24°26930.411.82.1
Nov32° / 24°23628.911.62.3
Dec32° / 24°1322411.52.7

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 1% 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 (%)
1496
2496
3496
4496
5496
6496
7496
8496
9496
10496
11496
12496
13496
14496
15496
16496
17496
18397
19397
20397
21397
22397
23397
24397
25397
26397
27397
28397
29397
30397

Chance of precipitation in September

Any precipitation

Caucasia gets around 257 mm of rain over 29.1 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 97% and peaks near 98% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
295
395
495
596
696
796
896
997
1097
1197
1297
1397
1497
1597
1697
1797
1897
1997
2097
2197
2297
2397
2497
2597
2697
2797
2897
2997
3098

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 90% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Oppressive (%)Miserable (%)
1991
2991
3991
4991
5991
6991
7991
8991
9991
10991
11991
12991
13991
14991
15991
161090
171090
181090
191189
201189
211189
221288
231288
241288
251288
261288
271387
281387
291387
301387

Wind in September

Winds average 4 km/h in September.

Across September, daily wind ranges from about 4 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
194calm
204calm
214calm
224calm
234calm
244calm
254calm
264calm
274calm
284calm
294calm
304calm

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 5:56 AM to 5:52 AM, and sunset from 6:05 PM to 5:48 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.25:566:05
212.15:566:05
312.15:566:04
412.15:556:03
512.15:556:03
612.15:556:02
712.15:556:02
812.15:556:01
912.15:556:01
1012.15:556:00
1112.15:555:59
1212.15:545:59
1312.15:545:58
1412.15:545:58
1512.15:545:57
1612.05:545:56
1712.05:545:56
1812.05:545:55
1912.05:535:55
2012.05:535:54
2112.05:535:53
2212.05:535:53
2312.05:535:52
2412.05:535:52
2512.05:535:51
2612.05:525:50
2712.05:525:50
2812.05:525:49
2911.95:525:49
3011.95:525:48

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.86 kWh/m².

For context, solar energy here swings from a low near 4.34 kWh/m² to a high of 5.47 kWh/m² in March across the year — September's 4.86 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
15.0Bright
25.0Bright
34.9Bright
44.9Bright
54.9Bright
64.9Bright
74.9Bright
84.9Bright
94.9Bright
104.9Bright
114.9Bright
124.9Bright
134.9Bright
144.9Bright
154.9Bright
164.8Bright
174.8Bright
184.8Bright
194.8Bright
204.8Bright
214.8Bright
224.8Bright
234.8Bright
244.8Bright
254.8Bright
264.8Bright
274.8Bright
284.8Bright
294.8Bright
304.8Bright
Planning a trip in September

Is September a good time to visit Caucasia?

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

2.1
Sightseeing
5th-best month of the year
3.4
Beach & pool
10th-best month of the year

September is a weaker month for outdoor sightseeing in Caucasia.

What to pack for Caucasia in September

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

In September, Caucasia sees daytime highs around 32°C and nights near 24°C. Pack light clothes and rain gear. Worth having: sun protection. About 29 days see rain.

light clothesrain gearsun protection

UV index in Caucasia 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 Caucasia peaks around September 17 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 14 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 highSep 17UV 12Dec 14UV 10
UV index (midday)Level
Jan11Extreme
Feb12Extreme
Mar12Extreme
Apr12Extreme
May12Extreme
Jun12Extreme
Jul12Extreme
Aug12Extreme
Sep12Extreme
Oct12Extreme
Nov10Extreme
Dec10Very high

Air quality in Caucasia 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 Caucasia is worst in March — around 37 µg/m³ PM2.5 (poor), about 3.2× the cleanest month (November, 12 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodMar 1836 µg/m³Nov 2312 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb22Moderate
Mar37Poor
Apr26Moderate
May19Moderate
Jun17Moderate
Jul16Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov12Good
Dec12Good
Location & terrain

Where is Caucasia?

Caucasia sits at 8.0°N, 75.2°W, 50 m above sea level, in Colombia. The nearest listed city is Montelíbano, 25 km away.

Topography around Caucasia

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

Within 3 km, the terrain around Caucasia has only modest variations in elevation — a maximum elevation change of 63 m around an average of 56 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 100 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,144 m.

The land around Caucasia is covered by grassland (49%) and trees (29%) within 3 km, grassland (63%) and trees (33%) within 16 km, and trees (49%) and grassland (43%) within 80 km.

3 km
63 m
16 km
100 m
80 km
2,144 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Montelíbano 25 km · Ayapel 37 km · Nechí 48 km · El Bagre 60 km · Planeta Rica 64 km · Zaragoza 66 km · San Marcos 75 km · Tierralta 98 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 Caucasia (7.9865°, -75.1935°, elevation 50 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).