Melgar weather in September

In September, Melgar sees average daytime highs of 29°C and overnight lows near 21°C, with 288 mm of rain across 26.3 wet days and about 12 hours of daylight. It is the 4th-warmest and 8th-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 2% 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 Melgar's 5th-clearest and 1st-windiest month. For the whole year in context, see Melgar's year-round climate.

Daytime high: 29°; 4th warmest
Overnight low: 21°; 4th coldest
Rainfall: 288 mm; 26.3 wet days
Daylight: 12 hours; 5:52 AM – 5:54 PM
Cloud cover: 84%; 5th clearest
Wind: 5 km/h; 1st windiest
Solar energy: 5.05 kWh/m²
Travel score: 3.1; out of 10

← August Melgar year-round climate October →Best places to visit in September

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

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 Melgar reaches about 29°C in the afternoon and slips back to 21°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 31°C. Set against its neighbours, September runs on par with August and on par with October.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Avg high (°C)	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29	29
Avg low (°C)	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21	21

	Avg high (°C)	Avg low (°C)
1	29	21
2	29	21
3	29	21
4	29	21
5	29	21
6	29	21
7	29	21
8	29	21
9	29	21
10	29	21
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21

Melgar weather by month

How September compares with the rest of the year at a glance. September is the 4th-warmest and 8th-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	30° / 22°	125	16.5	11.8	4.1
Feb	30° / 22°	191	17.6	11.9	3.6
Mar	30° / 22°	322	25.1	12	3.1
Apr	29° / 22°	537	28	12.1	2.9
May	29° / 22°	679	30.3	12.2	2.9
Jun	28° / 21°	643	29.8	12.2	2.9
Jul	28° / 20°	530	30.5	12.2	3.0
Aug	29° / 21°	344	28.5	12.1	3.0
Sep	29° / 21°	288	26.3	12	3.1
Oct	29° / 21°	300	26.7	11.9	3.2
Nov	29° / 22°	253	23.9	11.8	3.5
Dec	29° / 22°	200	20.9	11.8	3.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 2% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 7% of September, with mostly cloudy or overcast conditions the remaining 91%.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Clearer (%)	10	10	11	11	11	11	11	11	11	11	10	10	10	10	9	9	9	9	7	7	7	7	7	7	7	7	7	6	6	6
Cloudier (%)	90	90	89	89	89	89	89	89	89	89	90	90	90	90	91	91	91	91	93	93	93	93	93	93	93	93	93	94	94	94

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	11	89
10	11	89
11	10	90
12	10	90
13	10	90
14	10	90
15	9	91
16	9	91
17	9	91
18	9	91
19	7	93
20	7	93
21	7	93
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	7	93
28	6	94
29	6	94
30	6	94

Chance of precipitation in September

Any precipitation

Melgar gets around 288 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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Rain chance (%)	88	88	87	87	87	87	86	86	86	86	87	87	87	87	87	88	88	88	88	88	89	88	88	88	88	87	87	86	86	86

	Rain chance (%)
1	88
2	88
3	87
4	87
5	87
6	87
7	86
8	86
9	86
10	86
11	87
12	87
13	87
14	87
15	87
16	88
17	88
18	88
19	88
20	88
21	89
22	88
23	88
24	88
25	88
26	87
27	87
28	86
29	86
30	86

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 95% of days. Sticky, muggy-or-worse air turns up on roughly 96% of them.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Humid (%)	6	6	6	6	6	6	6	6	6	6	6	5	5	5	5	4	4	4	4	4	4	3	3	3	3	3	2	2	2	2
Muggy (%)	93	93	93	93	93	93	93	93	93	93	93	94	94	94	94	95	95	95	95	95	95	96	96	96	96	96	97	97	96	96
Oppressive (%)	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	1	2	2

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	93	1
2	6	93	1
3	6	93	1
4	6	93	1
5	6	93	1
6	6	93	1
7	6	93	1
8	6	93	1
9	6	93	1
10	6	93	1
11	6	93	1
12	5	94	1
13	5	94	1
14	5	94	1
15	5	94	1
16	4	95	1
17	4	95	1
18	4	95	1
19	4	95	1
20	4	95	1
21	4	95	1
22	3	96	1
23	3	96	1
24	3	96	1
25	3	96	1
26	3	96	1
27	2	97	1
28	2	97	1
29	2	96	2
30	2	96	2

Wind in September

Winds average 5 km/h in September, the windiest month of the year.

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.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Wind speed (km/h)	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5	5
Feels	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm	calm

	Wind speed (km/h)	Feels
1	5	calm
2	5	calm
3	5	calm
4	5	calm
5	5	calm
6	5	calm
7	5	calm
8	5	calm
9	5	calm
10	5	calm
11	5	calm
12	5	calm
13	5	calm
14	5	calm
15	5	calm
16	5	calm
17	5	calm
18	5	calm
19	5	calm
20	5	calm
21	5	calm
22	5	calm
23	5	calm
24	5	calm
25	5	calm
26	5	calm
27	5	calm
28	5	calm
29	5	calm
30	5	calm

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 5:56 AM to 5:49 AM, and sunset from 6:01 PM to 5:47 PM.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Daylight (h)	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.1	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0	12.0
Sunrise (AM)	5:56	5:56	5:55	5:55	5:55	5:55	5:54	5:54	5:54	5:54	5:53	5:53	5:53	5:53	5:52	5:52	5:52	5:52	5:51	5:51	5:51	5:51	5:50	5:50	5:50	5:50	5:50	5:49	5:49	5:49
Sunset (PM)	6:01	6:00	6:00	5:59	5:59	5:58	5:58	5:57	5:57	5:56	5:56	5:56	5:55	5:55	5:54	5:54	5:53	5:53	5:52	5:52	5:51	5:51	5:50	5:50	5:49	5:49	5:48	5:48	5:47	5:47

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.1	5:56	6:01
2	12.1	5:56	6:00
3	12.1	5:55	6:00
4	12.1	5:55	5:59
5	12.1	5:55	5:59
6	12.1	5:55	5:58
7	12.1	5:54	5:58
8	12.1	5:54	5:57
9	12.1	5:54	5:57
10	12.0	5:54	5:56
11	12.0	5:53	5:56
12	12.0	5:53	5:56
13	12.0	5:53	5:55
14	12.0	5:53	5:55
15	12.0	5:52	5:54
16	12.0	5:52	5:54
17	12.0	5:52	5:53
18	12.0	5:52	5:53
19	12.0	5:51	5:52
20	12.0	5:51	5:52
21	12.0	5:51	5:51
22	12.0	5:51	5:51
23	12.0	5:50	5:50
24	12.0	5:50	5:50
25	12.0	5:50	5:49
26	12.0	5:50	5:49
27	12.0	5:50	5:48
28	12.0	5:49	5:48
29	12.0	5:49	5:47
30	12.0	5:49	5:47

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.05 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 3.98 kWh/m² to a high of 5.05 kWh/m² in September across the year — September's 5.05 kWh/m² sits near the top of that range.

	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
Solar energy (kWh/m²)	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.1	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	5.0	4.9	4.9	4.9	4.9	4.9
Level	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright	Bright

	Solar energy (kWh/m²)	Level
1	5.1	Bright
2	5.1	Bright
3	5.1	Bright
4	5.1	Bright
5	5.1	Bright
6	5.1	Bright
7	5.1	Bright
8	5.1	Bright
9	5.1	Bright
10	5.1	Bright
11	5.1	Bright
12	5.1	Bright
13	5.1	Bright
14	5.1	Bright
15	5.0	Bright
16	5.0	Bright
17	5.0	Bright
18	5.0	Bright
19	5.0	Bright
20	5.0	Bright
21	5.0	Bright
22	5.0	Bright
23	5.0	Bright
24	5.0	Bright
25	5.0	Bright
26	4.9	Bright
27	4.9	Bright
28	4.9	Bright
29	4.9	Bright
30	4.9	Bright

Planning a trip in September

Hazard calendar for Melgar

In seasonPeak

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

Melgar's rainy season runs March–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 Melgar?

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

3.1

Sightseeing

6th-best month of the year

4.1

Beach & pool

7th-best month of the year

September is a weaker month for outdoor sightseeing in Melgar.

What to pack for Melgar in September

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

In September, Melgar sees daytime highs around 29°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 Melgar 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 Melgar peaks around February 17 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 10 (very high).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
UV index (midday)	12	14	13	11	13	12	12	11	13	12	11	9
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	12	Extreme
Feb	14	Extreme
Mar	13	Extreme
Apr	11	Extreme
May	13	Extreme
Jun	12	Extreme
Jul	12	Extreme
Aug	11	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	11	Extreme
Dec	9	Very high

Air quality in Melgar 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 Melgar is worst in March — around 40 µg/m³ PM2.5 (poor), about 1.9× the cleanest month (July, 21 µg/m³).

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	31	36	40	35	28	24	21	25	31	29	28	31
Level	Moderate	Poor	Poor	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	31	Moderate
Feb	36	Poor
Mar	40	Poor
Apr	35	Moderate
May	28	Moderate
Jun	24	Moderate
Jul	21	Moderate
Aug	25	Moderate
Sep	31	Moderate
Oct	29	Moderate
Nov	28	Moderate
Dec	31	Moderate

Location & terrain

Where is Melgar?

Melgar sits at 4.2°N, 74.6°W, 325 m above sea level, in Colombia. The nearest listed city is Girardot City, 21 km away.

Topography around Melgar

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

Within 3 km, the terrain around Melgar has only modest variations in elevation — a maximum elevation change of 225 m around an average of 375 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,821 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,996 m.

The land around Melgar is covered by trees (68%) within 3 km, trees (63%) and grassland (35%) within 16 km, and trees (54%) and grassland (38%) within 80 km.

3 km

225 m

trees 68%

16 km

1,821 m

trees 63%

80 km

3,996 m

trees 54%

treesgrasslandcroplandartificial surfaceswater

← August Melgar year-round climate October →Best places to visit in September

September weather nearby: Girardot City 21 km · Flandes 22 km · Espinal 28 km · Fusagasugá 34 km · Silvania 36 km · Guamo 41 km · Purificación 50 km · Payandé 52 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

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 Melgar (4.2047°, -74.6407°, elevation 325 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).

	Avg high (°C)	Avg low (°C)
1	29	21
2	29	21
3	29	21
4	29	21
5	29	21
6	29	21
7	29	21
8	29	21
9	29	21
10	29	21
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	11	89
10	11	89
11	10	90
12	10	90
13	10	90
14	10	90
15	9	91
16	9	91
17	9	91
18	9	91
19	7	93
20	7	93
21	7	93
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	7	93
28	6	94
29	6	94
30	6	94

	Rain chance (%)
1	88
2	88
3	87
4	87
5	87
6	87
7	86
8	86
9	86
10	86
11	87
12	87
13	87
14	87
15	87
16	88
17	88
18	88
19	88
20	88
21	89
22	88
23	88
24	88
25	88
26	87
27	87
28	86
29	86
30	86

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	93	1
2	6	93	1
3	6	93	1
4	6	93	1
5	6	93	1
6	6	93	1
7	6	93	1
8	6	93	1
9	6	93	1
10	6	93	1
11	6	93	1
12	5	94	1
13	5	94	1
14	5	94	1
15	5	94	1
16	4	95	1
17	4	95	1
18	4	95	1
19	4	95	1
20	4	95	1
21	4	95	1
22	3	96	1
23	3	96	1
24	3	96	1
25	3	96	1
26	3	96	1
27	2	97	1
28	2	97	1
29	2	96	2
30	2	96	2

	Avg high (°C)	Avg low (°C)
1	29	21
2	29	21
3	29	21
4	29	21
5	29	21
6	29	21
7	29	21
8	29	21
9	29	21
10	29	21
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	11	89
10	11	89
11	10	90
12	10	90
13	10	90
14	10	90
15	9	91
16	9	91
17	9	91
18	9	91
19	7	93
20	7	93
21	7	93
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	7	93
28	6	94
29	6	94
30	6	94

	Rain chance (%)
1	88
2	88
3	87
4	87
5	87
6	87
7	86
8	86
9	86
10	86
11	87
12	87
13	87
14	87
15	87
16	88
17	88
18	88
19	88
20	88
21	89
22	88
23	88
24	88
25	88
26	87
27	87
28	86
29	86
30	86

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	93	1
2	6	93	1
3	6	93	1
4	6	93	1
5	6	93	1
6	6	93	1
7	6	93	1
8	6	93	1
9	6	93	1
10	6	93	1
11	6	93	1
12	5	94	1
13	5	94	1
14	5	94	1
15	5	94	1
16	4	95	1
17	4	95	1
18	4	95	1
19	4	95	1
20	4	95	1
21	4	95	1
22	3	96	1
23	3	96	1
24	3	96	1
25	3	96	1
26	3	96	1
27	2	97	1
28	2	97	1
29	2	96	2
30	2	96	2

	Avg high (°C)	Avg low (°C)
1	29	21
2	29	21
3	29	21
4	29	21
5	29	21
6	29	21
7	29	21
8	29	21
9	29	21
10	29	21
11	29	21
12	29	21
13	29	21
14	29	21
15	29	21
16	29	21
17	29	21
18	29	21
19	29	21
20	29	21
21	29	21
22	29	21
23	29	21
24	29	21
25	29	21
26	29	21
27	29	21
28	29	21
29	29	21
30	29	21

	Clearer (%)	Cloudier (%)
1	10	90
2	10	90
3	11	89
4	11	89
5	11	89
6	11	89
7	11	89
8	11	89
9	11	89
10	11	89
11	10	90
12	10	90
13	10	90
14	10	90
15	9	91
16	9	91
17	9	91
18	9	91
19	7	93
20	7	93
21	7	93
22	7	93
23	7	93
24	7	93
25	7	93
26	7	93
27	7	93
28	6	94
29	6	94
30	6	94

	Rain chance (%)
1	88
2	88
3	87
4	87
5	87
6	87
7	86
8	86
9	86
10	86
11	87
12	87
13	87
14	87
15	87
16	88
17	88
18	88
19	88
20	88
21	89
22	88
23	88
24	88
25	88
26	87
27	87
28	86
29	86
30	86

	Humid (%)	Muggy (%)	Oppressive (%)
1	6	93	1
2	6	93	1
3	6	93	1
4	6	93	1
5	6	93	1
6	6	93	1
7	6	93	1
8	6	93	1
9	6	93	1
10	6	93	1
11	6	93	1
12	5	94	1
13	5	94	1
14	5	94	1
15	5	94	1
16	4	95	1
17	4	95	1
18	4	95	1
19	4	95	1
20	4	95	1
21	4	95	1
22	3	96	1
23	3	96	1
24	3	96	1
25	3	96	1
26	3	96	1
27	2	97	1
28	2	97	1
29	2	96	2
30	2	96	2