Dulce Nombre de Culmí weather in September

In September, Dulce Nombre de Culmí sees average daytime highs of 29°C and overnight lows near 20°C, with 151 mm of rain across 24.2 wet days and about 12.1 hours of daylight. It is the 3rd-warmest and 3rd-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 10% of the time in September, and the air most often feels muggy.

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 Dulce Nombre de Culmí's 10th-clearest and 12th-windiest month. For the whole year in context, see Dulce Nombre de Culmí's year-round climate.

Daytime high: 29°; 3rd warmest
Overnight low: 20°; 8th coldest
Rainfall: 151 mm; 24.2 wet days
Daylight: 12 h 06 min; 5:34 AM – 5:39 PM
Cloud cover: 74%; 10th clearest
Wind: 5 km/h; 12th windiest
Solar energy: 5.46 kWh/m²
Travel score: 3.5; out of 10

Dulce Nombre de Culmí is human settlement in Honduras.

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

← August Dulce Nombre de Culmí 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 Dulce Nombre de Culmí reaches about 29°C in the afternoon and slips back to 20°C overnight — a 9°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 about 1°C warmer than 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)	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20	20

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

How September really feels in Dulce Nombre de Culmí

Once humidity and wind are folded in, September averages 0 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

heat index over the day's high

Days feeling ≤ 0°C

wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Dulce Nombre de Culmí weather by month

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

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	26° / 17°	45	13.3	11.2	6.4
Feb	27° / 18°	29	9.9	11.5	6.6
Mar	29° / 18°	30	8.8	11.9	5.9
Apr	31° / 19°	42	9.9	12.3	4.7
May	30° / 21°	144	19.5	12.7	3.7
Jun	29° / 21°	182	25.9	12.9	3.4
Jul	28° / 20°	143	25.4	12.8	3.9
Aug	29° / 20°	130	24.5	12.5	3.8
Sep	29° / 20°	151	24.2	12.1	3.5
Oct	28° / 20°	189	23.7	11.7	4.1
Nov	27° / 19°	104	16.3	11.3	5.5
Dec	26° / 18°	50	13.8	11.1	6.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 10% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 17% of September, with mostly cloudy or overcast conditions the remaining 73%.

	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 (%)	33	33	32	31	31	31	30	30	30	29	29	29	28	28	28	27	26	26	25	24	24	24	24	24	23	22	22	23	22	22
Cloudier (%)	67	67	68	69	69	69	70	70	70	71	71	71	72	72	72	73	74	74	75	76	76	76	76	76	77	78	78	77	78	78

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	32	68
4	31	69
5	31	69
6	31	69
7	30	70
8	30	70
9	30	70
10	29	71
11	29	71
12	29	71
13	28	72
14	28	72
15	28	72
16	27	73
17	26	74
18	26	74
19	25	75
20	24	76
21	24	76
22	24	76
23	24	76
24	24	76
25	23	77
26	22	78
27	22	78
28	23	77
29	22	78
30	22	78

Chance of precipitation in September

Any precipitation

Dulce Nombre de Culmí gets around 151 mm of rain over 24.2 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 81% and peaks near 83% 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 (%)	79	79	79	79	79	79	79	79	79	79	79	79	80	80	80	81	81	81	82	82	82	82	83	83	82	82	82	82	82	82

	Rain chance (%)
1	79
2	79
3	79
4	79
5	79
6	79
7	79
8	79
9	79
10	79
11	79
12	79
13	80
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	82
23	83
24	83
25	82
26	82
27	82
28	82
29	82
30	82

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 58% of days. Sticky, muggy-or-worse air turns up on roughly 100% 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
Muggy (%)	64	63	62	62	61	61	61	61	61	60	60	60	59	59	58	58	58	57	57	57	56	56	55	55	55	55	55	55	55	55
Oppressive (%)	36	37	38	38	39	39	39	39	39	40	40	40	41	41	42	42	42	43	43	43	44	44	45	45	45	45	45	45	45	45

	Muggy (%)	Oppressive (%)
1	64	36
2	63	37
3	62	38
4	62	38
5	61	39
6	61	39
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	59	41
14	59	41
15	58	42
16	58	42
17	58	42
18	57	43
19	57	43
20	57	43
21	56	44
22	56	44
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45

Wind in September

Winds average 5 km/h in September, the calmest month.

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 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 5:33 AM to 5:35 AM, and sunset from 5:51 PM to 5:28 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)	12.3	12.3	12.3	12.3	12.2	12.2	12.2	12.2	12.2	12.2	12.2	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	11.9	11.9	11.9	11.9	11.9
Sunrise (AM)	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:33	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:34	5:35	5:35	5:35	5:35	5:35	5:35
Sunset (PM)	5:51	5:50	5:49	5:48	5:48	5:47	5:46	5:45	5:45	5:44	5:43	5:42	5:41	5:41	5:40	5:39	5:38	5:37	5:37	5:36	5:35	5:34	5:33	5:33	5:32	5:31	5:30	5:29	5:29	5:28

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.3	5:33	5:51
2	12.3	5:33	5:50
3	12.3	5:33	5:49
4	12.3	5:33	5:48
5	12.2	5:33	5:48
6	12.2	5:33	5:47
7	12.2	5:33	5:46
8	12.2	5:33	5:45
9	12.2	5:34	5:45
10	12.2	5:34	5:44
11	12.2	5:34	5:43
12	12.1	5:34	5:42
13	12.1	5:34	5:41
14	12.1	5:34	5:41
15	12.1	5:34	5:40
16	12.1	5:34	5:39
17	12.1	5:34	5:38
18	12.1	5:34	5:37
19	12.0	5:34	5:37
20	12.0	5:34	5:36
21	12.0	5:34	5:35
22	12.0	5:34	5:34
23	12.0	5:34	5:33
24	12.0	5:34	5:33
25	12.0	5:35	5:32
26	11.9	5:35	5:31
27	11.9	5:35	5:30
28	11.9	5:35	5:29
29	11.9	5:35	5:29
30	11.9	5:35	5:28

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.46 kWh/m².

For context, solar energy here swings from a low near 3.93 kWh/m² to a high of 6.06 kWh/m² in April across the year — September's 5.46 kWh/m² falls in the middle.

	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)	5.7	5.7	5.7	5.7	5.7	5.6	5.6	5.6	5.6	5.6	5.6	5.5	5.5	5.5	5.5	5.4	5.4	5.4	5.3	5.3	5.3	5.3	5.2	5.2	5.2	5.1	5.1	5.1	5.0	5.0
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	5.7	Bright
2	5.7	Bright
3	5.7	Bright
4	5.7	Bright
5	5.7	Bright
6	5.6	Bright
7	5.6	Bright
8	5.6	Bright
9	5.6	Bright
10	5.6	Bright
11	5.6	Bright
12	5.5	Bright
13	5.5	Bright
14	5.5	Bright
15	5.5	Bright
16	5.4	Bright
17	5.4	Bright
18	5.4	Bright
19	5.3	Bright
20	5.3	Bright
21	5.3	Bright
22	5.3	Bright
23	5.2	Bright
24	5.2	Bright
25	5.2	Bright
26	5.1	Bright
27	5.1	Bright
28	5.1	Bright
29	5.0	Bright
30	5.0	Bright

Planning a trip in September

Is September a good time to visit Dulce Nombre de Culmí?

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

3.5

Sightseeing

11th-best month of the year

4.5

Beach & pool

10th-best month of the year

September is a weaker month for outdoor sightseeing in Dulce Nombre de Culmí.

What to pack for Dulce Nombre de Culmí in September

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

In September, Dulce Nombre de Culmí sees daytime highs around 29°C and nights near 20°C. Pack light clothes and rain gear. Worth having: sun protection. About 24 days see rain.

light clothesrain gearsun protection

UV index in Dulce Nombre de Culmí 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 Dulce Nombre de Culmí peaks around April 9 at about 14 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 15 at about 8 (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)	10	12	14	14	12	13	12	13	13	12	10	8
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high	Very high

	UV index (midday)	Level
Jan	10	Extreme
Feb	12	Extreme
Mar	14	Extreme
Apr	14	Extreme
May	12	Extreme
Jun	13	Extreme
Jul	12	Extreme
Aug	13	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	10	Very high
Dec	8	Very high

Air quality in Dulce Nombre de Culmí 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 Dulce Nombre de Culmí is worst in April — around 57 µg/m³ PM2.5 (unhealthy), about 9.4× the cleanest month (December, 6 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)	6	8	13	57	44	24	28	21	14	11	7	6
Level	Good	Good	Moderate	Unhealthy	Poor	Moderate	Moderate	Moderate	Moderate	Good	Good	Good

	PM2.5 (µg/m³)	Level
Jan	6	Good
Feb	8	Good
Mar	13	Moderate
Apr	57	Unhealthy
May	44	Poor
Jun	24	Moderate
Jul	28	Moderate
Aug	21	Moderate
Sep	14	Moderate
Oct	11	Good
Nov	7	Good
Dec	6	Good

Location & terrain

Where is Dulce Nombre de Culmí?

Dulce Nombre de Culmí sits at 15.1°N, 85.5°W, 526 m above sea level, in Honduras. The nearest listed city is Catacamas, 48 km away.

Topography around Dulce Nombre de Culmí

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Dulce Nombre de Culmí.

Within 3 km, the terrain around Dulce Nombre de Culmí has only modest variations in elevation — a maximum elevation change of 111 m around an average of 524 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,525 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,319 m.

The land around Dulce Nombre de Culmí is covered by grassland (81%) within 3 km, trees (56%) and grassland (44%) within 16 km, and trees (69%) and grassland (30%) within 80 km.

3 km

111 m

grassland 81%

16 km

1,525 m

trees 56%

80 km

2,319 m

trees 69%

treesgrasslandcroplandartificial surfaces

← August Dulce Nombre de Culmí year-round climate October →Best places to visit in September

September weather nearby: Catacamas 48 km · Gualaco 58 km · Tocoa 82 km · Sabá 87 km · Juticalpa 88 km · Sonaguera 104 km · Iriona 107 km · Olanchito 119 km

Honduras travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 46% of US; price level, 2025
GDP per capita: $3,598; 2025
Happiness: 6.1 / 10; World Happiness, 2025
Safe drinking water: 66%; of population, 2024
Homicide rate: 31.4; per 100k, 2023
Road deaths: 16.1; per 100k/yr, 2019
Income group: Lower middle; World Bank
English: High; EF EPI 553
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 Dulce Nombre de Culmí (15.1°, -85.5333°, elevation 526 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	20
2	29	20
3	29	20
4	29	20
5	29	20
6	29	20
7	29	20
8	29	20
9	29	20
10	29	20
11	29	20
12	29	20
13	29	20
14	29	20
15	29	20
16	29	20
17	29	20
18	29	20
19	29	20
20	29	20
21	29	20
22	29	20
23	29	20
24	29	20
25	29	20
26	29	20
27	29	20
28	29	20
29	29	20
30	29	20

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	32	68
4	31	69
5	31	69
6	31	69
7	30	70
8	30	70
9	30	70
10	29	71
11	29	71
12	29	71
13	28	72
14	28	72
15	28	72
16	27	73
17	26	74
18	26	74
19	25	75
20	24	76
21	24	76
22	24	76
23	24	76
24	24	76
25	23	77
26	22	78
27	22	78
28	23	77
29	22	78
30	22	78

	Rain chance (%)
1	79
2	79
3	79
4	79
5	79
6	79
7	79
8	79
9	79
10	79
11	79
12	79
13	80
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	82
23	83
24	83
25	82
26	82
27	82
28	82
29	82
30	82

	Muggy (%)	Oppressive (%)
1	64	36
2	63	37
3	62	38
4	62	38
5	61	39
6	61	39
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	59	41
14	59	41
15	58	42
16	58	42
17	58	42
18	57	43
19	57	43
20	57	43
21	56	44
22	56	44
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45

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

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	32	68
4	31	69
5	31	69
6	31	69
7	30	70
8	30	70
9	30	70
10	29	71
11	29	71
12	29	71
13	28	72
14	28	72
15	28	72
16	27	73
17	26	74
18	26	74
19	25	75
20	24	76
21	24	76
22	24	76
23	24	76
24	24	76
25	23	77
26	22	78
27	22	78
28	23	77
29	22	78
30	22	78

	Rain chance (%)
1	79
2	79
3	79
4	79
5	79
6	79
7	79
8	79
9	79
10	79
11	79
12	79
13	80
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	82
23	83
24	83
25	82
26	82
27	82
28	82
29	82
30	82

	Muggy (%)	Oppressive (%)
1	64	36
2	63	37
3	62	38
4	62	38
5	61	39
6	61	39
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	59	41
14	59	41
15	58	42
16	58	42
17	58	42
18	57	43
19	57	43
20	57	43
21	56	44
22	56	44
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45

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

	Clearer (%)	Cloudier (%)
1	33	67
2	33	67
3	32	68
4	31	69
5	31	69
6	31	69
7	30	70
8	30	70
9	30	70
10	29	71
11	29	71
12	29	71
13	28	72
14	28	72
15	28	72
16	27	73
17	26	74
18	26	74
19	25	75
20	24	76
21	24	76
22	24	76
23	24	76
24	24	76
25	23	77
26	22	78
27	22	78
28	23	77
29	22	78
30	22	78

	Rain chance (%)
1	79
2	79
3	79
4	79
5	79
6	79
7	79
8	79
9	79
10	79
11	79
12	79
13	80
14	80
15	80
16	81
17	81
18	81
19	82
20	82
21	82
22	82
23	83
24	83
25	82
26	82
27	82
28	82
29	82
30	82

	Muggy (%)	Oppressive (%)
1	64	36
2	63	37
3	62	38
4	62	38
5	61	39
6	61	39
7	61	39
8	61	39
9	61	39
10	60	40
11	60	40
12	60	40
13	59	41
14	59	41
15	58	42
16	58	42
17	58	42
18	57	43
19	57	43
20	57	43
21	56	44
22	56	44
23	55	45
24	55	45
25	55	45
26	55	45
27	55	45
28	55	45
29	55	45
30	55	45