Comitancillo weather in September

In September, Comitancillo sees average daytime highs of 20°C and overnight lows near 13°C, with 415 mm of rain across 29.7 wet days and about 12.1 hours of daylight. It is the 8th-warmest and 2nd-wettest month of the year here.

Day-to-day highs hold fairly steady near 20°C through the month. The sky is clear or mostly clear about 0% of the time in September, and the air most often feels comfortable.

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 Comitancillo's 11th-clearest and 10th-windiest month. For the whole year in context, see Comitancillo's year-round climate.

Daytime high: 20°; 8th warmest
Overnight low: 13°; 11th coldest
Rainfall: 415 mm; 29.7 wet days
Daylight: 12 h 06 min; 5:59 AM – 6:04 PM
Cloud cover: 88%; 11th clearest
Wind: 4 km/h; 10th windiest
Solar energy: 4.69 kWh/m²
Travel score: 3.2; out of 10

← August Comitancillo 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 20°C through the month.

A typical September day in Comitancillo reaches about 20°C in the afternoon and slips back to 13°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 21°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)	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 low (°C)	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13	13

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

Comitancillo weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 2nd-wettest month here — the current month is highlighted below.

Month	High / Low (°C)	Rainfall (mm)	Wet days	Daylight (hours)	Travel score
Jan	20° / 10°	24	7.4	11.2	6.9
Feb	21° / 10°	25	7.9	11.5	7.0
Mar	21° / 11°	64	16.7	11.9	5.8
Apr	21° / 12°	124	23.8	12.3	4.5
May	21° / 13°	323	29.7	12.7	3.5
Jun	20° / 13°	416	29.2	12.9	3.3
Jul	20° / 12°	268	28.3	12.8	3.6
Aug	20° / 12°	325	29.7	12.5	3.4
Sep	20° / 13°	415	29.7	12.1	3.2
Oct	20° / 12°	293	28.8	11.7	3.5
Nov	20° / 11°	85	18	11.3	5.1
Dec	19° / 10°	34	8.6	11.1	6.6

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 5% of September, with mostly cloudy or overcast conditions the remaining 95%.

	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 (%)	7	7	7	7	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	6
Cloudier (%)	93	93	93	93	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	95	94

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

Chance of precipitation in September

Any precipitation

Comitancillo gets around 415 mm of rain over 29.7 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 99% and peaks near 100% 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 (%)	98	98	98	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	99	100	100	100	100	100	100	100	99

	Rain chance (%)
1	98
2	98
3	98
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	99
22	99
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	99

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels comfortable — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the comfortable band about 77% of days. It rarely turns muggy — the humid and sticky bands barely register.

	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
Dry (%)	29	28	28	27	27	26	26	26	26	25	25	24	24	23	23	22	22	21	21	20	19	19	18	18	18	17	17	18	18	19
Comfortable (%)	71	72	72	73	73	74	74	74	74	75	75	76	76	77	77	78	78	79	79	80	81	81	82	82	82	83	83	82	82	81

	Dry (%)	Comfortable (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	26	74
7	26	74
8	26	74
9	26	74
10	25	75
11	25	75
12	24	76
13	24	76
14	23	77
15	23	77
16	22	78
17	22	78
18	21	79
19	21	79
20	20	80
21	19	81
22	19	81
23	18	82
24	18	82
25	18	82
26	17	83
27	17	83
28	18	82
29	18	82
30	19	81

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.

	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)	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4	4
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	4	calm
2	4	calm
3	4	calm
4	4	calm
5	4	calm
6	4	calm
7	4	calm
8	4	calm
9	4	calm
10	4	calm
11	4	calm
12	4	calm
13	4	calm
14	4	calm
15	4	calm
16	4	calm
17	4	calm
18	4	calm
19	4	calm
20	4	calm
21	4	calm
22	4	calm
23	4	calm
24	4	calm
25	4	calm
26	4	calm
27	4	calm
28	4	calm
29	4	calm
30	4	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 5:58 AM to 6:00 AM, and sunset from 6:16 PM to 5:53 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)	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:58	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	5:59	6:00	6:00	6:00	6:00	6:00
Sunset (PM)	6:16	6:15	6:14	6:13	6:13	6:12	6:11	6:10	6:09	6:09	6:08	6:07	6:06	6:05	6:05	6:04	6:03	6:02	6:01	6:01	6:00	5:59	5:58	5:57	5:57	5:56	5:55	5:54	5:53	5:53

	Daylight (h)	Sunrise (AM)	Sunset (PM)
1	12.3	5:58	6:16
2	12.3	5:58	6:15
3	12.3	5:58	6:14
4	12.3	5:58	6:13
5	12.2	5:58	6:13
6	12.2	5:58	6:12
7	12.2	5:58	6:11
8	12.2	5:58	6:10
9	12.2	5:58	6:09
10	12.2	5:58	6:09
11	12.2	5:59	6:08
12	12.1	5:59	6:07
13	12.1	5:59	6:06
14	12.1	5:59	6:05
15	12.1	5:59	6:05
16	12.1	5:59	6:04
17	12.1	5:59	6:03
18	12.1	5:59	6:02
19	12.0	5:59	6:01
20	12.0	5:59	6:01
21	12.0	5:59	6:00
22	12.0	5:59	5:59
23	12.0	5:59	5:58
24	12.0	5:59	5:57
25	12.0	5:59	5:57
26	11.9	6:00	5:56
27	11.9	6:00	5:55
28	11.9	6:00	5:54
29	11.9	6:00	5:53
30	11.9	6:00	5:53

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.69 kWh/m².

For context, solar energy here swings from a low near 4.48 kWh/m² to a high of 6.24 kWh/m² in April across the year — September's 4.69 kWh/m² sits near the bottom.

	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)	5.0	5.0	5.0	5.0	5.0	4.9	4.9	4.9	4.9	4.9	4.8	4.8	4.8	4.8	4.8	4.7	4.7	4.7	4.6	4.6	4.6	4.5	4.5	4.5	4.5	4.4	4.4	4.4	4.4	4.4
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	5.0	Bright
2	5.0	Bright
3	5.0	Bright
4	5.0	Bright
5	5.0	Bright
6	4.9	Bright
7	4.9	Bright
8	4.9	Bright
9	4.9	Bright
10	4.9	Bright
11	4.8	Bright
12	4.8	Bright
13	4.8	Bright
14	4.8	Bright
15	4.8	Bright
16	4.7	Bright
17	4.7	Bright
18	4.7	Bright
19	4.6	Bright
20	4.6	Bright
21	4.6	Bright
22	4.5	Bright
23	4.5	Bright
24	4.5	Bright
25	4.5	Bright
26	4.4	Bright
27	4.4	Bright
28	4.4	Bright
29	4.4	Bright
30	4.4	Bright

Planning a trip in September

Hazard calendar for Comitancillo

In seasonPeak

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

Comitancillo's rainy season runs May–October, 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 Comitancillo?

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

3.2

Sightseeing

12th-best month of the year

1.8

Beach & pool

12th-best month of the year

September is a weaker month for outdoor sightseeing in Comitancillo.

What to pack for Comitancillo in September

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

In September, Comitancillo sees daytime highs around 20°C and nights near 13°C. Pack rain gear. Worth having: sun protection. About 30 days see rain.

rain gearsun protection

UV index in Comitancillo 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 Comitancillo peaks around April 13 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 17 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)	10	14	15	16	13	14	14	14	13	12	10	10
Level	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Extreme	Very high

	UV index (midday)	Level
Jan	10	Extreme
Feb	14	Extreme
Mar	15	Extreme
Apr	16	Extreme
May	13	Extreme
Jun	14	Extreme
Jul	14	Extreme
Aug	14	Extreme
Sep	13	Extreme
Oct	12	Extreme
Nov	10	Extreme
Dec	10	Very high

Air quality in Comitancillo 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 Comitancillo is worst in May — around 34 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
PM2.5 (µg/m³)	23	22	25	34	34	23	23	22	23	23	23	25
Level	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate

	PM2.5 (µg/m³)	Level
Jan	23	Moderate
Feb	22	Moderate
Mar	25	Moderate
Apr	34	Moderate
May	34	Moderate
Jun	23	Moderate
Jul	23	Moderate
Aug	22	Moderate
Sep	23	Moderate
Oct	23	Moderate
Nov	23	Moderate
Dec	25	Moderate

Location & terrain

Where is Comitancillo?

Comitancillo sits at 15.1°N, 91.7°W, 2,271 m above sea level, in Guatemala. The nearest listed city is Cabricán, 11 km away.

Topography around Comitancillo

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

Within 3 km, the terrain around Comitancillo has large variations in elevation — a maximum elevation change of 751 m around an average of 2,353 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 2,030 m; within 80 km, extreme variations in elevation — a maximum elevation change of 4,178 m.

The land around Comitancillo is covered by trees (57%) and cropland (22%) within 3 km, trees (70%) within 16 km, and trees (76%) within 80 km.

3 km

751 m

trees 57%

16 km

2,030 m

trees 70%

80 km

4,178 m

trees 76%

treesshrubsgrasslandcroplandartificial surfaceswater

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

September weather nearby: Cabricán 11 km · San Pedro Sacatepéquez 14 km · San Marcos 15 km · Ostuncalco 28 km · La Esperanza 32 km · San Andrés Xecul 35 km · Quetzaltenango 37 km · San Francisco El Alto 37 km

Guatemala travel facts

Travel advisory: Level 3; Reconsider Travel
Power plugs: Type A / B; 120 V · 60 Hz
Prices: ≈ 43% of US; price level, 2025
GDP per capita: $6,598; 2025
Happiness: 6.5 / 10; World Happiness, 2025
Safe drinking water: 49%; of population, 2024
Homicide rate: 23.4; per 100k, 2023
Road deaths: 22.9; per 100k/yr, 2019
Income group: Upper middle; World Bank
English: Moderate; EF EPI 510
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 Comitancillo (15.0894°, -91.7497°, elevation 2,271 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	20	13
2	20	13
3	20	13
4	20	13
5	20	13
6	20	13
7	20	13
8	20	13
9	20	13
10	20	13
11	20	13
12	20	13
13	20	13
14	20	13
15	20	13
16	20	13
17	20	13
18	20	13
19	20	13
20	20	13
21	20	13
22	20	13
23	20	13
24	20	13
25	20	13
26	20	13
27	20	13
28	20	13
29	20	13
30	20	13

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

	Rain chance (%)
1	98
2	98
3	98
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	99
22	99
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	99

	Dry (%)	Comfortable (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	26	74
7	26	74
8	26	74
9	26	74
10	25	75
11	25	75
12	24	76
13	24	76
14	23	77
15	23	77
16	22	78
17	22	78
18	21	79
19	21	79
20	20	80
21	19	81
22	19	81
23	18	82
24	18	82
25	18	82
26	17	83
27	17	83
28	18	82
29	18	82
30	19	81

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

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

	Rain chance (%)
1	98
2	98
3	98
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	99
22	99
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	99

	Dry (%)	Comfortable (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	26	74
7	26	74
8	26	74
9	26	74
10	25	75
11	25	75
12	24	76
13	24	76
14	23	77
15	23	77
16	22	78
17	22	78
18	21	79
19	21	79
20	20	80
21	19	81
22	19	81
23	18	82
24	18	82
25	18	82
26	17	83
27	17	83
28	18	82
29	18	82
30	19	81

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

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

	Rain chance (%)
1	98
2	98
3	98
4	99
5	99
6	99
7	99
8	99
9	99
10	99
11	99
12	99
13	99
14	99
15	99
16	99
17	99
18	99
19	99
20	99
21	99
22	99
23	100
24	100
25	100
26	100
27	100
28	100
29	100
30	99

	Dry (%)	Comfortable (%)
1	29	71
2	28	72
3	28	72
4	27	73
5	27	73
6	26	74
7	26	74
8	26	74
9	26	74
10	25	75
11	25	75
12	24	76
13	24	76
14	23	77
15	23	77
16	22	78
17	22	78
18	21	79
19	21	79
20	20	80
21	19	81
22	19	81
23	18	82
24	18	82
25	18	82
26	17	83
27	17	83
28	18	82
29	18	82
30	19	81