Pomasqui weather in September

In September, Pomasqui sees average daytime highs of 20°C and overnight lows near 11°C, with 261 mm of rain across 29.4 wet days and about 12 hours of daylight. It is the 3rd-warmest and 9th-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 2% of the time in September, and the air most often feels dry.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Pomasqui's 4th-clearest and 5th-windiest month. For the whole year in context, see Pomasqui's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
11°
3rd coldest
Rainfall
261 mm
29.4 wet days
Daylight
12 hours
6:08 AM – 6:08 PM
Cloud cover
81%
4th clearest
Wind
4 km/h
5th windiest
Solar energy
4.78 kWh/m²
Travel score
3.3
out of 10

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 Pomasqui reaches about 20°C in the afternoon and slips back to 11°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 17°C and 22°C. Set against its neighbours, September runs on par with August and on par with October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
12011
22011
32011
42011
52011
62011
72011
82011
92011
102011
112011
122011
132011
142011
152011
161911
171911
181911
191911
201911
211911
221911
231911
241911
251911
261911
271911
281911
291911
301911

Pomasqui weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan18° / 12°34930.8123.1
Feb19° / 12°32927.8123.1
Mar19° / 12°39230.7123.0
Apr19° / 12°39829.9123.0
May19° / 12°33430.5123.1
Jun19° / 12°21028.7123.4
Jul20° / 11°15028.8123.6
Aug20° / 11°15228.9123.6
Sep20° / 11°26129.4123.3
Oct19° / 11°34430.4123.2
Nov18° / 11°37928.7123.1
Dec18° / 12°37330.4123.1

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 9% of September, with mostly cloudy or overcast conditions the remaining 89%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
11684
21684
31684
41684
51585
61585
71585
81684
91585
101585
111486
121387
131288
141288
151189
161189
171090
181090
191090
20892
21892
22892
23793
24793
25793
26694
27694
28694
29694
30694

Chance of precipitation in September

Any precipitation

Pomasqui gets around 261 mm of rain over 29.4 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 98% and peaks near 100% on the wettest days.

0%20%40%60%80%100%151015202530
Rain chance (%)
195
295
396
496
596
696
796
897
997
1097
1197
1298
1398
1498
1598
1698
1799
1899
1999
2099
2199
2299
2399
24100
25100
26100
27100
28100
29100
30100

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 93% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)
1982
2982
3982
4982
5982
6982
7982
8982
9973
10973
11973
12964
13964
14955
15955
16946
17937
18937
19928
20919
21919
229010
238911
248812
258812
268713
278614
288614
298515
308515

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 hours at the start of September to 12 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 0 minutes over September. Sunrise moves from 6:14 AM to 6:03 AM, and sunset from 6:13 PM to 6:03 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:146:13
212.06:136:13
312.06:136:13
412.06:136:12
512.06:126:12
612.06:126:12
712.06:116:11
812.06:116:11
912.06:116:11
1012.06:106:10
1112.06:106:10
1212.06:106:10
1312.06:096:09
1412.06:096:09
1512.06:096:09
1612.06:086:08
1712.06:086:08
1812.06:076:07
1912.06:076:07
2012.06:076:07
2112.06:066:06
2212.06:066:06
2312.06:066:06
2412.06:056:05
2512.06:056:05
2612.06:046:04
2712.06:046:04
2812.06:046:04
2912.06:036:03
3012.06:036:03

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.78 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.15 kWh/m² to a high of 4.78 kWh/m² in September across the year — September's 4.78 kWh/m² sits near the top of that range.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.8Bright
64.8Bright
74.8Bright
84.8Bright
94.8Bright
104.8Bright
114.8Bright
124.8Bright
134.8Bright
144.8Bright
154.8Bright
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 Pomasqui?

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

3.3
Sightseeing
4th-best month of the year
1.6
Beach & pool
3rd-best month of the year

September is a weaker month for outdoor sightseeing in Pomasqui.

What to pack for Pomasqui in September

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

In September, Pomasqui sees daytime highs around 20°C and nights near 11°C. Pack rain gear. Worth having: sun protection. About 29 days see rain.

rain gearsun protection

UV index in Pomasqui in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 15 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Pomasqui peaks around March 11 at about 18 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 15 at about 13 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 11UV 18Jul 15UV 13
UV index (midday)Level
Jan16Extreme
Feb18Extreme
Mar18Extreme
Apr15Extreme
May15Extreme
Jun13Extreme
Jul13Extreme
Aug13Extreme
Sep15Extreme
Oct15Extreme
Nov13Extreme
Dec14Extreme

Air quality in Pomasqui 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 Pomasqui is worst in September — around 29 µg/m³ PM2.5 (moderate), and holds fairly steady the rest of the year.

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateSep 1729 µg/m³Jul 1622 µg/m³
PM2.5 (µg/m³)Level
Jan24Moderate
Feb25Moderate
Mar26Moderate
Apr26Moderate
May25Moderate
Jun23Moderate
Jul22Moderate
Aug23Moderate
Sep29Moderate
Oct25Moderate
Nov25Moderate
Dec25Moderate
Location & terrain

Where is Pomasqui?

Pomasqui sits at 0.1°S, 78.5°W, 2,457 m above sea level, in Ecuador. The nearest listed city is Quito, 21 km away.

Topography around Pomasqui

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

Within 3 km, the terrain around Pomasqui has large variations in elevation — a maximum elevation change of 1,048 m around an average of 2,649 m above sea level; within 16 km, extreme variations in elevation — a maximum elevation change of 2,829 m; within 80 km, extreme variations in elevation — a maximum elevation change of 5,624 m.

The land around Pomasqui is covered by grassland (40%) and artificial surfaces (36%) within 3 km, grassland (40%) and trees (28%) within 16 km, and trees (62%) and grassland (28%) within 80 km.

3 km
1,048 m
16 km
2,829 m
80 km
5,624 m
treesshrubsgrasslandcroplandartificial surfacesbare terrain
September weather nearby: Quito 21 km · Cayambe 36 km · Mindo 36 km · Otavalo 39 km · Atuntaqui 50 km · Machachi 53 km · Ibarra 58 km · Santo Domingo de los Colorados 83 km

Ecuador travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 43% of US
price level, 2025
GDP per capita
$7,125
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
70%
of population, 2024
Homicide rate
45.7
per 100k, 2023
Road deaths
20.1
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Low
EF EPI 466
Religion
Roman Catholic 68%Protestant 19%none 8%other 2%

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 Pomasqui (-0.0542°, -78.4538°, elevation 2,457 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).