Hualqui weather in September

In September, Hualqui sees average daytime highs of 15°C and overnight lows near 6°C, with 84 mm of rain across 7.7 wet days and about 11.7 hours of daylight. It is the 8th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 14°C in the first days to 16°C by the end. The sky is clear or mostly clear about 35% of the time in September, and the air most often feels dry.

Daylight stretches from about 11 h 12 min at the start of September to 12 h 18 min by month's end. Set against the rest of the year, September is Hualqui's 8th-clearest and 7th-windiest month. For the whole year in context, see Hualqui's year-round climate.

Daytime high
15°
8th warmest
Overnight low
3rd coldest
Rainfall
84 mm
7.7 wet days
Daylight
11 h 48 min
7:53 AM – 7:39 PM
Cloud cover
55%
8th clearest
Wind
10 km/h
7th windiest
Solar energy
4.6 kWh/m²
Travel score
4.8
out of 10
Air quality
Elevated
PM2.5 21.5 µg/m³ · 2019

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 14°C in the first days to 16°C by the end.

A typical September day in Hualqui reaches about 15°C in the afternoon and slips back to 6°C overnight — a 9°C spread between the day's warmth and the night's chill. On most days the high lands between 12°C and 19°C. Set against its neighbours, September runs about 2°C warmer than August and about 2°C cooler than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1145
2145
3145
4145
5145
6145
7145
8145
9155
10155
11155
12155
13155
14155
15155
16156
17156
18156
19156
20156
21166
22166
23166
24166
25166
26166
27166
28166
29166
30166

Hualqui weather by month

How September compares with the rest of the year at a glance. September is the 8th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan24° / 12°71.414.29.2
Feb24° / 12°141.913.49.1
Mar22° / 10°23312.38.3
Apr18° / 645.711.16.5
May15° / 16910.610.14.3
Jun12° / 23114.29.53.0
Jul12° / 17712.69.73.0
Aug13° / 15511.910.63.5
Sep15° / 847.711.74.8
Oct17° / 597.2136.1
Nov20° / 293.9147.5
Dec22° / 11°22314.58.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 15% of September, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24357
34555
44753
54852
64852
74852
84951
95050
105050
115149
125149
135050
145149
155149
165149
175149
185248
195248
205248
215149
225149
235149
245149
255248
265149
275149
285248
295248
305248

Chance of precipitation in September

Any precipitation

Hualqui gets around 84 mm of rain over 7.7 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 27% and peaks near 36% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
136
235
334
433
532
631
730
830
929
1029
1128
1228
1327
1426
1525
1625
1724
1823
1923
2023
2123
2223
2323
2423
2523
2623
2723
2823
2923
3023

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 100% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Dry (%)
1100
2100
3100
4100
5100
6100
7100
8100
9100
10100
11100
12100
13100
14100
15100
16100
17100
18100
19100
20100
21100
22100
23100
24100
25100
26100
27100
28100
29100
30100

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
289calm
299calm
3010calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 12 min at the start of September to 12 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 66 minutes over September. Sunrise moves from 8:16 AM to 7:31 AM, and sunset from 7:27 PM to 7:51 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:167:27
211.28:157:27
311.28:137:28
411.38:127:29
511.38:107:30
611.48:097:31
711.48:077:32
811.48:067:32
911.58:047:33
1011.58:037:34
1111.68:017:35
1211.67:597:36
1311.67:587:37
1411.77:567:37
1511.77:557:38
1611.87:537:39
1711.87:517:40
1811.87:507:41
1911.97:487:42
2011.97:477:42
2112.07:457:43
2212.07:447:44
2312.17:427:45
2412.17:407:46
2512.17:397:47
2612.27:377:48
2712.27:367:48
2812.37:347:49
2912.37:337:50
3012.37:317:51

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.6 kWh/m².

For context, solar energy here swings from a low near 1.83 kWh/m² to a high of 8.56 kWh/m² in December across the year — September's 4.6 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.7Moderate
23.8Moderate
33.8Moderate
43.9Moderate
54.0Moderate
64.0Bright
74.1Bright
84.2Bright
94.2Bright
104.3Bright
114.3Bright
124.4Bright
134.5Bright
144.5Bright
154.6Bright
164.6Bright
174.7Bright
184.8Bright
194.8Bright
204.8Bright
214.9Bright
225.0Bright
235.0Bright
245.1Bright
255.1Bright
265.2Bright
275.2Bright
285.3Bright
295.3Bright
305.4Bright
Planning a trip in September

Hazard calendar for Hualqui

In seasonPeak

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

Hualqui's rainy season runs May–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 Hualqui?

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

4.8
Sightseeing
8th-best month of the year
0.2
Beach & pool
8th-best month of the year

September is a reasonable time to visit Hualqui for sightseeing.

What to pack for Hualqui in September

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

In September, Hualqui sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer and sun protection. About 8 days see rain.

a warm layersun protection

Sea temperature near Hualqui in September

The nearest coast averages about 12°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 20 km away) is warmest in January at about 14°C and coldest in August near 12°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

10°12°14°16°JanFebMarAprMayJunJulAugSepOctNovDecbracingcool
Sea temperature (°C)Comfort
Jan14Bracing
Feb14Bracing
Mar14Bracing
Apr13Bracing
May13Bracing
Jun12Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct13Bracing
Nov13Bracing
Dec14Bracing

UV index in Hualqui in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 5 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hualqui peaks around January 14 at about 12 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 16 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highModerateVery highExtremeJan 14UV 12Jun 16UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr5Moderate
May3Moderate
Jun2Moderate
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Hualqui 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 Hualqui is worst in February — around 43 µg/m³ PM2.5 (poor), about 3.8× the cleanest month (December, 11 µg/m³).

Seasonal pattern from CAMS reanalysis, scaled to Hualqui's WHO annual average of 21.5 µg/m³.

0204060JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodFeb 1540 µg/m³Dec 1011 µg/m³
PM2.5 (µg/m³)Level
Jan20Moderate
Feb43Poor
Mar21Moderate
Apr24Moderate
May35Poor
Jun21Moderate
Jul19Moderate
Aug19Moderate
Sep18Moderate
Oct15Moderate
Nov12Good
Dec11Good
Location & terrain

Where is Hualqui?

Hualqui sits at 37.0°S, 72.9°W, 42 m above sea level, in Chile. The nearest listed city is Chiguayante, 10 km away.

Topography around Hualqui

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

Within 3 km, the terrain around Hualqui has significant variations in elevation — a maximum elevation change of 318 m around an average of 66 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 553 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,287 m.

The land around Hualqui is covered by trees (60%) within 3 km, trees (80%) within 16 km, and trees (49%) and water (29%) within 80 km.

3 km
318 m
16 km
553 m
80 km
1,287 m
treesshrubsgrasslandcroplandartificial surfaceswater
September weather nearby: Chiguayante 10 km · Concepción 19 km · Coronel 19 km · San Pedro de la Paz 21 km · Lota 24 km · Hualpén 25 km · Penco 26 km · Talcahuano 32 km

Chile travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / F / L
220 V · 50 Hz
Prices
≈ 48% of US
price level, 2025
GDP per capita
$17,995
2025
Happiness
6.3 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
6.3
per 100k, 2023
Road deaths
14.9
per 100k/yr, 2019
Income group
High
World Bank
English
Moderate
EF EPI 517
Religion
Catholic 57%none 26%Evangelical or Protestant 16%other Christians and traditions related to Christ 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 Hualqui (-36.9727°, -72.9356°, elevation 42 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. Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. 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).