Nacimiento weather in September

In September, Nacimiento sees average daytime highs of 15°C and overnight lows near 6°C, with 89 mm of rain across 8.8 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 32% 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 Nacimiento's 8th-clearest and 5th-windiest month. For the whole year in context, see Nacimiento's year-round climate.

Daytime high
15°
8th warmest
Overnight low
4th coldest
Rainfall
89 mm
8.8 wet days
Daylight
11 h 48 min
7:52 AM – 7:38 PM
Cloud cover
56%
8th clearest
Wind
11 km/h
5th windiest
Solar energy
4.34 kWh/m²
Travel score
4.6
out of 10

Nacimiento is settlement in Chile.

Air quality
Good
PM10 21.7 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 Nacimiento 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 11°C and 19°C. Set against its neighbours, September runs about 2°C warmer than August and about 3°C cooler than October.

10°15°20°25°151015202530
Avg high (°C)Avg low (°C)
1145
2145
3145
4145
5145
6145
7145
8145
9145
10145
11145
12155
13155
14156
15156
16156
17156
18156
19156
20156
21156
22166
23166
24166
25166
26166
27166
28166
29166
30166

Nacimiento 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
Jan26° / 12°111.814.38.8
Feb25° / 12°172.313.48.8
Mar23° / 11°283.712.38.3
Apr18° / 716.411.16.4
May14° / 18511.1104.1
Jun12° / 26015.29.52.6
Jul11° / 19913.69.72.6
Aug13° / 17412.910.63.2
Sep15° / 898.811.74.6
Oct17° / 648136.0
Nov21° / 324.2147.5
Dec23° / 11°253.514.58.5

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 32% 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 53%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13961
24060
34258
44357
54357
64555
74654
84654
94753
104753
114753
124753
134852
144852
154951
164951
175050
185050
195149
205149
215050
225050
234951
244951
255050
264951
274951
284951
294951
304951

Chance of precipitation in September

Any precipitation

Nacimiento gets around 89 mm of rain over 8.8 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 30% and peaks near 38% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
138
238
337
436
535
634
734
833
932
1032
1132
1231
1331
1430
1529
1628
1728
1827
1927
2027
2126
2226
2326
2426
2526
2626
2726
2826
2926
3027

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 11 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
811calm
911calm
1011calm
1111calm
1211calm
1311calm
1411calm
1511calm
1611calm
1711calm
1811calm
1911calm
2011calm
2111calm
2211calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
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 7:30 AM, and sunset from 7:25 PM to 7:50 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:167:25
211.28:147:26
311.28:137:27
411.38:117:28
511.38:107:28
611.48:087:29
711.48:067:30
811.48:057:31
911.58:037:32
1011.58:027:33
1111.68:007:34
1211.67:597:34
1311.67:577:35
1411.77:557:36
1511.77:547:37
1611.87:527:38
1711.87:517:39
1811.87:497:40
1911.97:477:40
2011.97:467:41
2112.07:447:42
2212.07:427:43
2312.17:417:44
2412.17:397:45
2512.17:387:46
2612.27:367:47
2712.27:357:48
2812.37:337:48
2912.37:317:49
3012.37:307:50

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.34 kWh/m².

For context, solar energy here swings from a low near 1.68 kWh/m² to a high of 8.39 kWh/m² in January across the year — September's 4.34 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.5Moderate
23.5Moderate
33.6Moderate
43.6Moderate
53.7Moderate
63.8Moderate
73.8Moderate
83.9Moderate
94.0Moderate
104.0Bright
114.1Bright
124.1Bright
134.2Bright
144.3Bright
154.3Bright
164.4Bright
174.4Bright
184.5Bright
194.5Bright
204.6Bright
214.6Bright
224.7Bright
234.7Bright
244.8Bright
254.8Bright
264.9Bright
274.9Bright
285.0Bright
295.0Bright
305.1Bright
Planning a trip in September

Hazard calendar for Nacimiento

In seasonPeak

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

Nacimiento'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 Nacimiento?

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

4.6
Sightseeing
8th-best month of the year
0.2
Beach & pool
8th-best month of the year

September is a reasonable time to visit Nacimiento for sightseeing.

What to pack for Nacimiento in September

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

In September, Nacimiento sees daytime highs around 15°C and nights near 6°C. Worth packing: a warm layer and rain gear. About 9 days see rain.

a warm layerrain gear

UV index in Nacimiento 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 Nacimiento peaks around January 1 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 1UV 12Jun 16UV 2
UV index (midday)Level
Jan12Extreme
Feb11Extreme
Mar9Very high
Apr5Moderate
May3Moderate
Jun2Low
Jul3Moderate
Aug3Moderate
Sep5Moderate
Oct8Very high
Nov10Very high
Dec12Extreme

Air quality in Nacimiento 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 Nacimiento is worst in February — around 35 µg/m³ PM2.5 (moderate), about 4.1× the cleanest month (December, 9 µg/m³).

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

010203040JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 1732 µg/m³Dec 179 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb35Moderate
Mar19Moderate
Apr24Moderate
May24Moderate
Jun13Moderate
Jul12Good
Aug13Moderate
Sep12Moderate
Oct11Good
Nov9Good
Dec9Good
Location & terrain

Where is Nacimiento?

Nacimiento sits at 37.5°S, 72.7°W, 95 m above sea level, in Chile. The nearest listed city is Los Ángeles, 28 km away.

Topography around Nacimiento

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

Within 3 km, the terrain around Nacimiento has only modest variations in elevation — a maximum elevation change of 136 m around an average of 72 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 677 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,500 m.

The land around Nacimiento is covered by trees (42%) within 3 km, trees (64%) within 16 km, and trees (66%) within 80 km.

3 km
136 m
16 km
677 m
80 km
1,500 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Los Ángeles 28 km · Angol 33 km · Mulchén 45 km · Collipulli 54 km · Cabrero 57 km · Curanilahue 59 km · Villa Mercedes 62 km · Lota 63 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 Nacimiento (-37.5025°, -72.6731°, elevation 95 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).