Lota weather in September

In September, Lota sees average daytime highs of 13°C and overnight lows near 9°C, with 84 mm of rain across 8 wet days and about 11.7 hours of daylight. It is the 9th-warmest and 5th-wettest month of the year here.

Day-to-day highs hold fairly steady near 13°C through the month. The sky is clear or mostly clear about 42% 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 Lota's 8th-clearest and 7th-windiest month. For the whole year in context, see Lota's year-round climate.

Daytime high
13°
9th warmest
Overnight low
3rd coldest
Rainfall
84 mm
8 wet days
Daylight
11 h 48 min
7:54 AM – 7:40 PM
Cloud cover
50%
8th clearest
Wind
16 km/h
7th windiest
Solar energy
4.67 kWh/m²
Travel score
4.0
out of 10

Lota is city in Chile.

Density
298/km²
people per km²
Founded
1662

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 13°C through the month.

A typical September day in Lota reaches about 13°C in the afternoon and slips back to 9°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 11°C and 15°C. Set against its neighbours, September runs about 1°C warmer than August and about 1°C cooler than October.

10°15°20°151015202530
Avg high (°C)Avg low (°C)
1138
2138
3138
4138
5138
6138
7138
8138
9138
10139
11139
12139
13139
14139
15139
16139
17139
18139
19139
20139
21139
22139
23139
24149
25149
26149
27149
28149
29149
30149

Lota weather by month

How September compares with the rest of the year at a glance. September is the 9th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan19° / 14°81.514.38.0
Feb19° / 14°141.913.47.9
Mar18° / 13°243.312.37.2
Apr16° / 11°68611.15.4
May14° / 10°17511103.9
Jun12° / 24614.89.53.0
Jul12° / 19613.59.72.9
Aug12° / 16312.410.63.2
Sep13° / 84811.74.0
Oct14° / 10°566.6134.8
Nov16° / 11°283.4146.1
Dec18° / 13°213.114.57.2

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 42% 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 44%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24951
35050
45248
55347
65446
75545
85644
95743
105644
115743
125743
135743
145842
155743
165743
175842
185842
195842
205743
215743
225743
235842
245842
255842
265743
275941
285941
296040
306040

Chance of precipitation in September

Any precipitation

Lota gets around 84 mm of rain over 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 27% and peaks near 35% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
135
234
334
433
532
631
730
830
929
1029
1129
1228
1328
1427
1527
1626
1725
1825
1925
2024
2124
2224
2324
2424
2524
2624
2724
2824
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 16 km/h in September.

Across September, daily wind ranges from about 16 km/h on the calmest days to 16 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
116light breeze
216light breeze
316light breeze
416light breeze
516light breeze
616light breeze
716light breeze
816light breeze
916light breeze
1016light breeze
1116light breeze
1216light breeze
1316light breeze
1416light breeze
1516light breeze
1616light breeze
1716light breeze
1816light breeze
1916light breeze
2016light breeze
2116light breeze
2216light breeze
2316light breeze
2416light breeze
2516light breeze
2616light breeze
2716light breeze
2816light breeze
2916light breeze
3016light breeze

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 8:17 AM to 7:32 AM, and sunset from 7:27 PM to 7:52 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.28:177:27
211.28:167:28
311.28:147:29
411.38:137:30
511.38:117:31
611.48:107:32
711.48:087:32
811.48:077:33
911.58:057:34
1011.58:037:35
1111.68:027:36
1211.68:007:37
1311.67:597:37
1411.77:577:38
1511.77:567:39
1611.87:547:40
1711.87:527:41
1811.87:517:42
1911.97:497:42
2011.97:487:43
2112.07:467:44
2212.07:447:45
2312.17:437:46
2412.17:417:47
2512.17:407:48
2612.27:387:48
2712.27:377:49
2812.37:357:50
2912.37:337:51
3012.37:327:52

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.67 kWh/m².

For context, solar energy here swings from a low near 1.88 kWh/m² to a high of 8.59 kWh/m² in December across the year — September's 4.67 kWh/m² falls in the middle.

0246151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.9Moderate
44.0Moderate
54.0Bright
64.1Bright
74.2Bright
84.2Bright
94.3Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.6Bright
154.7Bright
164.7Bright
174.8Bright
184.8Bright
194.9Bright
204.9Bright
215.0Bright
225.0Bright
235.1Bright
245.1Bright
255.2Bright
265.2Bright
275.3Bright
285.3Bright
295.4Bright
305.4Bright
Planning a trip in September

Hazard calendar for Lota

In seasonPeak

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

Lota'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 Lota?

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

4.0
Sightseeing
8th-best month of the year
0.0
Beach & pool
9th-best month of the year

September is a reasonable time to visit Lota for sightseeing.

What to pack for Lota in September

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

In September, Lota sees daytime highs around 13°C and nights near 9°C. Worth packing: a warm layer, rain gear and sun protection. About 8 days see rain.

a warm layerrain gearsun protection

Sea temperature near Lota 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 15°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
Jan15Bracing
Feb15Bracing
Mar14Bracing
Apr14Bracing
May13Bracing
Jun12Bracing
Jul12Bracing
Aug12Bracing
Sep12Bracing
Oct12Bracing
Nov13Bracing
Dec14Bracing

UV index in Lota 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 Lota peaks around January 12 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 12UV 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 Lota 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 Lota is worst in February — around 25 µg/m³ PM2.5 (moderate), about 4.2× the cleanest month (March, 6 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodFeb 1423 µg/m³Mar 236 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb25Moderate
Mar6Good
Apr7Good
May9Good
Jun8Good
Jul7Good
Aug8Good
Sep8Good
Oct7Good
Nov7Good
Dec7Good
Location & terrain

Where is Lota?

Lota sits at 37.1°S, 73.2°W, 14 m above sea level, in Chile. The nearest listed city is Coronel, 6.0 km away.

Topography around Lota

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

Within 3 km, the terrain around Lota has significant variations in elevation — a maximum elevation change of 292 m around an average of 39 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 685 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,511 m.

The land around Lota is covered by water (47%) and trees (29%) within 3 km, trees (44%) and water (43%) within 16 km, and trees (50%) and water (35%) within 80 km.

3 km
292 m
16 km
685 m
80 km
1,511 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Coronel 6.0 km · Chiguayante 22 km · Arauco 22 km · Hualqui 24 km · San Pedro de la Paz 28 km · Concepción 31 km · Hualpén 34 km · Talcahuano 41 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 Lota (-37.0899°, -73.1577°, elevation 14 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).