Chulucanas weather in September

In September, Chulucanas sees average daytime highs of 28°C and overnight lows near 17°C, with 6 mm of rain across 1.6 wet days and about 12 hours of daylight. It is the 10th-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 28°C through the month. The sky is clear or mostly clear about 43% of the time in September, and the air most often feels humid.

Daylight stretches from about 11 h 54 min at the start of September to 12 hours by month's end. Set against the rest of the year, September is Chulucanas's 4th-clearest and 2nd-windiest month. For the whole year in context, see Chulucanas's year-round climate.

Daytime high
28°
10th warmest
Overnight low
17°
2nd coldest
Rainfall
6 mm
1.6 wet days
Daylight
12 hours
6:16 AM – 6:14 PM
Cloud cover
50%
4th clearest
Wind
7 km/h
2nd windiest
Solar energy
6.28 kWh/m²
Travel score
7.4
out of 10

Chulucanas is city in Morropón, Piura, Peru.

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 28°C through the month.

A typical September day in Chulucanas reaches about 28°C in the afternoon and slips back to 17°C overnight — a 11°C spread between the day's warmth and the night's chill. On most days the high lands between 26°C and 30°C. Set against its neighbours, September runs on par with August and on par with October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12817
22817
32817
42817
52817
62817
72817
82817
92817
102817
112817
122817
132817
142817
152817
162817
172817
182817
192817
202817
212817
222817
232817
242817
252817
262817
272817
282817
292817
302817

How September really feels in Chulucanas

Once humidity and wind are folded in, September averages 0 days that feel above 32°C and 0 that feel at or below 0°C — the comfort signal a plain temperature reading hides.

Days feeling ≥ 32°C
0
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

September sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Chulucanas weather by month

How September compares with the rest of the year at a glance. September is the 10th-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan32° / 21°10012.712.33.7
Feb31° / 22°20420.312.23.1
Mar31° / 22°31322.9123.0
Apr31° / 21°13415.211.93.8
May30° / 20°246.211.85.3
Jun29° / 18°51.611.76.9
Jul28° / 17°20.611.78.2
Aug27° / 17°20.611.88.3
Sep28° / 17°61.6127.4
Oct29° / 18°144.312.16.3
Nov29° / 18°255.912.25.7
Dec30° / 19°548.312.34.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 19% of September, with mostly cloudy or overcast conditions the remaining 38%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
17426
27327
37228
47129
56931
66931
76832
86733
96634
106535
116436
126436
136238
146238
156238
166040
176040
186040
195941
205842
215842
225842
235842
245743
255743
265644
275644
285644
295545
305545

Chance of precipitation in September

Any precipitation

Chulucanas gets around 6 mm of rain over 1.6 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 5% and peaks near 9% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%151015202530
Rain chance (%)
12
22
32
42
52
63
73
83
93
103
113
124
134
144
155
165
176
186
196
207
217
228
238
248
259
269
279
289
299
309

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 62% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202530
Comfortable (%)Humid (%)Muggy (%)
133643
233643
333643
433643
533643
633643
734633
834633
934633
1035623
1135623
1235623
1335623
1435623
1535623
1635623
1735623
1835623
1936613
2036604
2136604
2236604
2336604
2436604
2536604
2636613
2737603
2837603
2938593
3038593

Wind in September

Winds average 7 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 7 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 11 h 54 min 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 6 minutes over September. Sunrise moves from 6:23 AM to 6:09 AM, and sunset from 6:17 PM to 6:11 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:236:17
211.96:236:17
311.96:226:17
411.96:226:17
511.96:216:17
611.96:216:16
711.96:206:16
811.96:206:16
911.96:196:16
1011.96:196:16
1111.96:186:15
1212.06:186:15
1312.06:176:15
1412.06:176:15
1512.06:166:14
1612.06:166:14
1712.06:156:14
1812.06:156:14
1912.06:146:13
2012.06:146:13
2112.06:136:13
2212.06:136:13
2312.06:126:13
2412.06:126:12
2512.06:116:12
2612.06:116:12
2712.06:106:12
2812.06:106:12
2912.06:096:11
3012.06:096:11

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.28 kWh/m².

For context, solar energy here swings from a low near 4.82 kWh/m² to a high of 6.34 kWh/m² in October across the year — September's 6.28 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.2Intense
66.2Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.3Intense
216.3Intense
226.3Intense
236.3Intense
246.3Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
Planning a trip in September

Hazard calendar for Chulucanas

In seasonPeak

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

Chulucanas's monsoon runs February–March, when most of the year's rain falls.

Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Chulucanas?

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

7.4
Sightseeing
3rd-best month of the year
8.3
Beach & pool
4th-best month of the year

September is one of the better times to visit Chulucanas for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chulucanas in September

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

In September, Chulucanas sees daytime highs around 28°C and nights near 17°C. Pack light clothes and sun protection.

light clothessun protection

UV index in Chulucanas 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 Chulucanas peaks around February 17 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 23 at about 10 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeFeb 17UV 16Jun 23UV 10
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar16Extreme
Apr13Extreme
May13Extreme
Jun10Extreme
Jul11Extreme
Aug11Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec13Extreme

Air quality in Chulucanas 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 Chulucanas is worst in November — around 15 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (August, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateNov 1715 µg/m³Aug 167 µg/m³
PM2.5 (µg/m³)Level
Jan12Good
Feb12Good
Mar13Moderate
Apr13Moderate
May12Good
Jun10Good
Jul8Good
Aug7Good
Sep8Good
Oct11Good
Nov15Moderate
Dec12Good
Location & terrain

Where is Chulucanas?

Chulucanas sits at 5.1°S, 80.2°W, 92 m above sea level, in Peru. The nearest listed city is Tambo Grande, 27 km away.

Topography around Chulucanas

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

Within 3 km, the terrain around Chulucanas has only modest variations in elevation — a maximum elevation change of 84 m around an average of 92 m above sea level; within 16 km, very significant variations in elevation — a maximum elevation change of 1,263 m; within 80 km, extreme variations in elevation — a maximum elevation change of 3,894 m.

The land around Chulucanas is covered by grassland (33%) and trees (31%) within 3 km, shrubs (44%) and grassland (30%) within 16 km, and shrubs (32%) and grassland (26%) within 80 km.

3 km
84 m
16 km
1,263 m
80 km
3,894 m
treesshrubsgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Tambo Grande 27 km · Piura 56 km · San Martin 57 km · Querecotillo 61 km · Catacaos 61 km · Sullana 62 km · Marcavelica 65 km · La Unión 73 km

Peru travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type A / B / C
220 V · 60 Hz
Prices
≈ 51% of US
price level, 2025
GDP per capita
$9,684
2025
Happiness
6.0 / 10
World Happiness, 2025
Safe drinking water
49%
of population, 2024
Homicide rate
8.6
per 100k, 2021
Road deaths
13.6
per 100k/yr, 2019
Income group
Upper middle
World Bank
English
Moderate
EF EPI 519
Religion
Catholic 76%Evangelical Christian 16%no religion 5%other religions 3%

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 Chulucanas (-5.0925°, -80.1625°, elevation 92 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).