Yurimaguas weather in September

In September, Yurimaguas sees average daytime highs of 31°C and overnight lows near 23°C, with 167 mm of rain across 18.9 wet days and about 12 hours of daylight. It is the 1st-warmest and 9th-wettest month of the year here.

Day-to-day highs hold fairly steady near 31°C through the month. The sky is clear or mostly clear about 18% of the time in September, and the air most often feels oppressive.

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 Yurimaguas's 4th-clearest and 6th-windiest month. For the whole year in context, see Yurimaguas's year-round climate.

Daytime high
31°
1st warmest
Overnight low
23°
5th coldest
Rainfall
167 mm
18.9 wet days
Daylight
12 hours
6:00 AM – 5:58 PM
Cloud cover
65%
4th clearest
Wind
4 km/h
6th windiest
Solar energy
5.33 kWh/m²
Travel score
3.4
out of 10

Yurimaguas is capital city of Alto Amazonas, Loreto, 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 31°C through the month.

A typical September day in Yurimaguas reaches about 31°C in the afternoon and slips back to 23°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 28°C and 34°C. Set against its neighbours, September runs on par with August and on par with October.

20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13123
23123
33123
43123
53123
63123
73123
83123
93123
103123
113123
123123
133123
143123
153123
163123
173123
183123
193123
203123
213123
223123
233123
243123
253123
263123
273123
283123
293123
303123

How September really feels in Yurimaguas

Once humidity and wind are folded in, September averages 30 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
30
heat index over the day's high
Days feeling ≤ C
0
wind chill below the day's low

The story in September is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Yurimaguas weather by month

How September compares with the rest of the year at a glance. September is the 1st-warmest and 9th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan31° / 23°26824.612.32.9
Feb31° / 23°2812412.22.8
Mar30° / 23°36828.3122.7
Apr30° / 23°28724.511.93.0
May30° / 23°20022.811.73.4
Jun30° / 22°15419.911.73.8
Jul30° / 22°12417.411.74.2
Aug31° / 22°12016.311.84.0
Sep31° / 23°16718.9123.4
Oct31° / 23°23323.712.13.0
Nov31° / 23°26024.612.32.8
Dec31° / 23°27925.712.32.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 18% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 24% of September, with mostly cloudy or overcast conditions the remaining 58%. Skies tend to cloud over as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15149
25149
35050
45050
55050
64951
74951
84753
94753
104654
114555
124555
134357
144357
154258
164159
174159
184060
194060
203961
213961
223763
233763
243763
253763
263664
273664
283664
293565
303466

Chance of precipitation in September

Any precipitation

Yurimaguas gets around 167 mm of rain over 18.9 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 63% and peaks near 69% on the wettest days. The odds climb toward the end of the month.

0%20%40%60%80%151015202530
Rain chance (%)
159
259
360
460
560
660
760
861
961
1061
1162
1262
1362
1462
1563
1663
1763
1864
1964
2065
2165
2265
2366
2466
2566
2667
2767
2868
2968
3069

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the oppressive band about 55% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
125939
225939
325939
425840
525840
625840
725840
825741
925741
1025741
1125642
1225642
1325543
1425543
1525444
1625444
1725444
1825345
1925345
2025345
2125246
2225246
2325246
2425147
2515247
2615247
2715148
2815148
2915148
3015049

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 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 6:08 AM to 5:52 AM, and sunset from 6:01 PM to 5:55 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
111.96:086:01
211.96:076:01
311.96:076:00
411.96:066:00
511.96:066:00
611.96:056:00
711.96:056:00
811.96:045:59
911.96:045:59
1011.96:035:59
1111.96:025:59
1211.96:025:59
1312.06:015:58
1412.06:015:58
1512.06:005:58
1612.06:005:58
1712.05:595:58
1812.05:595:57
1912.05:585:57
2012.05:585:57
2112.05:575:57
2212.05:575:57
2312.05:565:56
2412.05:555:56
2512.05:555:56
2612.05:545:56
2712.05:545:56
2812.05:535:56
2912.05:535:55
3012.05:525:55

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 5.33 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 4.14 kWh/m² to a high of 5.33 kWh/m² in September across the year — September's 5.33 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
15.3Bright
25.3Bright
35.3Bright
45.3Bright
55.3Bright
65.3Bright
75.3Bright
85.3Bright
95.3Bright
105.3Bright
115.3Bright
125.3Bright
135.3Bright
145.3Bright
155.3Bright
165.3Bright
175.3Bright
185.3Bright
195.3Bright
205.3Bright
215.3Bright
225.3Bright
235.4Bright
245.4Bright
255.4Bright
265.4Bright
275.4Bright
285.4Bright
295.4Bright
305.4Bright
Planning a trip in September

Is September a good time to visit Yurimaguas?

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

3.4
Sightseeing
4th-best month of the year
5.1
Beach & pool
4th-best month of the year

September is a weaker month for outdoor sightseeing in Yurimaguas.

What to pack for Yurimaguas in September

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

In September, Yurimaguas sees daytime highs around 31°C and nights near 23°C. Pack light clothes and rain gear. Worth having: sun protection. About 19 days see rain.

light clothesrain gearsun protection

UV index in Yurimaguas in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 12 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Yurimaguas peaks around February 15 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near August 11 at about 10 (very high).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 15UV 16Aug 11UV 10
UV index (midday)Level
Jan15Extreme
Feb17Extreme
Mar14Extreme
Apr11Extreme
May12Extreme
Jun10Extreme
Jul10Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov12Extreme
Dec12Extreme

Air quality in Yurimaguas 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 Yurimaguas is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.8× the cleanest month (June, 10 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateSep 1126 µg/m³Jun 1110 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar17Moderate
Apr13Moderate
May10Good
Jun10Good
Jul12Good
Aug25Moderate
Sep26Moderate
Oct20Moderate
Nov13Moderate
Dec13Moderate
Location & terrain

Where is Yurimaguas?

Yurimaguas sits at 5.9°S, 76.1°W, 143 m above sea level, in Peru. The nearest listed city is La Banda, 70 km away.

RiojaBellavistaJuanjuíChachapoyasContamanaBagua Grande

Topography around Yurimaguas

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

Within 3 km, the terrain around Yurimaguas has only modest variations in elevation — a maximum elevation change of 46 m around an average of 144 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 149 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,177 m.

The land around Yurimaguas is covered by trees (53%) and artificial surfaces (20%) within 3 km, trees (82%) within 16 km, and trees (97%) within 80 km.

3 km
46 m
16 km
149 m
80 km
2,177 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: La Banda 70 km · Moyobamba 95 km · Rioja 117 km · Bellavista 138 km · Juanjuí 157 km · Chachapoyas 197 km · Contamana 201 km · Bagua Grande 257 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 Yurimaguas (-5.9018°, -76.1223°, elevation 143 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).