Yaren weather in September

In September, Yaren sees average daytime highs of 28°C and overnight lows near 26°C, with 119 mm of rain across 16.6 wet days and about 12 hours of daylight. It is the 6th-warmest and 11th-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 40% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 hours at the start of September to 12 hours by month's end. Set against the rest of the year, September is Yaren's 2nd-clearest and 8th-windiest month. For the whole year in context, see Yaren's year-round climate.

Daytime high
28°
6th warmest
Overnight low
26°
4th coldest
Rainfall
119 mm
16.6 wet days
Daylight
12 hours
6:47 AM – 6:47 PM
Cloud cover
54%
2nd clearest
Wind
15 km/h
8th windiest
Solar energy
6.34 kWh/m²
Travel score
5.2
out of 10

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 Yaren reaches about 28°C in the afternoon and slips back to 26°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 27°C and 29°C. Set against its neighbours, September runs on par with August and on par with October.

24°26°28°30°32°151015202530
Avg high (°C)Avg low (°C)
12826
22826
32826
42826
52826
62826
72826
82826
92826
102826
112826
122826
132826
142826
152827
162827
172827
182827
192827
202827
212827
222827
232827
242827
252827
262827
272827
282827
292827
302827

How September really feels in Yaren

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.

Yaren weather by month

How September compares with the rest of the year at a glance. September is the 6th-warmest and 11th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan28° / 27°19217.6124.7
Feb28° / 27°13515.2125.2
Mar28° / 27°20117.7125.2
Apr28° / 26°20219.7124.7
May28° / 27°13818.8124.8
Jun28° / 27°13717.6124.9
Jul28° / 26°14019.3125.0
Aug28° / 26°13717.8125.3
Sep28° / 26°11916.6125.2
Oct28° / 27°11714.8125.4
Nov28° / 27°13214.2125.3
Dec28° / 27°23218.2124.8

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 40% 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 42%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
16040
25941
35941
45842
55842
65644
75644
85644
95644
105644
115743
125743
135743
145842
155842
165842
175941
185941
196040
206040
216040
226040
236139
246040
256040
266040
275941
285941
295842
305842

Chance of precipitation in September

Any precipitation

Yaren gets around 119 mm of rain over 16.6 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 55% and peaks near 56% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
156
256
356
456
556
656
755
855
955
1055
1154
1254
1354
1454
1554
1654
1754
1854
1954
2055
2155
2255
2355
2456
2556
2656
2756
2856
2956
3055

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 70% of days. Sticky, muggy-or-worse air turns up on roughly 100% of them.

0%25%50%75%100%151015202530
Muggy (%)Oppressive (%)Miserable (%)
107624
207525
307525
407525
507426
607426
707327
807327
907228
1007129
1107129
1207129
1307030
1407030
1516930
1616930
1716930
1816930
1916831
2016831
2116831
2216831
2316831
2426731
2526731
2626830
2726830
2826830
2916930
3017029

Wind in September

Winds average 15 km/h in September.

Across September, daily wind ranges from about 15 km/h on the calmest days to 15 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
115light breeze
215light breeze
315light breeze
415light breeze
515light breeze
615light breeze
715light breeze
815light breeze
915light breeze
1015light breeze
1115light breeze
1215light breeze
1315light breeze
1415light breeze
1515light breeze
1615light breeze
1715light breeze
1815light breeze
1915light breeze
2015light breeze
2115light breeze
2215light breeze
2315light breeze
2415light breeze
2515light breeze
2615light breeze
2715light breeze
2815light breeze
2915light breeze
3015light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 hours 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 0 minutes over September. Sunrise moves from 6:52 AM to 6:41 AM, and sunset from 6:52 PM to 6:42 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.06:526:52
212.06:526:51
312.06:526:51
412.06:516:51
512.06:516:50
612.06:516:50
712.06:506:50
812.06:506:49
912.06:496:49
1012.06:496:49
1112.06:496:48
1212.06:486:48
1312.06:486:48
1412.06:476:47
1512.06:476:47
1612.06:476:47
1712.06:466:46
1812.06:466:46
1912.06:466:45
2012.06:456:45
2112.06:456:45
2212.06:446:44
2312.06:446:44
2412.06:446:44
2512.06:436:43
2612.06:436:43
2712.06:436:43
2812.06:426:42
2912.06:426:42
3012.06:416:42

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 6.34 kWh/m².

For context, solar energy here swings from a low near 5.53 kWh/m² to a high of 6.4 kWh/m² in October across the year — September's 6.34 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.3Intense
116.3Intense
126.3Intense
136.4Intense
146.4Intense
156.4Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.4Intense
276.4Intense
286.4Intense
296.4Intense
306.4Intense
Planning a trip in September

Is September a good time to visit Yaren?

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

5.2
Sightseeing
4th-best month of the year
5.9
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Yaren for sightseeing.

What to pack for Yaren in September

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

In September, Yaren sees daytime highs around 28°C and nights near 26°C. Pack light clothes, rain gear and sun protection. About 17 days see rain.

light clothesrain gearsun protection

Sea temperature near Yaren in September

The nearest coast averages about 29°C in September — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in June at about 29°C and coldest in February near 29°C.

The water stays above 20°C all year — warm enough for a swim any month.

28°30°JanFebMarAprMayJunJulAugSepOctNovDecwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan29Tropical
Feb29Tropical
Mar29Tropical
Apr29Tropical
May29Tropical
Jun29Tropical
Jul29Tropical
Aug29Tropical
Sep29Tropical
Oct29Tropical
Nov29Tropical
Dec29Tropical

UV index in Yaren 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 Yaren peaks around March 16 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 22 at about 12 (extreme).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeMar 16UV 16Jun 22UV 12
UV index (midday)Level
Jan15Extreme
Feb16Extreme
Mar17Extreme
Apr15Extreme
May14Extreme
Jun12Extreme
Jul12Extreme
Aug13Extreme
Sep13Extreme
Oct14Extreme
Nov13Extreme
Dec12Extreme
Location & terrain

Where is Yaren?

Yaren sits at 0.6°S, 166.9°E, 5 m above sea level, in Nauru. The nearest listed city is Tarawa, 705 km away.

Topography around Yaren

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

Within 3 km, the terrain around Yaren has only modest variations in elevation — a maximum elevation change of 61 m around an average of 10 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 61 m; within 80 km, only modest variations in elevation — a maximum elevation change of 57 m.

The land around Yaren is covered by water (62%) within 3 km, water (97%) within 16 km, and water (100%) within 80 km.

3 km
61 m
16 km
61 m
80 km
57 m
treesgrasslandartificial surfacesbare terrainwater
September weather nearby: Tarawa 705 km · Dalap-Uliga-Dorrit 982 km · Majuro 983 km · Malango 1,246 km · Panatina 1,250 km · Vura 1,252 km · Kola'a 1,253 km · Honiara 1,254 km

Nauru travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type I
240 V · 50 Hz
Prices
≈ 103% of US
price level, 2025
GDP per capita
$14,640
2025
Safe drinking water
19%
of population, 2024
Income group
High
World Bank
Religion
Protestant 60%Roman Catholic 34%other 4%none 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 Yaren (-0.5508°, 166.9252°, elevation 5 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. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).