Hyūga weather in September

In September, Hyūga sees average daytime highs of 27°C and overnight lows near 23°C, with 280 mm of rain across 15.2 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 25°C by the end. The sky is clear or mostly clear about 32% of the time in September, and the air most often feels oppressive.

Daylight stretches from about 12 h 42 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Hyūga's 9th-clearest and 8th-windiest month. For the whole year in context, see Hyūga's year-round climate.

Daytime high
27°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
280 mm
15.2 wet days
Daylight
12 h 12 min
6:02 AM – 6:14 PM
Cloud cover
61%
9th clearest
Wind
12 km/h
8th windiest
Solar energy
4.22 kWh/m²
Travel score
5.7
out of 10

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 28°C in the first days to 25°C by the end.

A typical September day in Hyūga reaches about 27°C in the afternoon and slips back to 23°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 29°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12824
22824
32824
42824
52824
62824
72824
82824
92824
102823
112723
122723
132723
142723
152723
162723
172722
182722
192722
202622
212622
222622
232622
242621
252621
262621
272621
282521
292521
302521

How September really feels in Hyūga

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.

Hyūga weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan12° / 696.410.13.4
Feb13° / 867.510.83.7
Mar15° / 13811.411.84.7
Apr19° / 13°16511.312.85.9
May22° / 17°20612.113.66.3
Jun25° / 21°38217.714.15.3
Jul28° / 24°26416.413.94.9
Aug29° / 25°2421813.24.5
Sep27° / 23°28015.212.25.7
Oct23° / 18°18610.811.26.8
Nov18° / 13°1027.910.36.3
Dec14° / 7169.94.5

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 (%)
14654
24753
34753
44753
54753
64654
74654
84654
94654
104654
114555
124555
134654
144654
154654
164753
174654
184654
194753
204753
214852
224852
234951
244951
254951
265050
274951
284951
295050
305050

Chance of precipitation in September

Any precipitation

Hyūga gets around 280 mm of rain over 15.2 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 50% and peaks near 58% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
158
257
357
457
556
656
755
855
954
1054
1153
1252
1351
1450
1550
1649
1748
1848
1947
2047
2147
2246
2346
2446
2545
2645
2745
2845
2944
3044

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 36% of days. Sticky, muggy-or-worse air turns up on roughly 74% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1004175029
2004185127
3004195225
4015205123
5015215221
6016225219
7017235118
8027245017
9128254915
10129264814
111310274613
121312274412
131413284312
142414284111
152516283910
16261728379
17271929358
18382029337
19382229327
20392329306
214102429285
224112529265
234122629245
244132729234
255142828214
265152828203
275172928193
286182927173
296192927162
307202927152

Wind in September

Winds average 12 km/h in September.

Across September, daily wind ranges from about 11 km/h on the calmest days to 13 km/h at its breeziest. It stays fairly steady from day to day.

05101520151015202530
Wind speed (km/h)Feels
111calm
211calm
311calm
411calm
511calm
611calm
711calm
812calm
912calm
1012calm
1112calm
1212calm
1312light breeze
1412light breeze
1512light breeze
1612light breeze
1712light breeze
1813light breeze
1913light breeze
2013light breeze
2113light breeze
2213light breeze
2313light breeze
2413light breeze
2513light breeze
2613light breeze
2713light breeze
2813light breeze
2913light breeze
3013light breeze

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 42 min at the start of September to 11 h 42 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 60 minutes over September. Sunrise moves from 5:52 AM to 6:11 AM, and sunset from 6:34 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:526:34
212.75:536:33
312.65:536:31
412.65:546:30
512.65:556:29
612.55:556:27
712.55:566:26
812.55:576:25
912.45:576:23
1012.45:586:22
1112.45:596:21
1212.35:596:19
1312.36:006:18
1412.36:016:16
1512.26:016:15
1612.26:026:14
1712.26:036:12
1812.16:036:11
1912.16:046:09
2012.16:046:08
2112.06:056:07
2212.06:066:05
2312.06:066:04
2411.96:076:03
2511.96:086:01
2611.96:086:00
2711.86:095:58
2811.86:105:57
2911.86:115:56
3011.76:115:54

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.22 kWh/m².

For context, solar energy here swings from a low near 2.67 kWh/m² to a high of 5.3 kWh/m² in May across the year — September's 4.22 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.7Bright
24.7Bright
34.6Bright
44.6Bright
54.5Bright
64.5Bright
74.5Bright
84.5Bright
94.4Bright
104.4Bright
114.4Bright
124.3Bright
134.3Bright
144.3Bright
154.3Bright
164.2Bright
174.2Bright
184.2Bright
194.2Bright
204.1Bright
214.1Bright
224.1Bright
234.1Bright
244.0Bright
254.0Bright
264.0Moderate
274.0Moderate
284.0Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Hyūga

In seasonPeak

In September, Hyūga sits inside its pacific typhoon and rainy season season. The full year is below, with each hazard's peak months called out.

Hyūga sits in the Pacific typhoon belt; the season peaks July–October.

Hyūga's rainy season runs May–October, when most of the year's rain falls.

Pacific typhoon
Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Hyūga?

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

5.7
Sightseeing
5th-best month of the year
5.8
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Hyūga for sightseeing.

What to pack for Hyūga in September

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

In September, Hyūga sees daytime highs around 27°C and nights near 23°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Hyūga in September

The nearest coast averages about 27°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 August at about 28°C and coldest in February near 18°C.

It's comfortable for a long swim from Apr 26 to Dec 27 — about 8.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDeccoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan19Cool
Feb18Cool
Mar18Cool
Apr19Cool
May21Refreshing
Jun24Refreshing
Jul26Warm
Aug28Warm
Sep27Warm
Oct25Warm
Nov23Refreshing
Dec21Refreshing

UV index in Hyūga in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Hyūga peaks around June 22 at about 11 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 3 (moderate).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJun 22UV 11Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May9Very high
Jun11Extreme
Jul10Extreme
Aug10Very high
Sep10Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Hyūga 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 Hyūga is worst in April — around 21 µg/m³ PM2.5 (moderate), about 2.0× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodApr 1421 µg/m³Oct 1411 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar20Moderate
Apr21Moderate
May20Moderate
Jun16Moderate
Jul13Moderate
Aug13Moderate
Sep11Good
Oct11Good
Nov12Good
Dec11Good
Location & terrain

Where is Hyūga?

Hyūga sits at 32.4°N, 131.6°E, 4 m above sea level, in Japan. The nearest listed city is Kadogawa, 6.0 km away.

Topography around Hyūga

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

Within 3 km, the terrain around Hyūga has only modest variations in elevation — a maximum elevation change of 183 m around an average of 19 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 714 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,715 m.

The land around Hyūga is covered by artificial surfaces (41%), trees (28%) and water (21%) within 3 km, trees (46%) and water (46%) within 16 km, and trees (59%) and water (34%) within 80 km.

3 km
183 m
16 km
714 m
80 km
1,715 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Kadogawa 6.0 km · Nobeoka 18 km · Kawaminami 29 km · Takanabe 35 km · Tsuma 42 km · Shintomi 43 km · Saito 44 km · Honjō 57 km

Japan travel facts

Travel advisory
Level 1
Exercise Normal Precautions
Power plugs
Type A / B
100 V · 50 / 60 Hz
Prices
≈ 65% of US
price level, 2025
GDP per capita
$35,951
2025
Happiness
6.1 / 10
World Happiness, 2025
Safe drinking water
99%
of population, 2024
Homicide rate
0.2
per 100k, 2023
Road deaths
3.6
per 100k/yr, 2019
Income group
High
World Bank
English
Very low
EF EPI 446
Religion
Shintoism 49%Buddhism 46%other 4%Christianity 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 Hyūga (32.4227°, 131.6409°, elevation 4 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. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). 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).