Tsurusaki weather in September

In September, Tsurusaki sees average daytime highs of 26°C and overnight lows near 23°C, with 193 mm of rain across 12.8 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 27°C in the first days to 24°C by the end. The sky is clear or mostly clear about 35% 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 Tsurusaki's 7th-clearest and 8th-windiest month. For the whole year in context, see Tsurusaki's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
23°
10th coldest
Rainfall
193 mm
12.8 wet days
Daylight
12 h 12 min
6:01 AM – 6:14 PM
Cloud cover
59%
7th clearest
Wind
13 km/h
8th windiest
Solar energy
4.34 kWh/m²
Travel score
6.3
out of 10

Tsurusaki is human settlement in Japan.

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

Temperature in September

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 27°C in the first days to 24°C by the end.

A typical September day in Tsurusaki reaches about 26°C in the afternoon and slips back to 23°C overnight — a 3°C spread between the day's warmth and the night's chill. On most days the high lands between 23°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12724
22724
32724
42724
52724
62724
72724
82724
92623
102623
112623
122623
132623
142623
152623
162623
172522
182522
192522
202522
212522
222522
232522
242421
252421
262421
272421
282421
292421
302421

How September really feels in Tsurusaki

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.

Tsurusaki 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 daysSnow daysDaylight (hours)Travel score
Jan10° / 637.50.5102.2
Feb10° / 748.30.510.82.3
Mar13° / 11911011.73.5
Apr17° / 12°13810.4012.85.2
May20° / 16°15311013.76.2
Jun23° / 20°29215.4014.25.6
Jul27° / 24°190140145.7
Aug28° / 25°14612.5013.25.6
Sep26° / 23°19312.8012.26.3
Oct21° / 18°1518.9011.26.9
Nov17° / 13°817.7010.35.7
Dec12° / 637.60.19.83.4

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 16% of September, with mostly cloudy or overcast conditions the remaining 49%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14852
24852
34951
44951
54951
64951
74951
84951
95050
105050
115149
125149
135050
145149
155149
165149
175149
185248
195248
205248
215347
225347
235347
245347
255347
265446
275446
285446
295446
305446

Chance of precipitation in September

Any precipitation

Tsurusaki gets around 193 mm of rain over 12.8 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 42% and peaks near 45% on the wettest days.

0%20%40%60%151015202530
Rain chance (%)
145
245
345
445
545
645
745
844
944
1044
1143
1243
1342
1442
1542
1641
1741
1841
1941
2041
2141
2240
2340
2440
2540
2640
2739
2839
2939
3039

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 37% of days. Sticky, muggy-or-worse air turns up on roughly 72% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1004215421
2004225519
3005235517
4005245516
5016255414
6017265412
7018275311
8019285210
9021028519
10121129508
11131230487
12141330466
13151430455
14161531425
15271731404
16281831384
17291931363
183102031343
193112231312
203122331292
213132431272
224142531251
234152630231
244162730221
255172829201
265182829181
276192929171
287202928160
297213027140
308223026130

Wind in September

Winds average 13 km/h in September.

Across September, daily wind ranges from about 12 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
112calm
212calm
312calm
412calm
512calm
612light breeze
712light breeze
812light breeze
912light breeze
1012light breeze
1112light breeze
1213light breeze
1313light breeze
1413light breeze
1513light breeze
1613light breeze
1713light 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 5:51 AM to 6:11 AM, and sunset from 6:35 PM to 5:54 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:516:35
212.75:526:33
312.75:536:32
412.65:536:31
512.65:546:29
612.65:556:28
712.55:556:26
812.55:566:25
912.45:576:24
1012.45:576:22
1112.45:586:21
1212.35:596:19
1312.35:596:18
1412.36:006:16
1512.26:016:15
1612.26:016:14
1712.26:026:12
1812.16:036:11
1912.16:046:09
2012.16:046:08
2112.06:056:06
2212.06:066:05
2312.06:066:04
2411.96:076:02
2511.96:086:01
2611.96:085:59
2711.86:095:58
2811.86:105:57
2911.76:115:55
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 4.34 kWh/m².

For context, solar energy here swings from a low near 2.37 kWh/m² to a high of 5.56 kWh/m² in May across the year — September's 4.34 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.7Bright
54.7Bright
64.7Bright
74.6Bright
84.6Bright
94.6Bright
104.5Bright
114.5Bright
124.5Bright
134.5Bright
144.4Bright
154.4Bright
164.4Bright
174.3Bright
184.3Bright
194.3Bright
204.3Bright
214.2Bright
224.2Bright
234.2Bright
244.2Bright
254.1Bright
264.1Bright
274.1Bright
284.0Bright
294.0Bright
304.0Bright
Planning a trip in September

Hazard calendar for Tsurusaki

In seasonPeak

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

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

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

Is September a good time to visit Tsurusaki?

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

6.3
Sightseeing
2nd-best month of the year
5.9
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Tsurusaki for sightseeing.

What to pack for Tsurusaki in September

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

In September, Tsurusaki sees daytime highs around 26°C and nights near 23°C. Worth packing: light clothes and rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Tsurusaki in September

The nearest coast averages about 25°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 22 km away) is warmest in August at about 26°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 5 to Nov 20 — about 5.6 months when the water holds above 20°C.

15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr16Cool
May18Cool
Jun21Refreshing
Jul24Warm
Aug26Warm
Sep25Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Tsurusaki 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 Tsurusaki peaks around June 20 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 3 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 11 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highModerateJun 20UV 10Dec 20UV 3
UV index (midday)Level
Jan3Moderate
Feb5Moderate
Mar6High
Apr8Very high
May8Very high
Jun10Extreme
Jul10Very high
Aug10Very high
Sep10Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Tsurusaki 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 Tsurusaki is worst in April — around 23 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodGoodApr 1523 µg/m³Oct 1611 µg/m³
PM2.5 (µg/m³)Level
Jan14Moderate
Feb17Moderate
Mar22Moderate
Apr23Moderate
May22Moderate
Jun19Moderate
Jul16Moderate
Aug16Moderate
Sep12Moderate
Oct11Good
Nov12Moderate
Dec12Good
Location & terrain

Where is Tsurusaki?

Tsurusaki sits at 33.2°N, 131.7°E, 5 m above sea level, in Japan. The nearest listed city is Ōita, 9.0 km away.

Topography around Tsurusaki

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

Within 3 km, the terrain around Tsurusaki has only modest variations in elevation — a maximum elevation change of 97 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 635 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,758 m.

The land around Tsurusaki is covered by artificial surfaces (61%) within 3 km, water (46%) and trees (35%) within 16 km, and water (50%) and trees (45%) within 80 km.

3 km
97 m
16 km
635 m
80 km
1,758 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Ōita 9.0 km · Usuki 17 km · Beppu 18 km · Hiji 20 km · Kitsuki 21 km · Tsukumiura 25 km · Yufu 30 km · Mie 33 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 Tsurusaki (33.2453°, 131.6917°, 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. 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).