Togitsu weather in September

In September, Togitsu sees average daytime highs of 26°C and overnight lows near 24°C, with 198 mm of rain across 11.5 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 3rd-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 43% 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 Togitsu's 2nd-clearest and 8th-windiest month. For the whole year in context, see Togitsu's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
24°
10th coldest
Rainfall
198 mm
11.5 wet days
Daylight
12 h 12 min
6:09 AM – 6:21 PM
Cloud cover
53%
2nd clearest
Wind
18 km/h
8th windiest
Solar energy
4.46 kWh/m²
Travel score
6.6
out of 10

Togitsu is town in Nishisonogi district, Nagasaki prefecture, Japan.

Density
1,437/km²
people per km²
Founded
1951

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 Togitsu reaches about 26°C in the afternoon and slips back to 24°C overnight — a 2°C spread between the day's warmth and the night's chill. On most days the high lands between 24°C and 27°C. Set against its neighbours, September runs about 2°C cooler than August and about 4°C warmer than October.

15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12725
22725
32725
42725
52725
62725
72725
82725
92724
102724
112624
122624
132624
142624
152624
162624
172623
182623
192623
202523
212523
222523
232523
242523
252522
262522
272522
282422
292422
302422

How September really feels in Togitsu

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.

Togitsu weather by month

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

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan11° / 8612.510.12.3
Feb11° / 9710.810.82.6
Mar13° / 10°14512.211.83.6
Apr16° / 14°1641112.85.1
May20° / 18°18710.613.76.1
Jun23° / 21°41015.914.15.6
Jul26° / 25°3131513.95.8
Aug28° / 26°17912.913.26.0
Sep26° / 24°19811.512.26.6
Oct22° / 19°1127.111.27.3
Nov18° / 15°1079.110.35.8
Dec13° / 10°9711.19.93.5

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 12% of September, with mostly cloudy or overcast conditions the remaining 45%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
15248
25347
35347
45347
55347
65347
75347
85446
95446
105446
115446
125545
135644
145644
155644
165545
175545
185545
195545
205644
215644
225644
235644
245644
255644
265644
275743
285743
295644
305743

Chance of precipitation in September

Any precipitation

Togitsu gets around 198 mm of rain over 11.5 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 38% and peaks near 44% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
144
244
343
442
542
641
741
841
940
1040
1139
1239
1338
1438
1537
1637
1737
1836
1936
2036
2135
2235
2335
2434
2534
2633
2733
2832
2932
3031

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 34% of days. Sticky, muggy-or-worse air turns up on roughly 75% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1003184534
2003204631
3004214629
4005224627
5005234724
6016244722
7017254721
8018264619
9019274617
100210284516
110211284415
120312294313
130413294112
141514303911
151616303810
16171730369
17181830349
18191931328
192102131307
202112231296
212122331276
222132431255
233142431235
243152531224
254162631204
264172630193
275182730183
285192729172
296212729162
307222728152

Wind in September

Winds average 18 km/h in September.

Across September, daily wind ranges from about 17 km/h on the calmest days to 20 km/h at its breeziest. It stays fairly steady from day to day.

0510152025151015202530
Wind speed (km/h)Feels
117light breeze
217light breeze
317light breeze
417light breeze
518light breeze
618light breeze
718light breeze
818light breeze
918light breeze
1018light breeze
1118light breeze
1218light breeze
1318light breeze
1418light breeze
1518light breeze
1619light breeze
1719light breeze
1819light breeze
1919light breeze
2019light breeze
2119light breeze
2219light breeze
2319light breeze
2419light breeze
2519light breeze
2619light breeze
2719light breeze
2820light breeze
2920light breeze
3020light 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 5:59 AM to 6:18 AM, and sunset from 6:42 PM to 6:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:596:42
212.76:006:40
312.66:006:39
412.66:016:38
512.66:026:36
612.56:026:35
712.56:036:33
812.56:046:32
912.46:046:31
1012.46:056:29
1112.46:066:28
1212.36:066:27
1312.36:076:25
1412.36:086:24
1512.26:086:22
1612.26:096:21
1712.26:106:19
1812.16:106:18
1912.16:116:17
2012.16:126:15
2112.06:126:14
2212.06:136:12
2312.06:146:11
2411.96:146:10
2511.96:156:08
2611.96:166:07
2711.86:166:05
2811.86:176:04
2911.76:186:03
3011.76:186:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.46 kWh/m².

For context, solar energy here swings from a low near 2.16 kWh/m² to a high of 5.47 kWh/m² in May across the year — September's 4.46 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.8Bright
24.8Bright
34.8Bright
44.8Bright
54.7Bright
64.7Bright
74.7Bright
84.7Bright
94.7Bright
104.6Bright
114.6Bright
124.6Bright
134.6Bright
144.5Bright
154.5Bright
164.5Bright
174.5Bright
184.4Bright
194.4Bright
204.4Bright
214.4Bright
224.3Bright
234.3Bright
244.3Bright
254.3Bright
264.2Bright
274.2Bright
284.2Bright
294.2Bright
304.2Bright
Planning a trip in September

Hazard calendar for Togitsu

In seasonPeak

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

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

Togitsu's rainy season runs May–July, 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 Togitsu?

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

6.6
Sightseeing
2nd-best month of the year
6.2
Beach & pool
2nd-best month of the year

September is a reasonable time to visit Togitsu for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Togitsu in September

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

In September, Togitsu sees daytime highs around 26°C and nights near 24°C. Worth packing: light clothes and rain gear. About 12 days see rain.

light clothesrain gear

Sea temperature near Togitsu in September

The nearest coast averages about 26°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 27°C and coldest in February near 15°C.

It's comfortable for a long swim from May 27 to Nov 29 — about 6.1 months when the water holds above 20°C.

15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb15Cool
Mar16Cool
Apr17Cool
May19Cool
Jun22Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct24Refreshing
Nov21Refreshing
Dec19Cool

UV index in Togitsu in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Togitsu peaks around July 16 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 21 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 highVery highModerateJul 16UV 10Dec 21UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar6High
Apr8Very high
May8Very high
Jun9Very high
Jul10Extreme
Aug9Very high
Sep9Very high
Oct7High
Nov4Moderate
Dec3Moderate

Air quality in Togitsu 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 Togitsu is worst in April — around 24 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 11 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateModerateGoodModerateApr 1324 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan16Moderate
Feb19Moderate
Mar23Moderate
Apr24Moderate
May21Moderate
Jun17Moderate
Jul12Good
Aug12Moderate
Sep12Good
Oct11Good
Nov14Moderate
Dec13Moderate
Location & terrain

Where is Togitsu?

Togitsu sits at 32.8°N, 129.8°E, 1 m above sea level, in Japan. The nearest listed city is Obita, 4.0 km away.

Topography around Togitsu

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

Within 3 km, the terrain around Togitsu has significant variations in elevation — a maximum elevation change of 395 m around an average of 55 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 569 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,406 m.

The land around Togitsu is covered by trees (47%), artificial surfaces (30%) and water (20%) within 3 km, trees (46%) and water (40%) within 16 km, and water (60%) and trees (29%) within 80 km.

3 km
395 m
16 km
569 m
80 km
1,406 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Obita 4.0 km · Nagasaki 10 km · Ōmura 14 km · Isahaya 18 km · Saikai 23 km · Ureshinomachi-shimojuku 34 km · Kashima 38 km · Unzen 38 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 Togitsu (32.8333°, 129.85°, elevation 1 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).