Nakama weather in September

In September, Nakama sees average daytime highs of 28°C and overnight lows near 21°C, with 162 mm of rain across 13 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 30°C in the first days to 26°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 Nakama's 4th-clearest and 7th-windiest month. For the whole year in context, see Nakama's year-round climate.

Daytime high
28°
3rd warmest
Overnight low
21°
10th coldest
Rainfall
162 mm
13 wet days
Daylight
12 h 12 min
6:05 AM – 6:18 PM
Cloud cover
61%
4th clearest
Wind
10 km/h
7th windiest
Solar energy
4.18 kWh/m²
Travel score
5.5
out of 10

Nakama is city in Fukuoka Prefecture, Japan.

Density
2,929/km²
people per km²
Founded
1958

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 30°C in the first days to 26°C by the end.

A typical September day in Nakama reaches about 28°C in the afternoon and slips back to 21°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 25°C and 31°C. Set against its neighbours, September runs about 4°C cooler than August and about 5°C warmer than October.

15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
13023
23023
33023
43023
53023
63023
73023
82923
92922
102922
112922
122922
132922
142822
152821
162821
172821
182821
192821
202720
212720
222720
232720
242720
252720
262619
272619
282619
292619
302619

How September really feels in Nakama

Once humidity and wind are folded in, September averages 6 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
6
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.

Nakama 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 daysSnow daysDaylight (hours)Travel score
Jan10° / 599.11.2102.1
Feb11° / 648.8110.72.7
Mar15° / 10811.20.211.74.2
Apr20° / 11°12010.6012.86.1
May24° / 16°13310.3013.76.7
Jun27° / 20°25814.8014.25.5
Jul30° / 24°23815.70144.0
Aug32° / 25°14213.5013.33.7
Sep28° / 21°16213012.25.5
Oct23° / 15°937.9011.17.2
Nov18° / 10°788.4010.25.8
Dec12° / 618.70.49.83.3

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%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14357
24456
34456
44456
54456
64555
74555
84654
94654
104753
114753
124852
134852
144753
154852
164852
174852
184753
194852
204852
214852
224753
234852
244852
254951
264951
274951
284951
295050
305149

Chance of precipitation in September

Any precipitation

Nakama gets around 162 mm of rain over 13 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 50% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
150
249
349
449
548
648
748
847
947
1047
1146
1245
1345
1444
1543
1642
1742
1841
1940
2040
2139
2238
2338
2437
2536
2636
2735
2834
2934
3033

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 64% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1017275510
201828549
301929538
4011030518
5011131507
6021232486
7021332466
8031433445
9031633435
10141733414
11151833394
12161933374
13172033353
14282133333
15292232323
163102332302
173112431282
184122530272
194132630252
205142729232
215152829221
226162828201
237172928181
247183027171
258193027151
269203026141
2710213125131
2811223125111
2912223124101
301423312390

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm

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 5:55 AM to 6:15 AM, and sunset from 6:39 PM to 5:58 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.75:556:39
212.75:556:38
312.75:566:36
412.65:576:35
512.65:586:33
612.65:586:32
712.55:596:31
812.56:006:29
912.56:006:28
1012.46:016:26
1112.46:026:25
1212.46:026:23
1312.36:036:22
1412.36:046:21
1512.26:056:19
1612.26:056:18
1712.26:066:16
1812.16:076:15
1912.16:076:13
2012.16:086:12
2112.06:096:10
2212.06:106:09
2312.06:106:08
2411.96:116:06
2511.96:126:05
2611.86:126:03
2711.86:136:02
2811.86:146:00
2911.76:155:59
3011.76:155:58

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 4.18 kWh/m².

For context, solar energy here swings from a low near 2.15 kWh/m² to a high of 5.48 kWh/m² in May across the year — September's 4.18 kWh/m² falls in the middle.

024151015202530
Solar energy (kWh/m²)Level
14.6Bright
24.5Bright
34.5Bright
44.5Bright
54.5Bright
64.4Bright
74.4Bright
84.4Bright
94.4Bright
104.3Bright
114.3Bright
124.3Bright
134.3Bright
144.2Bright
154.2Bright
164.2Bright
174.2Bright
184.2Bright
194.1Bright
204.1Bright
214.1Bright
224.0Bright
234.0Bright
244.0Bright
254.0Moderate
264.0Moderate
273.9Moderate
283.9Moderate
293.9Moderate
303.9Moderate
Planning a trip in September

Hazard calendar for Nakama

In seasonPeak

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

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

Nakama's rainy season runs April–September, 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 Nakama?

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

5.5
Sightseeing
5th-best month of the year
6.3
Beach & pool
1st-best month of the year

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

What to pack for Nakama in September

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

In September, Nakama sees daytime highs around 28°C and nights near 21°C. Pack light clothes. Worth having: rain gear. About 13 days see rain.

light clothesrain gear

Sea temperature near Nakama 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 offshore is warmest in August at about 27°C and coldest in February near 14°C.

It's comfortable for a long swim from Jun 7 to Nov 19 — about 5.5 months when the water holds above 20°C.

10°15°20°25°30°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan16Cool
Feb14Bracing
Mar14Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul25Warm
Aug27Warm
Sep26Warm
Oct23Refreshing
Nov20Refreshing
Dec18Cool

UV index in Nakama 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 Nakama peaks around July 17 at about 9 (very high) — 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 — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 17UV 9Dec 22UV 3
UV index (midday)Level
Jan3Moderate
Feb4Moderate
Mar5High
Apr8Very high
May8Very high
Jun9Very high
Jul9Very high
Aug9Very high
Sep9Very high
Oct6High
Nov4Moderate
Dec3Moderate

Air quality in Nakama 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 Nakama is worst in April — around 25 µg/m³ PM2.5 (moderate), about 2.1× the cleanest month (October, 12 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1225 µg/m³Oct 1212 µg/m³
PM2.5 (µg/m³)Level
Jan17Moderate
Feb20Moderate
Mar25Moderate
Apr25Moderate
May23Moderate
Jun18Moderate
Jul13Moderate
Aug15Moderate
Sep13Moderate
Oct12Moderate
Nov15Moderate
Dec14Moderate
Location & terrain

Where is Nakama?

Nakama sits at 33.8°N, 130.7°E, 3 m above sea level, in Japan. The nearest listed city is Inokura, 3.0 km away.

Topography around Nakama

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

Within 3 km, the terrain around Nakama has only modest variations in elevation — a maximum elevation change of 89 m around an average of 13 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 888 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,246 m.

The land around Nakama is covered by artificial surfaces (51%) and cropland (22%) within 3 km, trees (46%) and artificial surfaces (27%) within 16 km, and water (48%) and trees (37%) within 80 km.

3 km
89 m
16 km
888 m
80 km
1,246 m
treesgrasslandcroplandartificial surfacesbare terrainwater
September weather nearby: Inokura 3.0 km · Miyaodai 3.0 km · Yurigaoka 8.0 km · Nōgata 9.0 km · Miyawaka 13 km · Miyata 13 km · Kitakyushu 14 km · Munakata 14 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 Nakama (33.8169°, 130.7096°, elevation 3 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).