Namie weather in September

In September, Namie sees average daytime highs of 24°C and overnight lows near 20°C, with 184 mm of rain across 14.9 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs ease over the month, from about 26°C in the first days to 22°C by the end. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels muggy.

Daylight stretches from about 12 h 48 min at the start of September to 11 h 42 min by month's end. Set against the rest of the year, September is Namie's 9th-clearest and 9th-windiest month. For the whole year in context, see Namie's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
184 mm
14.9 wet days
Daylight
12 h 12 min
5:23 AM – 5:37 PM
Cloud cover
70%
9th clearest
Wind
10 km/h
9th windiest
Solar energy
3.65 kWh/m²
Travel score
5.8
out of 10

Namie is town in Futaba District, Fukushima Prefecture, Japan.

Density
98/km²
people per km²
Founded
1956

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 26°C in the first days to 22°C by the end.

A typical September day in Namie reaches about 24°C in the afternoon and slips back to 20°C overnight — a 4°C spread between the day's warmth and the night's chill. On most days the high lands between 20°C and 28°C. Set against its neighbours, September runs about 3°C cooler than August and about 5°C warmer than October.

10°15°20°25°30°35°151015202530
Avg high (°C)Avg low (°C)
12622
22622
32622
42622
52622
62621
72621
82521
92521
102521
112521
122521
132520
142420
152420
162420
172420
182419
192319
202319
212319
222319
232318
242318
252218
262218
272218
282218
292217
302117

How September really feels in Namie

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.

Namie 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
Jan / 586.12.69.70.5
Feb / 516.62.910.60.5
Mar / 9610.12.511.71.8
Apr14° / 10810.90.412.93.9
May19° / 13°11011.40145.7
Jun22° / 18°12712.6014.55.8
Jul26° / 22°19216.7014.35.4
Aug27° / 23°15715.1013.45.5
Sep24° / 20°18414.9012.35.8
Oct19° / 14°18411.70115.8
Nov14° / 778.10104.2
Dec / 5471.19.51.9

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 19% of the time in September.

Beyond those clear spells, partly cloudy skies cover about 14% of September, with mostly cloudy or overcast conditions the remaining 67%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23367
33466
43466
53466
63466
73466
83367
93367
103466
113367
123367
133367
143268
153268
163268
173268
183268
193169
203169
213268
223268
233268
243268
253367
263367
273466
283466
293565
303565

Chance of precipitation in September

Any precipitation

Namie gets around 184 mm of rain over 14.9 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 52% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
152
252
352
452
552
652
752
852
952
1052
1152
1252
1352
1452
1551
1651
1751
1851
1950
2050
2149
2248
2348
2447
2547
2646
2746
2845
2945
3045

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

Most of September feels muggy — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, September lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 52% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1021436426
2021536425
3021537415
4031637404
5031737394
6041838373
7041938363
8052037352
9162137332
10172337311
11182437301
12292536281
132102635261
143112734241
153132933220
164143032200
175163131180
185173230160
196183428140
207203527120
218213525100
221022362490
231123372270
241224372160
251325381950
261426381840
271627381630
281727381520
291928381420
302128371320

Wind in September

Winds average 10 km/h in September.

Across September, daily wind ranges from about 9 km/h on the calmest days to 11 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
19calm
29calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2211calm
2311calm
2411calm
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 48 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 66 minutes over September. Sunrise moves from 5:10 AM to 5:36 AM, and sunset from 6:01 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:106:01
212.85:116:00
312.85:125:58
412.75:135:56
512.75:145:55
612.65:155:53
712.65:155:52
812.65:165:50
912.55:175:49
1012.55:185:47
1112.45:195:45
1212.45:205:44
1312.45:215:42
1412.35:215:41
1512.35:225:39
1612.25:235:37
1712.25:245:36
1812.25:255:34
1912.15:265:33
2012.15:275:31
2112.05:285:29
2212.05:285:28
2311.95:295:26
2411.95:305:25
2511.95:315:23
2611.85:325:21
2711.85:335:20
2811.75:345:18
2911.75:355:17
3011.75:365:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.65 kWh/m².

For context, solar energy here swings from a low near 2.25 kWh/m² to a high of 5.42 kWh/m² in May across the year — September's 3.65 kWh/m² falls in the middle.

012345151015202530
Solar energy (kWh/m²)Level
14.0Bright
24.0Bright
34.0Moderate
44.0Moderate
53.9Moderate
63.9Moderate
73.9Moderate
83.8Moderate
93.8Moderate
103.8Moderate
113.7Moderate
123.7Moderate
133.7Moderate
143.7Moderate
153.6Moderate
163.6Moderate
173.6Moderate
183.6Moderate
193.5Moderate
203.5Moderate
213.5Moderate
223.5Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.3Moderate
Planning a trip in September

Hazard calendar for Namie

In seasonPeak

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

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

Namie's rainy season runs March–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 Namie?

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

5.8
Sightseeing
1st-best month of the year
4.8
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Namie for sightseeing.

What to pack for Namie in September

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

In September, Namie sees daytime highs around 24°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Namie in September

The nearest coast averages about 23°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 16 km away) is warmest in August at about 23°C and coldest in March near 10°C.

It's comfortable for a long swim from Jul 9 to Oct 12 — about 3.2 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan13Bracing
Feb11Bracing
Mar10Bracing
Apr12Bracing
May14Bracing
Jun18Cool
Jul21Refreshing
Aug23Refreshing
Sep23Refreshing
Oct20Cool
Nov17Cool
Dec15Cool

UV index in Namie in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Namie peaks around July 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 10 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 9 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 20UV 9Jan 10UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul9Very high
Aug9Very high
Sep8Very high
Oct5High
Nov3Moderate
Dec2Low

Air quality in Namie 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 Namie is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1720 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Good
Aug10Good
Sep10Good
Oct10Good
Nov10Good
Dec9Good
Location & terrain

Where is Namie?

Namie sits at 37.5°N, 141.0°E, 15 m above sea level, in Japan. The nearest listed city is Minami-Sōma, 16 km away.

Topography around Namie

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

Within 3 km, the terrain around Namie has only modest variations in elevation — a maximum elevation change of 90 m around an average of 21 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 728 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,970 m.

The land around Namie is covered by trees (37%) and cropland (27%) within 3 km, trees (44%) and water (39%) within 16 km, and trees (53%) and water (35%) within 80 km.

3 km
90 m
16 km
728 m
80 km
1,970 m
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
September weather nearby: Minami-Sōma 16 km · Sōma 35 km · Tamura 35 km · Funehikimachi-funehiki 38 km · Miharu 46 km · Iwaki 49 km · Nihommatsu 51 km · Motomiya 53 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 Namie (37.4833°, 141°, elevation 15 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).