Kurihara weather in September

In September, Kurihara sees average daytime highs of 24°C and overnight lows near 17°C, with 171 mm of rain across 14.6 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 20% of the time in September, and the air most often feels humid.

Daylight stretches from about 12 h 54 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Kurihara's 9th-clearest and 10th-windiest month. For the whole year in context, see Kurihara's year-round climate.

Daytime high
24°
3rd warmest
Overnight low
17°
10th coldest
Rainfall
171 mm
14.6 wet days
Daylight
12 h 12 min
5:23 AM – 5:38 PM
Cloud cover
72%
9th clearest
Wind
8 km/h
10th windiest
Solar energy
3.55 kWh/m²
Travel score
5.8
out of 10

Kurihara is city in Miyagi Prefecture, Japan.

Density
83/km²
people per km²
Founded
2005

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 Kurihara reaches about 24°C in the afternoon and slips back to 17°C overnight — a 7°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 4°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12620
22619
32619
42619
52619
62619
72619
82519
92518
102518
112518
122518
132517
142417
152417
162417
172416
182416
192316
202316
212315
222315
232315
242315
252214
262214
272214
282214
292214
302113

How September really feels in Kurihara

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.

Kurihara 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 / -3°5910.68.99.60.0
Feb / -3°529.37.210.50.1
Mar / -0°9411.8511.71.7
Apr15° / 102121134.2
May20° / 11°11612.1014.15.9
Jun23° / 15°14313.5014.75.9
Jul26° / 20°19817.9014.45.2
Aug28° / 21°17616.4013.55.1
Sep24° / 17°17114.6012.35.8
Oct19° / 10°13510.80115.8
Nov12° / 699.80.89.93.4
Dec / -1°65115.89.30.6

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 20% 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 68%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
12872
22872
32971
43070
53070
63070
73070
83070
93169
103169
113169
123169
133169
143169
153169
163169
173169
183070
193169
203169
213268
223268
233268
243367
253565
263565
273664
283565
293664
303664

Chance of precipitation in September

Any precipitation

Kurihara gets around 171 mm of rain over 14.6 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 49% and peaks near 56% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
155
255
356
456
556
656
756
855
955
1055
1154
1253
1353
1452
1551
1650
1749
1848
1947
2046
2145
2244
2344
2443
2542
2642
2742
2841
2941
3041

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the humid band about 26% of days. Sticky, muggy-or-worse air turns up on roughly 34% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
11102436272
21112436262
31112536242
41122636232
51132736212
61142735202
72162734192
82172834181
93182833171
103202932151
114212931141
126222929131
137232928121
149242926111
1510262924100
161227292390
171428292180
181629291970
191930281760
202130281650
212331271450
222631261340
232831261130
243132251030
25333224920
26353223820
27373322710
28393321610
29413320510
30433319500

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 7 km/h on the calmest days to 8 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (km/h)Feels
17calm
27calm
37calm
47calm
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
178calm
188calm
198calm
208calm
218calm
228calm
238calm
248calm
258calm
268calm
278calm
288calm
298calm
308calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 12 h 54 min at the start of September to 11 h 36 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 78 minutes over September. Sunrise moves from 5:09 AM to 5:36 AM, and sunset from 6:02 PM to 5:15 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:096:02
212.85:106:01
312.85:115:59
412.85:125:57
512.75:135:56
612.75:145:54
712.65:155:53
812.65:165:51
912.55:165:49
1012.55:175:48
1112.55:185:46
1212.45:195:44
1312.45:205:43
1412.35:215:41
1512.35:225:39
1612.25:235:38
1712.25:245:36
1812.25:255:34
1912.15:265:33
2012.15:275:31
2112.05:275:29
2212.05:285:28
2311.95:295:26
2411.95:305:24
2511.95:315:23
2611.85:325:21
2711.85:335:20
2811.75:345:18
2911.75:355:16
3011.65:365:15

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.55 kWh/m².

For context, solar energy here swings from a low near 2.01 kWh/m² to a high of 5.28 kWh/m² in May across the year — September's 3.55 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.8Moderate
23.8Moderate
33.8Moderate
43.7Moderate
53.7Moderate
63.7Moderate
73.7Moderate
83.6Moderate
93.6Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.5Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.4Moderate
263.4Moderate
273.4Moderate
283.3Moderate
293.3Moderate
303.3Moderate
Planning a trip in September

Hazard calendar for Kurihara

In seasonPeak

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

Kurihara 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 Kurihara?

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

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

September is a reasonable time to visit Kurihara for sightseeing.

What to pack for Kurihara in September

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

In September, Kurihara sees daytime highs around 24°C and nights near 17°C. Pack rain gear. Worth having: light clothes. About 15 days see rain.

rain gearlight clothes

Sea temperature near Kurihara in September

The nearest coast averages about 22°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 53 km away) is warmest in August at about 23°C and coldest in March near 8°C.

It's comfortable for a long swim from Jul 10 to Oct 8 — about 3 months when the water holds above 20°C.

5°10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar8Bracing
Apr10Bracing
May13Bracing
Jun17Cool
Jul21Refreshing
Aug23Refreshing
Sep22Refreshing
Oct19Cool
Nov16Cool
Dec14Bracing

UV index in Kurihara in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 8 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kurihara peaks around August 18 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 11 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highVery highModerateAug 18UV 9Jan 11UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun8Very high
Jul7High
Aug9Very high
Sep8Very high
Oct5Moderate
Nov3Moderate
Dec2Low

Air quality in Kurihara 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 Kurihara is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (December, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1620 µg/m³Dec 1710 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb14Moderate
Mar19Moderate
Apr20Moderate
May19Moderate
Jun14Moderate
Jul12Moderate
Aug11Good
Sep11Good
Oct11Good
Nov11Good
Dec9Good
Location & terrain

Where is Kurihara?

Kurihara sits at 38.8°N, 141.0°E, 42 m above sea level, in Japan. The nearest listed city is Tome, 14 km away.

Topography around Kurihara

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

Within 3 km, the terrain around Kurihara has only modest variations in elevation — a maximum elevation change of 83 m around an average of 37 m above sea level; within 16 km, significant variations in elevation — a maximum elevation change of 566 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,619 m.

The land around Kurihara is covered by trees (45%) and cropland (39%) within 3 km, trees (59%) and cropland (31%) within 16 km, and trees (62%) and water (20%) within 80 km.

3 km
83 m
16 km
566 m
80 km
1,619 m
treesgrasslandcroplandartificial surfaceswaterwetland
September weather nearby: Tome 14 km · Ōsaki 18 km · Furukawa 20 km · Ichinoseki 22 km · Kogota 23 km · Naka-niida 24 km · Kogota-ekimae 25 km · Wakuya 26 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 Kurihara (38.75°, 141°, elevation 42 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).