Ōdate weather in September

In September, Ōdate sees average daytime highs of 23°C and overnight lows near 15°C, with 153 mm of rain across 13.8 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 25°C in the first days to 20°C by the end. The sky is clear or mostly clear about 19% of the time in September, and the air most often feels dry.

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 Ōdate's 5th-clearest and 9th-windiest month. For the whole year in context, see Ōdate's year-round climate.

Daytime high
23°
3rd warmest
Overnight low
15°
10th coldest
Rainfall
153 mm
13.8 wet days
Daylight
12 h 18 min
5:24 AM – 5:40 PM
Cloud cover
69%
5th clearest
Wind
8 km/h
9th windiest
Solar energy
3.71 kWh/m²
Travel score
5.9
out of 10

Ōdate is city in Akita Prefecture, Japan.

Density
76/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 25°C in the first days to 20°C by the end.

A typical September day in Ōdate reaches about 23°C in the afternoon and slips back to 15°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 19°C and 26°C. Set against its neighbours, September runs about 4°C cooler than August and about 6°C warmer than October.

10°15°20°25°30°151015202530
Avg high (°C)Avg low (°C)
12518
22518
32518
42517
52517
62417
72417
82417
92416
102416
112416
122316
132316
142315
152315
162315
172215
182214
192214
202214
212114
222113
232113
242113
252113
262012
272012
282012
292012
302011

How September really feels in Ōdate

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.

Ōdate 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 / -6°8416.1219.50.0
Feb / -6°8014.917.110.40.0
Mar / -3°1071713.111.70.3
Apr12° / 10714.93.3132.9
May18° / 11313.30.114.25.2
Jun22° / 14°11713.2014.85.8
Jul25° / 18°18717014.65.5
Aug26° / 19°18216.4013.65.5
Sep23° / 15°15313.8012.35.9
Oct16° / 13513.80.110.94.6
Nov / 11816.45.19.81.6
Dec / -3°11017.817.19.20.0

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 18% of September, with mostly cloudy or overcast conditions the remaining 63%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23268
33268
43466
53466
63466
73565
83664
93664
103664
113763
123763
133763
143763
153664
163664
173664
183763
193763
203763
213763
223763
233862
243862
253763
263763
273862
283862
293862
303862

Chance of precipitation in September

Any precipitation

Ōdate gets around 153 mm of rain over 13.8 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 47% and peaks near 53% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
153
253
353
452
552
651
751
850
949
1049
1148
1247
1347
1446
1546
1645
1745
1844
1944
2044
2143
2243
2343
2444
2544
2644
2744
2844
2945
3045

Humidity in September

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, September lands in the dry band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 19% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1416353213
2417353112
3418363011
4519372910
552037289
662137278
772237267
892337256
9102437245
10122536224
11142535214
12172634203
13192633192
14222732172
15252730161
16282829141
17312827131
18342825121
19372923100
2040292290
2143292080
2245291870
2348291760
2451291550
2553291440
2655291330
2757291130
2860281020
296227920
306427810

Wind in September

Winds average 8 km/h in September.

Across September, daily wind ranges from about 8 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
18calm
28calm
38calm
48calm
58calm
68calm
78calm
88calm
98calm
108calm
118calm
128calm
138calm
148calm
158calm
168calm
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 5:38 AM, and sunset from 6:06 PM to 5:16 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.95:096:06
212.95:106:04
312.85:116:02
412.85:126:01
512.85:135:59
612.75:145:57
712.75:155:55
812.65:165:54
912.65:175:52
1012.55:185:50
1112.55:195:49
1212.45:205:47
1312.45:215:45
1412.45:225:43
1512.35:235:42
1612.35:245:40
1712.25:255:38
1812.25:265:36
1912.15:275:35
2012.15:285:33
2112.05:295:31
2212.05:305:30
2311.95:315:28
2411.95:325:26
2511.95:335:24
2611.85:345:23
2711.85:355:21
2811.75:365:19
2911.75:375:18
3011.65:385:16

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.71 kWh/m².

For context, solar energy here swings from a low near 1.67 kWh/m² to a high of 5.37 kWh/m² in May across the year — September's 3.71 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
83.9Moderate
93.8Moderate
103.8Moderate
113.8Moderate
123.8Moderate
133.7Moderate
143.7Moderate
153.7Moderate
163.7Moderate
173.6Moderate
183.6Moderate
193.6Moderate
203.6Moderate
213.6Moderate
223.5Moderate
233.5Moderate
243.5Moderate
253.5Moderate
263.5Moderate
273.4Moderate
283.4Moderate
293.4Moderate
303.3Moderate
Planning a trip in September

Hazard calendar for Ōdate

In seasonPeak

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

Ōdate 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 Ōdate?

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

5.9
Sightseeing
1st-best month of the year
4.2
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Ōdate for sightseeing.

What to pack for Ōdate in September

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

In September, Ōdate sees daytime highs around 23°C and nights near 15°C. Pack rain gear. Worth having: light clothes. About 14 days see rain.

rain gearlight clothes

Sea temperature near Ōdate in September

The nearest coast averages about 24°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 59 km away) is warmest in August at about 25°C and coldest in March near 9°C.

It's comfortable for a long swim from Jul 3 to Oct 20 — about 3.6 months when the water holds above 20°C.

10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan11Bracing
Feb9Bracing
Mar9Bracing
Apr10Bracing
May13Bracing
Jun18Cool
Jul22Refreshing
Aug25Warm
Sep24Warm
Oct21Refreshing
Nov17Cool
Dec14Bracing

UV index in Ōdate in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Ōdate peaks around August 19 at about 8 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighVery highHighModerateLowAug 19UV 8Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar3Moderate
Apr6High
May8Very high
Jun8Very high
Jul5Moderate
Aug9Very high
Sep7High
Oct4Moderate
Nov2Moderate
Dec2Low

Air quality in Ōdate 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 Ōdate is worst in April — around 20 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1620 µg/m³Dec 169 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb13Moderate
Mar18Moderate
Apr20Moderate
May18Moderate
Jun13Moderate
Jul12Good
Aug10Good
Sep10Good
Oct10Good
Nov9Good
Dec8Good
Location & terrain

Where is Ōdate?

Ōdate sits at 40.3°N, 140.6°E, 66 m above sea level, in Japan. The nearest listed city is Kita-Akita, 16 km away.

Topography around Ōdate

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

Within 3 km, the terrain around Ōdate has only modest variations in elevation — a maximum elevation change of 208 m around an average of 66 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 799 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,976 m.

The land around Ōdate is covered by trees (33%), artificial surfaces (32%) and cropland (29%) within 3 km, trees (85%) within 16 km, and trees (71%) within 80 km.

3 km
208 m
16 km
799 m
80 km
1,976 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Kita-Akita 16 km · Takanosu 17 km · Hanawa 22 km · Hirakawa 35 km · Hirosaki 36 km · Kuroishi 42 km · Moritake 45 km · Noshiro 46 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 Ōdate (40.2718°, 140.5576°, elevation 66 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).