Gyōda weather in September

In September, Gyōda sees average daytime highs of 26°C and overnight lows near 20°C, with 221 mm of rain across 16.7 wet days and about 12.2 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs ease over the month, from about 28°C in the first days to 24°C by the end. The sky is clear or mostly clear about 20% 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 Gyōda's 10th-clearest and 8th-windiest month. For the whole year in context, see Gyōda's year-round climate.

Daytime high
26°
3rd warmest
Overnight low
20°
10th coldest
Rainfall
221 mm
16.7 wet days
Daylight
12 h 12 min
5:30 AM – 5:43 PM
Cloud cover
69%
10th clearest
Wind
6 km/h
8th windiest
Solar energy
3.51 kWh/m²
Travel score
5.3
out of 10

Gyōda is city in Saitama Prefecture, Japan.

Density
1,279/km²
people per km²
Founded
1949

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 28°C in the first days to 24°C by the end.

A typical September day in Gyōda reaches about 26°C in the afternoon and slips back to 20°C overnight — a 7°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 30°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°35°151015202530
Avg high (°C)Avg low (°C)
12922
22922
32922
42822
52822
62822
72821
82821
92821
102721
112721
122721
132720
142720
152620
162620
172620
182619
192619
202519
212519
222518
232518
242518
252418
262418
272417
282417
292417
302317

How September really feels in Gyōda

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.

Gyōda weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan / -0°556.129.81.6
Feb / 536.92.310.62.0
Mar13° / 10411.81.511.73.5
Apr18° / 12112.20.212.95.4
May23° / 14°15313.7013.96.1
Jun25° / 18°18716.7014.45.3
Jul29° / 22°22018.8014.24.3
Aug30° / 23°17116.4013.44.1
Sep26° / 20°22116.7012.25.3
Oct21° / 14°20613.7011.15.9
Nov15° / 838.6010.15.0
Dec10° / 516.70.49.62.8

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 16% of September, with mostly cloudy or overcast conditions the remaining 64%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13664
23763
33763
43763
53763
63664
73763
83763
93763
103565
113565
123664
133664
143565
153565
163466
173466
183466
193466
203466
213466
223466
233466
243466
253466
263664
273664
283664
293763
303862

Chance of precipitation in September

Any precipitation

Gyōda gets around 221 mm of rain over 16.7 wet days in September, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 56% and peaks near 59% on the wettest days. The odds ease toward the end of the month.

0%20%40%60%151015202530
Rain chance (%)
158
258
359
459
559
659
759
859
959
1059
1159
1259
1358
1458
1557
1657
1756
1856
1955
2055
2154
2254
2353
2453
2552
2652
2752
2852
2952
3052

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 55% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
1011135476
2011236465
3011236455
4021337444
5021337434
6131437423
7141537403
8151637393
9161737372
10171836362
11281936342
12292135322
133102234301
143112433281
154122532261
165132731241
176142830221
187153029191
198163127171
209173226151
2110183424140
2211193423120
2312203522100
241321362090
251422371970
261523381860
271624381750
281725381640
291925381530
302026371420

Wind in September

Winds average 6 km/h in September.

Across September, daily wind ranges from about 6 km/h on the calmest days to 6 km/h at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (km/h)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

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 5:18 AM to 5:41 AM, and sunset from 6:06 PM to 5:22 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
112.85:186:06
212.85:196:05
312.75:196:03
412.75:206:02
512.75:216:00
612.65:225:59
712.65:235:57
812.55:235:56
912.55:245:54
1012.55:255:53
1112.45:265:51
1212.45:275:49
1312.35:275:48
1412.35:285:46
1512.35:295:45
1612.25:305:43
1712.25:315:42
1812.15:315:40
1912.15:325:39
2012.15:335:37
2112.05:345:36
2212.05:355:34
2312.05:355:32
2411.95:365:31
2511.95:375:29
2611.85:385:28
2711.85:395:26
2811.85:405:25
2911.75:405:23
3011.75:415:22

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.51 kWh/m².

For context, solar energy here swings from a low near 2.4 kWh/m² to a high of 5.08 kWh/m² in May across the year — September's 3.51 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.9Moderate
33.9Moderate
43.8Moderate
53.8Moderate
63.8Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.5Moderate
143.5Moderate
153.5Moderate
163.5Moderate
173.4Moderate
183.4Moderate
193.4Moderate
203.4Moderate
213.3Moderate
223.3Moderate
233.3Moderate
243.3Moderate
253.2Moderate
263.2Moderate
273.2Moderate
283.2Moderate
293.1Moderate
303.1Moderate
Planning a trip in September

Hazard calendar for Gyōda

In seasonPeak

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

Gyōda's rainy season runs March–October, when most of the year's rain falls.

Rainy season
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is September a good time to visit Gyōda?

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

5.3
Sightseeing
4th-best month of the year
5.2
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Gyōda for sightseeing.

What to pack for Gyōda in September

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

In September, Gyōda sees daytime highs around 26°C and nights near 20°C. Pack rain gear. Worth having: light clothes. About 17 days see rain.

rain gearlight clothes

Sea temperature near Gyōda in September

The nearest coast averages about 25°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 68 km away) is warmest in August at about 26°C and coldest in February near 13°C.

It's comfortable for a long swim from Jun 7 to Nov 3 — about 4.9 months when the water holds above 20°C.

10°15°20°25°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°C)Comfort
Jan14Bracing
Feb13Bracing
Mar13Bracing
Apr15Cool
May18Cool
Jun21Refreshing
Jul23Refreshing
Aug26Warm
Sep25Warm
Oct22Refreshing
Nov19Cool
Dec16Cool

UV index in Gyōda 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 Gyōda peaks around July 16 at about 10 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 2 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highModerateJul 16UV 10Jan 1UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul10Very high
Aug9Very high
Sep9Very high
Oct6High
Nov3Moderate
Dec2Moderate

Air quality in Gyōda 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 Gyōda is worst in April — around 26 µg/m³ PM2.5 (moderate), about 1.9× the cleanest month (December, 14 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecModerateApr 1426 µg/m³Dec 1814 µg/m³
PM2.5 (µg/m³)Level
Jan15Moderate
Feb21Moderate
Mar25Moderate
Apr26Moderate
May24Moderate
Jun20Moderate
Jul17Moderate
Aug16Moderate
Sep16Moderate
Oct16Moderate
Nov16Moderate
Dec14Moderate
Location & terrain

Where is Gyōda?

Gyōda sits at 36.1°N, 139.5°E, 25 m above sea level, in Japan. The nearest listed city is Fukiage-fujimi, 5.0 km away.

Topography around Gyōda

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

Within 3 km, the terrain around Gyōda has only modest variations in elevation — a maximum elevation change of 17 m around an average of 20 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 132 m; within 80 km, extreme variations in elevation — a maximum elevation change of 2,579 m.

The land around Gyōda is covered by artificial surfaces (56%) and cropland (36%) within 3 km, cropland (40%) and artificial surfaces (40%) within 16 km, and trees (53%) and artificial surfaces (26%) within 80 km.

3 km
17 m
16 km
132 m
80 km
2,579 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Fukiage-fujimi 5.0 km · Kumagaya 6.0 km · Hanyū 7.0 km · Ōwa 7.0 km · Kōnosu 9.0 km · Yamata 10 km · Menuma 11 km · Kisai 12 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 Gyōda (36.1407°, 139.4601°, elevation 25 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. 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).