Kitami weather in September

In September, Kitami sees average daytime highs of 20°C and overnight lows near 12°C, with 122 mm of rain across 12 wet days and about 12.3 hours of daylight. It is the 3rd-warmest and 2nd-wettest month of the year here.

Highs ease over the month, from about 22°C in the first days to 18°C by the end. The sky is clear or mostly clear about 22% of the time in September, and the air most often feels dry.

Daylight stretches from about 13 h 06 min at the start of September to 11 h 36 min by month's end. Set against the rest of the year, September is Kitami's 8th-clearest and 9th-windiest month. For the whole year in context, see Kitami's year-round climate.

Daytime high
20°
3rd warmest
Overnight low
12°
10th coldest
Rainfall
122 mm
12 wet days
Daylight
12 h 18 min
5:10 AM – 5:28 PM
Cloud cover
68%
8th clearest
Wind
10 km/h
9th windiest
Solar energy
3.54 kWh/m²
Travel score
5.8
out of 10

Kitami is city in Hokkaido, Japan.

Density
83/km²
people per km²
Founded
1942

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 22°C in the first days to 18°C by the end.

A typical September day in Kitami reaches about 20°C in the afternoon and slips back to 12°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 15°C and 24°C. Set against its neighbours, September runs about 3°C cooler than August and about 6°C warmer than October.

10°20°30°151015202530
Avg high (°C)Avg low (°C)
12215
22215
32215
42214
52214
62214
72214
82114
92114
102113
112113
122113
132113
142012
152012
162012
172012
182011
191911
201911
211911
221910
231910
241810
251810
261810
27189
28189
29179
30179

How September really feels in Kitami

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.

Kitami weather by month

How September compares with the rest of the year at a glance. September is the 3rd-warmest and 2nd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysSnow daysDaylight (hours)Travel score
Jan-4° / -13°578.39.69.10.0
Feb-3° / -13°446.98.310.20.0
Mar / -7°609.69.611.60.0
Apr / -1°6911.66.213.21.8
May15° / 7711.61.214.54.4
Jun19° / 10°7711.1015.25.7
Jul22° / 15°10711.6014.96.2
Aug23° / 16°13412.5013.86.2
Sep20° / 12°12212012.35.8
Oct14° / 909.80.210.84.2
Nov / -1°659.64.29.50.9
Dec-1° / -9°718.98.68.80.0

Cloud cover in September

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 22% 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 62%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
13367
23466
33367
43268
53268
63268
73268
83367
93367
103367
113466
123565
133565
143664
153664
163763
173961
183961
194060
204060
214159
224258
234357
244357
254456
264456
274456
284654
294654
304654

Chance of precipitation in September

Any precipitation

Kitami gets around 122 mm of rain over 12 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 40% and peaks near 40% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
140
240
340
440
540
640
740
840
940
1040
1139
1239
1339
1440
1540
1640
1740
1840
1940
2040
2140
2240
2340
2440
2540
2640
2740
2839
2939
3038

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 57% of days. Sticky, muggy-or-worse air turns up on roughly 6% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1233527141
2253526131
3263525121
4283524121
5303523111
6323422101
7343421101
836342091
939331991
1041331781
1144321671
1247311571
1350311360
1452301260
1557281050
165927950
176226840
186425740
196823630
207022530
217220530
227519420
237817320
247916320
258215210
268314210
278413210
288712100
298811100
30909100

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 11 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
2511calm
2611calm
2711calm
2811calm
2911calm
3011calm

Sunrise & sunset in September

DaylightNight

Daylight runs from about 13 h 06 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 90 minutes over September. Sunrise moves from 4:52 AM to 5:26 AM, and sunset from 5:56 PM to 5:01 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
113.14:525:56
213.04:545:54
313.04:555:52
412.94:565:50
512.94:575:49
612.84:585:47
712.84:595:45
812.75:015:43
912.75:025:41
1012.65:035:39
1112.65:045:37
1212.55:055:35
1312.55:065:33
1412.45:085:31
1512.35:095:30
1612.35:105:28
1712.25:115:26
1812.25:125:24
1912.15:135:22
2012.15:155:20
2112.05:165:18
2212.05:175:16
2311.95:185:14
2411.95:195:12
2511.85:205:10
2611.85:225:09
2711.75:235:07
2811.75:245:05
2911.65:255:03
3011.65:265:01

Solar energy in September

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in September, about 3.54 kWh/m².

For context, solar energy here swings from a low near 1.71 kWh/m² to a high of 5.2 kWh/m² in May across the year — September's 3.54 kWh/m² falls in the middle.

01234151015202530
Solar energy (kWh/m²)Level
13.9Moderate
23.8Moderate
33.8Moderate
43.8Moderate
53.8Moderate
63.7Moderate
73.7Moderate
83.7Moderate
93.7Moderate
103.6Moderate
113.6Moderate
123.6Moderate
133.6Moderate
143.6Moderate
153.5Moderate
163.5Moderate
173.5Moderate
183.5Moderate
193.5Moderate
203.4Moderate
213.4Moderate
223.4Moderate
233.4Moderate
243.4Moderate
253.3Moderate
263.3Moderate
273.3Moderate
283.3Moderate
293.3Moderate
303.2Moderate
Planning a trip in September

Hazard calendar for Kitami

In seasonPeak

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

Kitami 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 Kitami?

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
3.0
Beach & pool
3rd-best month of the year

September is a reasonable time to visit Kitami for sightseeing.

What to pack for Kitami in September

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

In September, Kitami sees daytime highs around 20°C and nights near 12°C. Worth packing: rain gear. About 12 days see rain.

rain gear

Sea temperature near Kitami in September

The nearest coast averages about 17°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 40 km away) is warmest in August at about 17°C and coldest in February near -1°C.

The water stays below 20°C all year — cool enough that most swimmers want a wetsuit.

0°10°20°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshing
Sea temperature (°C)Comfort
Jan0Bracing
Feb-1Bracing
Mar0Bracing
Apr1Bracing
May5Bracing
Jun10Bracing
Jul14Bracing
Aug17Cool
Sep17Cool
Oct12Bracing
Nov7Bracing
Dec3Bracing

UV index in Kitami in September

LowModerateHighVery highExtreme

Clear-sky midday UV in September peaks around 6 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Kitami peaks around August 16 at about 8 (very high) — sunscreen and a hat are worth it in the middle of the day. It bottoms out near December 19 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowAug 16UV 8Dec 19UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar3Moderate
Apr5Moderate
May7High
Jun7High
Jul6High
Aug8Very high
Sep6High
Oct4Moderate
Nov2Low
Dec1Low

Air quality in Kitami 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 Kitami is worst in April — around 15 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (December, 6 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodApr 1115 µg/m³Dec 176 µg/m³
PM2.5 (µg/m³)Level
Jan7Good
Feb10Good
Mar15Moderate
Apr15Moderate
May13Moderate
Jun9Good
Jul9Good
Aug8Good
Sep7Good
Oct9Good
Nov7Good
Dec6Good
Location & terrain

Where is Kitami?

Kitami sits at 43.8°N, 143.9°E, 79 m above sea level, in Japan. The nearest listed city is Motomachi, 17 km away.

Topography around Kitami

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

Within 3 km, the terrain around Kitami has only modest variations in elevation — a maximum elevation change of 178 m around an average of 93 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 792 m; within 80 km, very significant variations in elevation — a maximum elevation change of 2,196 m.

The land around Kitami is covered by artificial surfaces (60%) and trees (24%) within 3 km, trees (62%) and cropland (24%) within 16 km, and trees (64%) and water (22%) within 80 km.

3 km
178 m
16 km
792 m
80 km
2,196 m
treesgrasslandcroplandartificial surfaceswater
September weather nearby: Motomachi 17 km · Engaru 39 km · Abashiri 39 km · Mombetsu 75 km · Nakashibetsu 91 km · Kushiro 100 km · Shibetsu 101 km · Otofuke 106 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 Kitami (43.8031°, 143.8908°, elevation 79 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).