Climate averages 1991–2020

Tsuruoka weather
in September.

A warm, very wet month: the 3rd warmest and the 5th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 23.8°C Daytime mean, September
Average low 18.5°C Night-time mean, September
Rainfall 180 mm 16 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Tsuruoka · average highYear overview

September is a warm month in Tsuruoka: daytime highs average 23.8°C and nights cool to about 18.5°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 180 mm of rain on roughly 16 days, which makes September a very wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 29 min on an average September day.

The nearest other city in this atlas is Sakata (22 km away). In September its highs average 23.8°C, about as warm as Tsuruoka, with 163 mm of rain.

Among the 303 cities listed in Japan, Tsuruoka ranks joint 263rd of 303 for the warmest September highs and joint 121st of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Tsuruoka is 1.9°C cooler than that mean.

From September to October, average highs fall by 5.7°C to 18.1°C, and monthly rainfall rises from 180 mm to 203 mm.

The annual picture

September in context

30-year average
Average highAverage low°C
Average daily high and low temperatures by month The same values are available in the monthly table below. Lines show mean daily maxima and minima, not a forecast interval. -5051015202530 JanFebMarAprMayJunJulAugSepOctNovDec

Monthly rainfall

Average total · mm
Average monthly rainfall totalsEach bar is a mean monthly total over 1991–2020. Full numbers are in the table. JanFebMarAprMayJunJulAugSepOctNovDec 3500

Averages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated

Every month, side by side

Tsuruoka climate table

1991–2020
Monthly climate averages for Tsuruoka, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 2.8°C-0.5°C-0.5°C28527.79.810 h
February 3.3°C-0.8°C-0.8°C19223.110.711 h
March 6.5°C1.2°C1.2°C16920.611.912 h
April 12.9°C5.6°C5.6°C13215.413.213 h
May 18.6°C11.4°C11.4°C13413.714.314 h
June 22.3°C16.1°C16.1°C14812.814.815 h
July 25.7°C20.6°C20.6°C25917.214.615 h
August 27.3°C22.0°C22.0°C20315.713.714 h
September, selected 23.8°C18.5°C18.5°C18015.512.512 h
October 18.1°C12.6°C12.6°C20316.611.211 h
November 12.1°C6.8°C6.8°C23820.910.110 h
December 5.9°C1.8°C1.8°C31126.39.510 h

Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.

Compare places

September in nearby cities

Distance from Tsuruoka

Read the numbers correctly

Climate, not a promise.

These patterns help compare months. They cannot tell you the weather on a specific day of your trip.

Sources, method and limits

How these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Tsuruoka) is explained once on the Tsuruoka year overview and on the Sources, method and limits page.