Climate averages 1991–2020

Yukuhashi weather
in September.

A warm, wet month: the 3rd warmest and the 10th driest of the year.

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

Average high 26.7°C Daytime mean, September
Average low 20.8°C Night-time mean, September
Rainfall 157 mm 12 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Yukuhashi · average highYear overview

September is a warm month in Yukuhashi: daytime highs average 26.7°C and nights cool to about 20.8°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 157 mm of rain on roughly 12 days, which makes September a wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 25 min on an average September day.

The nearest other city in this atlas is Kitakyushu (18 km away). In September its highs average 26.2°C, about as warm as Yukuhashi, with 162 mm of rain.

Among the 303 cities listed in Japan, Yukuhashi ranks joint 83rd of 303 for the warmest September highs and 41st of 303 for the driest September (rainfall, lowest first). The mean September high of those 303 cities is 25.7°C; Yukuhashi is 1.1°C warmer than that mean.

From September to October, average highs fall by 5.0°C to 21.7°C, and monthly rainfall falls from 157 mm to 100 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. 05101520253035 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 3000

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

Every month, side by side

Yukuhashi climate table

1991–2020
Monthly climate averages for Yukuhashi, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 8.5°C2.5°C2.5°C679.910.210 h
February 9.7°C2.8°C2.8°C789.811.011 h
March 13.2°C5.3°C5.3°C12411.412.012 h
April 18.3°C9.8°C9.8°C13811.013.013 h
May 22.8°C14.8°C14.8°C15510.513.914 h
June 25.7°C19.2°C19.2°C27814.614.414 h
July 29.4°C23.4°C23.4°C23815.114.214 h
August 30.5°C24.3°C24.3°C13212.313.413 h
September, selected 26.7°C20.8°C20.8°C15711.912.412 h
October 21.7°C15.4°C15.4°C1007.811.411 h
November 16.3°C9.8°C9.8°C828.510.410 h
December 10.9°C4.7°C4.7°C6810.110.010 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 Yukuhashi

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 Yukuhashi) is explained once on the Yukuhashi year overview and on the Sources, method and limits page.