Climate averages 1991–2020

Düren weather
in September.

A mild, moderately wet month: the 4th warmest and the joint 4th driest of the year.

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

Average high 18.7°C Daytime mean, September
Average low 11.1°C Night-time mean, September
Rainfall 61 mm 11 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Düren · average highYear overview

September is a mild month in Düren: daytime highs average 18.7°C and nights cool to about 11.1°C. By daytime temperature it is the 4th warmest of the 12 months.

Expect about 61 mm of rain on roughly 11 days, which makes September a moderately wet month (the joint 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 41 min on an average September day.

The nearest other city in this atlas is Aachen (29 km away). In September its highs average 18.4°C, about as warm as Düren, with 66 mm of rain.

Among the 120 cities listed in Germany, Düren ranks joint 67th of 120 for the warmest September highs and joint 42nd of 120 for the driest September (rainfall, lowest first). The mean September high of those 120 cities is 18.8°C; Düren is 0.1°C cooler than that mean.

From September to October, average highs fall by 4.6°C to 14.1°C, and monthly rainfall falls from 61 mm to 59 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. -50510152025 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 1000

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

Every month, side by side

Düren climate table

1991–2020
Monthly climate averages for Düren, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 5.0°C0.4°C0.4°C6212.88.58 h
February 6.2°C0.3°C0.3°C5811.810.010 h
March 9.7°C2.2°C2.2°C6212.811.812 h
April 13.8°C4.9°C4.9°C5011.113.814 h
May 17.5°C8.7°C8.7°C6412.015.515 h
June 20.4°C11.9°C11.9°C7312.616.416 h
July 22.5°C14.2°C14.2°C8012.816.016 h
August 22.4°C14.0°C14.0°C7913.014.515 h
September, selected 18.7°C11.1°C11.1°C6111.012.713 h
October 14.1°C8.0°C8.0°C5911.310.811 h
November 9.0°C4.2°C4.2°C6112.39.09 h
December 5.7°C1.4°C1.4°C7314.28.08 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 Düren

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