Climate averages 1991–2020

Avilés weather
in September.

A mild, moderately wet month: the 3rd warmest and the 3rd driest of the year.

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

Average high 20.2°C Daytime mean, September
Average low 15.3°C Night-time mean, September
Rainfall 80 mm 12 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Avilés · average highYear overview

September is a mild month in Avilés: daytime highs average 20.2°C and nights cool to about 15.3°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 80 mm of rain on roughly 12 days, which makes September a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 33 min on an average September day.

The nearest other city in this atlas is Gijón (21 km away). In September its highs average 21.1°C, 0.9°C warmer than Avilés, with 81 mm of rain.

Among the 93 cities listed in Spain, Avilés ranks 93rd of 93 for the warmest September highs and 80th of 93 for the driest September (rainfall, lowest first). The mean September high of those 93 cities is 25.5°C; Avilés is 5.3°C cooler than that mean.

From September to October, average highs fall by 2.2°C to 17.9°C, and monthly rainfall rises from 80 mm to 120 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. 0510152025 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 1500

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

Every month, side by side

Avilés climate table

1991–2020
Monthly climate averages for Avilés, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 12.1°C7.2°C7.2°C11614.39.39 h
February 12.1°C6.8°C6.8°C9712.710.510 h
March 13.4°C8.0°C8.0°C10413.911.912 h
April 14.2°C9.0°C9.0°C11715.113.413 h
May 16.3°C11.4°C11.4°C11415.214.715 h
June 18.8°C14.1°C14.1°C8112.315.415 h
July 20.8°C16.2°C16.2°C6511.315.115 h
August 21.6°C16.8°C16.8°C7512.314.014 h
September, selected 20.2°C15.3°C15.3°C8012.212.613 h
October 17.9°C12.9°C12.9°C12014.411.111 h
November 14.5°C9.9°C9.9°C14415.79.710 h
December 12.8°C8.0°C8.0°C11813.79.09 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 Avilés

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