Climate averages 1991–2020

Gijón weather
in September.

A mild, moderately wet month: the 3rd warmest and the 4th driest of the year.

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

Average high 21.1°C Daytime mean, September
Average low 14.7°C Night-time mean, September
Rainfall 81 mm 12 days with ≥1 mm
Daylight 13 h Sunrise to sunset, per day
Every month in Gijón · average highYear overview

September is a mild month in Gijón: daytime highs average 21.1°C and nights cool to about 14.7°C. By daytime temperature it is the 3rd warmest of the 12 months.

Expect about 81 mm of rain on roughly 12 days, which makes September a moderately wet month (the 4th 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 Avilés (21 km away). In September its highs average 20.2°C, 0.9°C cooler than Gijón, with 80 mm of rain.

Among the 93 cities listed in Spain, Gijón ranks joint 90th of 93 for the warmest September highs and 81st of 93 for the driest September (rainfall, lowest first). The mean September high of those 93 cities is 25.5°C; Gijón is 4.5°C cooler than that mean.

From September to October, average highs fall by 2.4°C to 18.7°C, and monthly rainfall rises from 81 mm to 123 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 2000

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

Every month, side by side

Gijón climate table

1991–2020
Monthly climate averages for Gijón, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 12.3°C6.0°C6.0°C12014.69.39 h
February 12.6°C5.7°C5.7°C10213.010.510 h
March 14.4°C7.1°C7.1°C10714.311.912 h
April 15.2°C8.4°C8.4°C11915.513.413 h
May 17.5°C11.0°C11.0°C10915.214.715 h
June 20.0°C14.0°C14.0°C7812.015.415 h
July 21.9°C16.1°C16.1°C6411.415.115 h
August 22.6°C16.6°C16.6°C7212.114.014 h
September, selected 21.1°C14.7°C14.7°C8112.212.613 h
October 18.7°C12.1°C12.1°C12314.311.111 h
November 14.8°C8.9°C8.9°C15116.09.710 h
December 13.0°C6.9°C6.9°C12113.89.09 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 Gijón

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