Climate averages 1991–2020

Quetzaltenango weather
in September.

A mild, very wet month: the 9th warmest and the 11th driest of the year.

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

Average high 19.1°C Daytime mean, September
Average low 13.8°C Night-time mean, September
Rainfall 479 mm 30 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Quetzaltenango · average highYear overview

September is a mild month in Quetzaltenango: daytime highs average 19.1°C and nights cool to about 13.8°C. By daytime temperature it is the 9th warmest of the 12 months.

Expect about 479 mm of rain on roughly 30 days, which makes September a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 14 min on an average September day.

The nearest other city in this atlas is Totonicapán (19 km away). In September its highs average 19.1°C, about as warm as Quetzaltenango, with 264 mm of rain.

Among the 23 cities listed in Guatemala, Quetzaltenango ranks joint 22nd of 23 for the warmest September highs and 21st of 23 for the driest September (rainfall, lowest first). The mean September high of those 23 cities is 24.7°C; Quetzaltenango is 5.6°C cooler than that mean.

From September to October, average highs fall by 0.3°C to 18.8°C, and monthly rainfall falls from 479 mm to 362 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. 510152025 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 6000

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

Every month, side by side

Quetzaltenango climate table

1991–2020
Monthly climate averages for Quetzaltenango, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 19.2°C11.6°C11.6°C309.611.411 h
February 20.2°C11.9°C11.9°C3910.411.612 h
March 20.4°C12.5°C12.5°C10920.512.012 h
April 20.3°C13.1°C13.1°C24726.912.512 h
May 19.9°C13.8°C13.8°C55030.412.813 h
June 19.3°C14.0°C14.0°C45229.413.013 h
July 19.4°C13.7°C13.7°C29728.712.913 h
August 19.5°C13.7°C13.7°C36330.112.613 h
September, selected 19.1°C13.8°C13.8°C47929.812.212 h
October 18.8°C13.6°C13.6°C36229.711.812 h
November 18.7°C12.7°C12.7°C11721.211.511 h
December 18.9°C12.0°C12.0°C4211.711.311 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 Quetzaltenango

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