Climate averages 1991–2020

Catarman weather
in September.

A hot, very wet month: the joint 5th warmest and the 10th driest of the year.

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

Average high 29.6°C Daytime mean, September
Average low 24.9°C Night-time mean, September
Rainfall 233 mm 25 days with ≥1 mm
Daylight 12 h Sunrise to sunset, per day
Every month in Catarman · average highYear overview

September is a hot month in Catarman: daytime highs average 29.6°C and nights cool to about 24.9°C. By daytime temperature it is the joint 5th warmest of the 12 months.

Expect about 233 mm of rain on roughly 25 days, which makes September a very wet month (the 10th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 12 min on an average September day.

The nearest other city in this atlas is Catbalogan (85 km away). In September its highs average 28.9°C, 0.7°C cooler than Catarman, with 241 mm of rain.

Among the 151 cities listed in the Philippines, Catarman ranks joint 38th of 151 for the warmest September highs and 52nd of 151 for the driest September (rainfall, lowest first). The mean September high of those 151 cities is 29.0°C; Catarman is 0.6°C warmer than that mean.

From September to October, average highs fall by 0.3°C to 29.3°C, and monthly rainfall falls from 233 mm to 217 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. 20253035 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

Catarman climate table

1991–2020
Monthly climate averages for Catarman, 1991–2020
MonthAverage highHigh / lowAverage lowRainfall mm/monthRain days ≥1 mm/dayDaylight hours/dayDay­light h/day
January 27.6°C23.7°C23.7°C17721.711.511 h
February 28.1°C23.6°C23.6°C11816.911.712 h
March 29.2°C24.0°C24.0°C11018.312.112 h
April 30.8°C24.8°C24.8°C8916.712.412 h
May 31.2°C25.4°C25.4°C16823.412.713 h
June 30.5°C25.2°C25.2°C22826.412.813 h
July 29.6°C24.9°C24.9°C28427.712.813 h
August 29.7°C25.1°C25.1°C20823.812.513 h
September, selected 29.6°C24.9°C24.9°C23325.212.212 h
October 29.3°C24.6°C24.6°C21727.011.912 h
November 28.9°C24.5°C24.5°C18725.511.612 h
December 28.1°C24.2°C24.2°C25626.411.411 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 Catarman

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