Merida, Philippines — Weather in September 2026

Climate Overview

Merida, Philippines in September has hot conditions, with highs reaching 29.1°C (84°F) and afternoons the warmest part of the day. Rain falls on about 25 days this month, totalling around 301 mm. Sea temperature reaches 30.3°C (87°F).

This month falls at the beginning of Autumn.

Temperatures remain fairly steady throughout September, with daily highs around 29°C (84°F).

September sees fairly even rainfall, totalling about 299 mm across the month.

The warmest days tend to fall around the 2th, averaging 29.5°C (85°F).

Monthly September Averages

Temperature

29°C / 26°C

Feels Like

36°C / 31°C

Rain

25 days · 301 mm

Sunshine

9.2h / day

Humidity

85% — Very Muggy

Wind

14 km/h

Wind Direction

SW (216°)

Gusts

33 km/h

Daylight

12.2 h

Cloud Cover

90%

Clear Sky Days

UV Index

7.8 — Very High

Sea Temperature

30°C

Dew Point

25°C — Oppressive

Moon Phase

Waxing Crescent · 11%

Climate Charts

Daily averages based on historical data (2016–2025)

Daily Temperature

HighLow

Daily Precipitation

Rainfall

Daily Sunshine

Sunshine

Daily Wind Speed

Wind Speed

Sun Position

Sunrise 05:33

Daylight 12.2h

Sunset 17:45

What to Expect

Daytime temperatures around 29°C (84°F) are ideal for full-day outdoor exploration. Keep afternoons flexible as tropical showers are common — they typically clear within an hour.

Rain most often builds later in the day, so mornings are typically the driest window and afternoon showers are more likely.

Recent yearly records for September have stayed close to the long-run average.

Compare Months

Month	Temp	Feels Like	Rain	Sun	Humidity	UV	Status	Details
January best	28°C / 25°C	33°C / 29°C	18days (198 mm) Wet	9h Good	83% Humid	6.8 High	Wet	View Details
February best	29°C / 24°C	34°C / 28°C	14days (105 mm) Wet	9.8h Good	81% Humid	7.3 Very High	Fair	View Details
March	30°C / 25°C	36°C / 29°C	13days (91 mm) Wet	10.6h Excellent	80% Humid	8.5 Very High	Poor	View Details
April	30°C / 26°C	37°C / 31°C	11days (104 mm) Wet	10.9h Excellent	79% Humid	9 Very High	Poor	View Details
May	30°C / 26°C	38°C / 32°C	19days (155 mm) Wet	10.6h Excellent	82% Humid	8.3 Very High	Wet	View Details
June	30°C / 26°C	36°C / 31°C	27days (293 mm) Wet	9.5h Good	85% Humid	8 Very High	Wet	View Details
July	29°C / 26°C	35°C / 31°C	27days (345 mm) Wet	9.2h Good	85% Humid	7.5 Very High	Wet	View Details
August	29°C / 26°C	36°C / 31°C	26days (274 mm) Wet	9.3h Good	84% Humid	8.3 Very High	Wet	View Details
September	29°C / 26°C	36°C / 31°C	25days (301 mm) Wet	9.2h Good	85% Humid	7.8 Very High	Wet	View Details
October	29°C / 26°C	36°C / 31°C	28days (334 mm) Wet	9h Good	86% Very Muggy	7.9 Very High	Wet	View Details
November	29°C / 26°C	35°C / 30°C	20days (209 mm) Wet	9.2h Good	85% Humid	6.9 High	Wet	View Details
December	29°C / 25°C	34°C / 30°C	21days (260 mm) Wet	8.8h Good	85% Humid	6.6 High	Wet	View Details

What to Wear

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces.

A waterproof jacket or compact umbrella is recommended for occasional showers.

Packing List

UmbrellaWaterproof jacketWaterproof shoesBreathable clothingSunscreen (SPF 30+)Sun hatSunglasses

Frequently Asked Questions

Expand all

Is September a good time to visit Merida?

September is typically wet for visiting Merida, with average highs of 29°C (84°F) and around 25 rainy days. Merida, Philippines in September has hot conditions, with highs reaching 29.1°C (84°F) and afternoons the warmest part o

Does it rain a lot in Merida in September?

Merida typically sees around 25 rainy days in September with 301 mm (11.9 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Merida in September?

Nights stay pleasantly warm in Merida during September, around 26°C (78°F). Light evening wear is sufficient.

What should I pack for Merida in September?

With highs of 29°C (84°F) and lows of 26°C (78°F) in September, we recommend: Umbrella, Waterproof jacket, Waterproof shoes, Breathable clothing, Sunscreen (SPF 30+). Comfortable walking shoes are essential.

Is September among the best months weather-wise in Merida?

September is not the most favourable month weather-wise in Merida. Consider visiting during months with milder temperatures or less rainfall for a better experience.

What is the UV index in Merida in September?

The average UV index in Merida during September is 8 (very high). Strong sun protection is essential — SPF 50+, protective clothing, and avoid prolonged outdoor exposure during peak hours.

How many hours of daylight are there in Merida in September?

Merida gets approximately 12 hours of daylight per day in September, with around 9 hours of sunshine.

Does it snow in Merida in September?

Snow is uncommon in Merida during September based on 10-year climate averages.

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