Subic, Philippines — Weather in September 2026

Climate Overview

Subic, Philippines in September has hot conditions, with highs reaching 29.3°C (85°F) and afternoons the warmest part of the day. Rain falls on about 28 days this month, totalling around 432 mm. Sea temperature reaches 29.4°C (85°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 430 mm across the month.

Expect around 6.8h of sunshine at the start of September, increasing to 8.4h by the end.

Wind speeds ease off through the month, from 13 km/h (8 mph) to 10 km/h (6 mph).

The warmest days tend to fall around the 25th, averaging 29.8°C (86°F).

Compared to August, this month is about 0°C cooler with 2 fewer rainy days.

Monthly September Averages

Temperature

29°C / 26°C

Feels Like

36°C / 31°C

Rain

28 days · 432 mm

Sunshine

7.6h / day

Humidity

88% — Very Muggy

Wind

11 km/h

Wind Direction

WSW (248°)

Gusts

32 km/h

Daylight

12.2 h

Cloud Cover

89%

Clear Sky Days

0.1

UV Index

6.8 — High

Sea Temperature

29°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 05:49

Daylight 12.2h

Sunset 18:03

What to Expect

Daytime temperatures around 29°C (85°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	30°C / 24°C	33°C / 27°C	7days (45 mm) Good	9.7h Good	76% Humid	6.8 High	Good	View Details
February best	31°C / 24°C	34°C / 27°C	6days (35 mm) Good	10.3h Excellent	74% Muggy	7.7 Very High	Fair	View Details
March	32°C / 25°C	37°C / 29°C	7days (34 mm) Good	11h Excellent	72% Muggy	8.6 Very High	Fair	View Details
April	33°C / 26°C	39°C / 31°C	12days (55 mm) Wet	11.5h Excellent	73% Muggy	9 Very High	Poor	View Details
May	32°C / 27°C	39°C / 33°C	24days (180 mm) Wet	10.7h Excellent	79% Humid	8.3 Very High	Wet	View Details
June	30°C / 26°C	37°C / 32°C	29days (387 mm) Wet	9.2h Good	86% Very Muggy	7.9 Very High	Wet	View Details
July	29°C / 26°C	36°C / 31°C	30days (593 mm) Wet	7.4h Good	88% Very Muggy	6.8 High	Wet	View Details
August	29°C / 26°C	36°C / 31°C	30days (517 mm) Wet	7.4h Good	89% Very Muggy	7.9 Very High	Wet	View Details
September	29°C / 26°C	36°C / 31°C	28days (432 mm) Wet	7.6h Good	88% Very Muggy	6.8 High	Wet	View Details
October	30°C / 26°C	37°C / 31°C	25days (302 mm) Wet	8.4h Good	85% Humid	7.4 Very High	Wet	View Details
November	31°C / 25°C	36°C / 30°C	15days (125 mm) Wet	9.5h Good	82% Humid	6.8 High	Poor	View Details
December	30°C / 25°C	34°C / 29°C	11days (85 mm) Wet	9h Good	79% Humid	6.4 High	Fair	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 Subic?

September is typically wet for visiting Subic, with average highs of 29°C (85°F) and around 28 rainy days. Subic, Philippines in September has hot conditions, with highs reaching 29.3°C (85°F) and afternoons the warmest part of

Does it rain a lot in Subic in September?

Subic typically sees around 28 rainy days in September with 432 mm (17 in) of total rainfall. Pack a waterproof jacket.

Does it get cold at night in Subic in September?

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

What should I pack for Subic in September?

With highs of 29°C (85°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 Subic?

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

What is the UV index in Subic in September?

The average UV index in Subic during September is 7 (high). Wear sunscreen SPF 30+, a hat, and sunglasses. Limit direct sun exposure between 10 AM and 4 PM.

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

Subic gets approximately 12 hours of daylight per day in September, with around 8 hours of sunshine.

Does it snow in Subic in September?

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

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