Clark Weather in September
September in Clark brings very high temperatures, with daytime highs of 31°C (88°F) and nights around 24°C (75°F). It's part of the rainy season, with 318 mm (13 in) of rainfall on average, so an umbrella or poncho is a good idea.
Rainfall in Clark in September
As part of the rainy season, Clark sees around 21 days of rain in September, with an average of 318 mm (13 in). With high rainfall totals spread across the month, individual showers can be very heavy. Waterproof gear is strongly recommended.
Temperature in Clark in September
In September, expect very high temperatures in Clark, with highs of 31°C (88°F) and lows of 24°C (75°F) at night. Mornings and evenings are often more comfortable than the peak afternoon hours. At 24°C (75°F) overnight, it stays warm after dark. Light, breathable clothing and good airflow in your room make a noticeable difference.September in Clark has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Philippines, check out our Clark's climate page.
Clark Temperature in September
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Clark typically stay consistent throughout September, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in September
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in September
Historical weather for Clark in September
Browse day-by-day weather records for Clark spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Clark historical weather extremes in September
Our historical data for Clark spans 1997 to 2025, revealing these weather extremes.
- The warmest day in September was on September 8, 2022, with a maximum of 36°C (97°F).
- The lowest daytime temperature in September was 24°C (75°F), recorded on September 23, 2013.
- Clark registered its coldest September night on September 26, 2015, with temperatures dropping to 21°C (70°F).
- The wettest day in September Clark was on September 11, 2021 with 213 mm (8.4 in) of precipitation.
Best Places in Philippines in September
Find out more about the weather in Philippines and which places have the best travel conditions in this month. See all of Philippines in September →
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What to Wear in Clark in September
Warm but pleasant conditions in Clark in September. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions.What To Do in Clark in September
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Philippines, check out our Clark's climate page.
See the full Clark climate overview or explore weather in Philippines.