News Phnom Penh Phnum Penh Cambodia September 1, 2025

Weather Analysis for Phnom Penh, Cambodia: September 1–3, 2025

As we step into the beginning of September, Phnom Penh is set for a mix of weather conditions over the next few days. Forecasts suggest a combination of warm temperatures, intermittent rain, and cloud cover that could affect daily activities.

Day 1: Monday, September 1, 2025

Phnom Penh will experience warm temperatures with a maximum of 33°C (91°F) and a minimum of 26°C (78°F). The day kicks off with patchy rain nearby during the early hours, shifting into a partly cloudy morning. Expect a light rain shower in the afternoon, with total precipitation expected to reach about 1.1 mm. With a high humidity level of 54% by midday, the heat index will feel like 38°C (100°F), making it essential to stay hydrated and take precautions against heat exhaustion.

The day will feature roughly 10.8 hours of sunshine, so despite the rain, there will be ample opportunity for sunshine. Wind gusts may reach 27 km/h (16.8 mph) from the west-southwest, providing some relief from the sultry conditions. As night falls, a partly cloudy sky will continue with cooler temperatures settling into 28°C (83°F).

Day 2: Tuesday, September 2, 2025

Expect slightly cooler temperatures, with a maximum of only 26°C (79°F). The day will primarily be characterized by patchy light drizzle and overcast conditions, making it feel even cooler than the actual temperature. Morning humidity will be significant, hovering around 84%. Like the previous day, the chance of rain is high, and total expected precipitation could accumulate to 0.5 mm.

Daylight will last for 10.3 hours, but expect cloudy skies to dominate, limiting sunshine. Winds will be milder at around 12 km/h (7.5 mph), with the heat index remaining comfortable at 25-27°C (77-81°F), which makes for a pleasant day for indoor activities or quick outdoor trips when the drizzle subsides.

Day 3: Wednesday, September 3, 2025

The final day of this analysis will see a slight warm-up with maximum temperatures reaching 30°C (87°F). Morning conditions may start off partly cloudy, transitioning to light rain showers throughout the day. Rainfall could accumulate to about 0.2 mm, with similar humidity levels of 93%. The chance of rain is set at a notable 100%, suggesting that residents should be prepared for wet conditions.

The day will enjoy about 11 hours of daylight, with afternoon temperatures likely feeling like 33°C (92°F) due to humidity. Breezy conditions are expected as wind gusts could reach 19 km/h (11.8 mph), making it feel just a bit more refreshing than past days.

Summary

As we transition into early September, Phnom Penh's weather appears to be a blend of hot and humid conditions with frequent rain interruptions. Whether wandering the city's vibrant streets or enjoying a quiet day indoors, it's essential to check the latest forecasts for the next five days at Phnom Penh Weather and for hourly updates at Phnom Penh Hourly Weather.

By staying informed and prepared, residents and visitors can embrace the unique climate that Phnom Penh has to offer in this vibrant time of year.