September weather forecast
Mai Châu, Vietnam

September presents a slight retreat in the wet season while retaining significant rainfall. Temperatures obtain a similar pattern, ranging from a warm 23°C (73.4°F) to 30°C (86°F). The imminent rainfall decrease indicates the onset of the retreating monsoon phase. The weather becomes marginally cooler and less rainy into October, alluding to the upcoming dry season.

Temperature

The high temperature recorded during September, at a still hot 30°C (86°F), shows minimal deviation from August. In Mai Châu, the average nighttime temperature during September is a warm 23°C (73.4°F).

Rainfall

In September, in Mai Châu, the rain falls for 16 days. Throughout September, 247mm (9.72") of precipitation is accumulated. Throughout the year, there are 158 rainfall days, and 1799mm (70.83") of precipitation is accumulated.

Daylight

The average length of the day in September in Mai Châu is 12h and 16min.
On the first day of the month, sunrise is at 05:43 and sunset at 18:15. On the last day of September, in Mai Châu, sunrise is at 05:50 and sunset at 17:48 +07.

Sunshine

The months with the most sunshine in Mai Châu are May, July and September, with an average of 6h of sunshine.

UV index

March through September, with an average maximum UV index of 12, are months with the highest UV index. A UV Index reading of 11, and higher, represents an extreme threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, the maximum UV index of 12 transforms into these recommendations:
Put into effect every essential safeguard, as unprotected skin and eyes might burn instantly. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. Enhance your sun protection with tightly woven, yet airy clothing. Even when the sky is cloudy, apply generously and frequently reapply a sunscreen with SPF 30 or more, especially post every swim or outdoor exercise.