Weather in September
With the beginning of fall, September in Phonsavan witnesses a departure from the extreme weather conditions of the summer months. The temperatures remain consistent with the year's pattern but rainfall shows a significant decline, indicating the departure of the monsoon. However, the presence of substantial daylight hours provides ample scope for outdoor activities. As the city adjusts to the transitioning phase, September provides a serene ambiance to thrill adventure seekers.
On the first day of September, sunrise is at 05:52 and sunset at 18:22. On the last day of the month, sunrise is at 05:57 and sunset at 17:56 +07.
[Resources]Temperature
September brings an average high-temperature of a still warm 26.6°C (79.9°F), showing a slight difference from August's 26.5°C (79.7°F). The average nighttime temperature lowers to an enjoyable 17.8°C (64°F) throughout September.Rainfall
In September, in Phonsavan, the rain falls for 16 days. Throughout September, 158mm (6.22") of precipitation is accumulated. In Phonsavan, Laos, during the entire year, the rain falls for 136 days and collects up to 1444mm (56.85") of precipitation.Daylight
The average length of the day in September in Phonsavan is 12h and 15min.On the first day of September, sunrise is at 05:52 and sunset at 18:22. On the last day of the month, sunrise is at 05:57 and sunset at 17:56 +07.
Frequently asked questions
What are the temperatures in Phonsavan in September?
The high-temperature, in September, in Phonsavan, is 26.6°C (79.9°F), while the low-temperature averages to 17.8°C (64°F).
How many days does it rain in September in Phonsavan?
In September, the rain falls for 16 days. Throughout September, 158mm (6.22") of precipitation is accumulated.
How many hours of daylight does Phonsavan have in September?
In Phonsavan, Laos, the average day length in September is 12h and 15min.
When are sunrise and sunset in September in Phonsavan?
In September, on the first day of the month, sunrise is at 05:52 and sunset at 18:22. On the last day of the month, in Phonsavan, sunrise is at 05:57 and sunset at 17:56 +07.
Average temperature in September
Phonsavan, Laos
- Average high temperature in September: 26.6°C
The warmest month (with the highest average high temperature) is April (28.7°C).
The month with the lowest average high temperature is December (21.7°C).
- Average low temperature in September: 17.8°C
The month with the highest average low temperature is June (20°C).
The coldest month (with the lowest average low temperature) is December (7.8°C).
Average rainfall in September
Phonsavan, Laos
- Average rainfall in September: 158.2mm
The wettest month (with the highest rainfall) is August (300.9mm).
The driest month (with the least rainfall) is December (8.4mm).
Average rainfall days in September
Phonsavan, Laos
- Average rainfall days in September: 16 days
The months with the highest number of rainy days are July and August (22 days).
The months with the least rainy days are January and December (2 days).
Average daylight in September
Phonsavan, Laos
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
Phonsavan, Laos
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