PhilippinesAverage weather for La Union in September
It's warm in September in La Union with an average temperature of 29°C. Temperatures this month range from a low of 28°C to a high of 30°C. At night, you can expect temperatures between 20°C and 21°C.
Start of September
The month of September starts in La Union with hot temps, averaging around 29°C during the day and nights around 21°C. There are plenty of days with a good chance of precipitation.
With the temperature difference between day and night, it’s smart to wear layers.
Mid September
By mid-September, daytime temps stay steady at around 29°C, with nights around 21°C. There’s a high chance of precipitation during this time.
Since it cools down at night, it’s a good idea to wear layers.
End of September
By the end of September, the average daytime temperature in La Union is around 30°C, while nighttime temps are about 21°C. There’s a significant chance of many days with precipitation.
In September, there is an average of 464 mm of precipitation, spread over 25 days. The wind speed is around 3 Bft, mostly coming from the Southwest.
La Union in September |
New York | ||
|---|---|---|---|
 Average temperature |
29°C | 27°C | |
 Max. temperature |
30°C | 31°C | |
| Min. temperature |
28°C | -5°C | |
 Total precipitation |
464 mm | 57 mm | |
| Rainy days |
25 days | 9 days | |
August
UV index
The UV index is a maximum of 9 this month. That's a very high value on the intensity scale of 1 to 11. Unprotected skin can burn within 10-15 minutes.
Is September a good time to visit La Union?
Looking for sun? September isn’t a good month to be in La Union. The temperature is nice, but there’s too much chance of rain.
The typhoon season in La Union runs from June to November.
Temperature records
With 33°C in 2014, La Union reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 22°C in 2022. The extreme nighttime temperatures ranged from a lowest recorded value of 17°C to a highest value of 23°C.
Check out the climate of La Union for all months and discover the best travel time
Daily Temperature in September in La Union
This chart shows the average daily high and low temperatures in September for La Union, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in September in La Union
The chart below shows the average daily precipitation in September for La Union, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for September, you can expect about 25 days of precipitation in La Union.
Daily UV index in September in La Union
This chart shows the average daily UV index in September in La Union, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in September in La Union over the years
This chart shows the average temperature in September in La Union, measured in degrees Celsius, over the past few years.
Total precipitation in September in La Union over the years
This chart shows the average precipitation in September in La Union, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
Daily weather in September for La Union
Click on any day in September to get detailed info about the usual weather on that day in La Union. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in September in La Union
Have you been to La Union in September?
Share your weather experience in September in La Union.
Average weather in La Union by month
Click on a month below to see detailed weather info for La Union. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
