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The weather in September in Ahuachapán

It's hot in September in Ahuachapán with an average temperature of 31°C. Temperatures this month range from a low of 30°C to a high of 32°C. At night, you can expect temperatures between 19°C and 21°C.

Looking for sun? September isn’t a good month to be in Ahuachapán. The temperature is nice, but there’s too much chance of rain.

Average temperatures and precipitation

This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in September for Ahuachapán, El Salvador. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.

Temperature records

With 35°C in 2023, Ahuachapán reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 24°C in 2015. The extreme nighttime temperatures ranged from a lowest recorded value of 8°C to a highest value of 22°C.

Rainfall amount

In September, there is an average of 441 mm of precipitation, spread over 29 days. The wind speed is around 3 Bft, mostly coming from the East.

Daily weather in September for Ahuachapán

Click on any day in September to get detailed info about the usual weather on that day in Ahuachapán. Check out the historical temperatures and precipitation over the past 10 years on this day.

September weather comparison

  Ahuachapán New York
Average temperature 31°C 27°C
Max. temperature 32°C 31°C
Min. temperature 19°C -5°C
Total precipitation 441 mm 57 mm
Rainy days 29 days 9 days

Start of September

The month of September starts in Ahuachapán with hot temps, averaging around 32°C during the day and nights around 20°C.

Mid September

By mid-September, daytime temps stay steady at around 32°C, with nights around 21°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Ahuachapán is around 31°C, while nighttime temps are about 20°C. There’s a significant chance of many days with precipitation.

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.

The hurricane season in Ahuachapán runs from June to November.

Check out the climate of Ahuachapán for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Ahuachapán, El Salvador. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.

Daily Temperature in September in Ahuachapán

Temperature in September in Ahuachapán over the years

Precipitation charts

These charts show the average amount of precipitation in September in Ahuachapán, El Salvador. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.

Daily Precipitation in September in Ahuachapán

Total precipitation in September in Ahuachapán over the years

Daily UV index in September in Ahuachapán

This chart shows the average daily UV index in September in Ahuachapán, 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.

Weather experiences in September in Ahuachapán

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Average weather in Ahuachapán by month

Click on a month below to see detailed weather info for Ahuachapán. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.