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The weather in September in Isla de Méndez

It's hot in September in Isla de Méndez with an average temperature of 32°C. Temperatures this month range from a low of 31°C to a high of 33°C. At night, you can expect temperatures between 22°C and 24°C.

Looking for sun? September isn’t a good month to be in Isla de Méndez. 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 Isla de Méndez, 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 36°C in 2023, Isla de Méndez reached the highest temperature in September over the past 10 years. The lowest daytime temperature in this month was 26°C in 2014. The extreme nighttime temperatures ranged from a lowest recorded value of 2°C to a highest value of 26°C.

Rainfall amount

In September, there is an average of 337 mm of precipitation, spread over 28 days. The wind speed is around 3 Bft, mostly coming from the Southeast.

Daily weather in September for Isla de Méndez

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

September weather comparison

  Isla de Méndez New York
Average temperature 32°C 27°C
Max. temperature 33°C 31°C
Min. temperature 22°C -5°C
Total precipitation 337 mm 57 mm
Rainy days 28 days 9 days

Start of September

The month of September starts in Isla de Méndez with hot temps, averaging around 32°C during the day and nights around 24°C.

Mid September

By mid-September, daytime temps stay steady at around 32°C, with nights around 24°C. There’s a high chance of precipitation during this time.

End of September

By the end of September, the average daytime temperature in Isla de Méndez is around 32°C, while nighttime temps are about 24°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 Isla de Méndez runs from June to November.

Check out the climate of Isla de Méndez for all months and discover the best travel time

Temperature charts

These charts show the average temperatures in September in Isla de Méndez, 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 Isla de Méndez

Temperature in September in Isla de Méndez over the years

Precipitation charts

These charts show the average amount of precipitation in September in Isla de Méndez, 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 Isla de Méndez

Total precipitation in September in Isla de Méndez over the years

Daily UV index in September in Isla de Méndez

This chart shows the average daily UV index in September in Isla de Méndez, 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 Isla de Méndez

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Average weather in Isla de Méndez by month

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