September weather forecast
San Pedro Masahuat, El Salvador

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Weather in September

September is the rainiest month in San Pedro Masahuat, El Salvador, with downpours totaling a record 156mm (6.14"). The cloud cover also peaks, which may be associated with the dampened weather. The temperatures drop slightly, yet remain pleasant. A decrease in windspeed and sunlight hours is also observed. Nevertheless, the warmth prevails with temperatures standing at lows of 22.8°C (73°F).

Temperature

San Pedro Masahuat's September weather, marked by an average high temperature of 30.1°C (86.2°F) and an average low temperature of 22.8°C (73°F), is the coldest in the year.

Heat index

For September, the heat index is computed to be a very hot 38°C (100.4°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', stands as a testimony to how temperature and humidity combine to impact our sense of warmth. Elements such as metabolic variations, pregnancy, and physical exertion can influence one's weather perception. Being aware that direct sunlight can impact the felt heat might mean an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
One of the main methods the human body employs to cool down is by perspiring, as this process allows sweat to evaporate and remove excess heat. With a high level of moisture in the air, the evaporation process becomes less efficient, preventing the body from cooling down efficiently and resulting in a sensation of overheating. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

The months with the highest humidity in San Pedro Masahuat are September and October, with an average relative humidity of 81%.

Rainfall

In San Pedro Masahuat, in September, it is raining for 27.8 days, with typically 156mm (6.14") of accumulated precipitation. Throughout the year, there are 200.6 rainfall days, and 971mm (38.23") of precipitation is accumulated.

Daylight

In San Pedro Masahuat, El Salvador, the average length of the day in September is 12h and 12min.
On the first day of September, sunrise is at 05:44 and sunset at 18:07. On the last day of the month, sunrise is at 05:45 and sunset at 17:46 CST.

Sunshine

The average sunshine in September is 9.1h.

UV index

With an average maximum UV index of 6, September is the month with the lowest UV index in San Pedro Masahuat. A UV Index estimate of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In September, a daily maximum UV index of 6 leads to the following instructions:
Enforce precautions and stick to sun safety measures. Preservation from skin and eye damage is essential. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage.

Frequently asked questions

What is the coldest month in San Pedro Masahuat?

September, noted for its average high-temperature of 30.1°C (86.2°F) and an average low-temperature of 22.8°C (73°F), is considered the coldest month.

Is it hot in San Pedro Masahuat during September?

The average high-temperature, in September, in San Pedro Masahuat, is 30.1°C (86.2°F), while the average low-temperature is 22.8°C (73°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in September is computed to be 38°C (100.4°F).

What are the most humid months in San Pedro Masahuat?

The months with the highest humidity in San Pedro Masahuat are September and October, with an average relative humidity of 81%.

What is the average humidity in September in San Pedro Masahuat?

In San Pedro Masahuat, El Salvador, the average relative humidity in September is 81%.

How many days does it rain in September in San Pedro Masahuat?

In San Pedro Masahuat, El Salvador, during September, the rain falls for 27.8 days and regularly aggregates up to 156mm (6.14") of precipitation.

How many hours of daylight does San Pedro Masahuat have in September?

In September, the average day length in San Pedro Masahuat is 12h and 12min.

When are sunrise and sunset in September in San Pedro Masahuat?

On the first day of September, sunrise is at 05:44 and sunset at 18:07. On the last day of the month, sunrise is at 05:45 and sunset at 17:46 CST.

How long on average sun shines in September in San Pedro Masahuat?

The average sunshine duration in September in San Pedro Masahuat, El Salvador, is 9.1h.

What is the month with the lowest UV index in San Pedro Masahuat?

September is the month with the lowest UV index in San Pedro Masahuat, El Salvador, with an average maximum UV index of 6.

What is the UV index reading in September in San Pedro Masahuat?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV radiation.

Average temperature in September
San Pedro Masahuat, El Salvador

Average temperature in September - San Pedro Masahuat, El Salvador
  • Average high temperature in September: 30.1°C

The warmest month (with the highest average high temperature) is March (32.5°C).
The month with the lowest average high temperature is September (30.1°C).

  • Average low temperature in September: 22.8°C

The month with the highest average low temperature is May (24.5°C).
The coldest months (with the lowest average low temperature) are January and December (21.6°C).

Average pressure in September
San Pedro Masahuat, El Salvador

Average pressure in September - San Pedro Masahuat, El Salvador
  • Average pressure in September: 1011.2mbar

The month with the highest atmospheric pressure is January (1013mbar).
The month with the lowest atmospheric pressure is October (1010.9mbar).

Average wind speed in September
San Pedro Masahuat, El Salvador

Average wind speed in September - San Pedro Masahuat, El Salvador
  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is January (9.9km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).

Average humidity in September
San Pedro Masahuat, El Salvador

Average humidity in September - San Pedro Masahuat, El Salvador
  • Average humidity in September: 81%

The months with the highest relative humidity are September and October (81%).
The month with the lowest relative humidity is March (62%).

Average rainfall in September
San Pedro Masahuat, El Salvador

Average rainfall in September - San Pedro Masahuat, El Salvador
  • Average rainfall in September: 156mm

The wettest month (with the highest rainfall) is October (185mm).
The driest month (with the least rainfall) is January (2mm).

Average rainfall days in September
San Pedro Masahuat, El Salvador

Average rainfall days in September - San Pedro Masahuat, El Salvador
  • Average rainfall days in September: 27.8 days

The month with the highest number of rainy days is September (27.8 days).
The month with the least rainy days is January (2.3 days).

Average daylight in September /
Average sunshine in September
San Pedro Masahuat, El Salvador

Average daylight in September / Average sunshine in September - San Pedro Masahuat, El Salvador
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).

  • Average sunshine in September: 9h and 1min

The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 7h and 36min).

Average sunshine days in September
San Pedro Masahuat, El Salvador

Average sunshine days in September - San Pedro Masahuat, El Salvador
  • Average sunshine days in September: 1.5 days

The month with the most sunshine days is January (27.7 days).
The month with the least sunshine days is September (1.5 days).

Average UV index in September
San Pedro Masahuat, El Salvador

Average UV index in September - San Pedro Masahuat, El Salvador
  • Average UV index in September: 6

The months with the highest UV index are January, February, March, April, May, June, July, August, October, November and December (UV index 7).
The month with the lowest UV index is September (UV index 6).

Average cloud cover in September
San Pedro Masahuat, El Salvador

Average cloud cover in September - San Pedro Masahuat, El Salvador
  • Average cloud cover in September: 40

The month with the most cloud cover is September (Cloud cover 40).
The month with the least cloud cover is January (Cloud cover 14).

Average visibility in September
San Pedro Masahuat, El Salvador

Average visibility in September - San Pedro Masahuat, El Salvador
  • Average visibility in September: 9km

The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August, September and October (9km).

San Pedro Masahuat, El Salvador

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