September weather forecast
Porus, Jamaica

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Weather in September

September in Porus sees slight shifts in weather patterns. There is a subtle decline in both high and low temperatures from August. Corresponding to this, September experiences the highest yearly humidity level at 85%. Notably, September also witnesses the peak in rainfall for the year, stacking up to a consequential 190mm (7.48"). Despite shorter sunlight hours, the increased showers combined with high humidity define September as the wettest month.

Temperature

September's advent denotes a minor fluctuation in the average high-temperature to a moderately hot 29.3°C (84.7°F) from August's 30°C (86°F). Throughout September, Porus experiences a low-temperature average of 21.8°C (71.2°F).

Heat index

For September, the heat index is evaluated at a fiery hot 37°C (98.6°F). Undertake enhanced precautions, heat exhaustion and heat cramps are possible risks. Continuous activity could trigger heatstroke.
Heat index details are generally centered around shaded locations and a mild breeze. The presence of direct sunlight can raise the heat index values by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is a measure that combines air temperature and relative humidity into a single value that indicates how hot the weather feels. Physical activity, clothing, and metabolic variations are additional factors that impact an individual's perception of temperature. Consider that direct sun exposure can intensify the felt heat, adding potentially 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are extremely vital to babies and toddlers. Kids are usually more vulnerable than adults, given their lesser sweating ability. Along with their larger skin surface relative to their small stature and the excess heat due to their activity, their risk is amplified.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. In the presence of elevated relative humidity, the evaporation rate decreases. This reduction leads to increased body heat retention compared to conditions of dry air. Temperature imbalances caused by excessive heat retention can trigger heat-related maladies.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In Porus, during September, the rain falls for 27.3 days and regularly aggregates up to 190mm (7.48") of precipitation. In Porus, during the entire year, the rain falls for 297.9 days and collects up to 1472mm (57.95") of precipitation.

Daylight

The average length of the day in September is 12h and 14min.
On the first day of September in Porus, sunrise is at 05:55 and sunset at 18:23. On the last day of the month, sunrise is at 05:59 and sunset at 17:58 EST.

Sunshine

In September, the average sunshine in Porus is 9.8h.

UV index

In Porus, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for average individuals.
Note: An average maximum UV index of 6 in September leads to these recommendations:
Sidestep overexposure. Individuals with fair complexions risk burning in fewer than 20 minutes. The time between 10 a.m. and 4 p.m. is when UV radiation is at its peak. Limit exposure to direct sunlight during these hours. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

Is it hot in Porus during September?

In September, the average high-temperature and low-temperature are 29.3°C (84.7°F) and 21.8°C (71.2°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'feels like'), which represents the influence of relative humidity on air temperature, in September is evaluated at 37°C (98.6°F).

What is the average humidity in September in Porus?

The average relative humidity in September in Porus, Jamaica, is 85%.

How many days does it rain in September in Porus?

In Porus, Jamaica, during September, the rain falls for 27.3 days and regularly aggregates up to 190mm (7.48") of precipitation.

What is the average length of the day in September in Porus?

In September, the average day length is 12h and 14min.

When are sunrise and sunset in September in Porus?

In September, on the first day of the month, sunrise is at 05:55 and sunset at 18:23. On the last day of the month, in Porus, Jamaica, sunrise is at 05:59 and sunset at 17:58 EST.

How many hours of sunshine does Porus have in September?

In Porus, the average sunshine duration in September is 9.8h.

What is the UV index reading in September in Porus?

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

Average temperature in September
Porus, Jamaica

Average temperature in September - Porus, Jamaica
  • Average high temperature in September: 29.3°C

The warmest month (with the highest average high temperature) is August (30°C).
The month with the lowest average high temperature is January (27°C).

  • Average low temperature in September: 21.8°C

The month with the highest average low temperature is August (21.9°C).
The coldest month (with the lowest average low temperature) is February (18.6°C).

Average pressure in September
Porus, Jamaica

Average pressure in September - Porus, Jamaica
  • Average pressure in September: 1012.2mbar

The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is October (1011.5mbar).

Average wind speed in September
Porus, Jamaica

Average wind speed in September - Porus, Jamaica
  • Average wind speed in September: 6.6km/h

The windiest month (with the highest average wind speed) is June (9.4km/h).
The calmest month (with the lowest average wind speed) is November (6.2km/h).

Average humidity in September
Porus, Jamaica

Average humidity in September - Porus, Jamaica
  • Average humidity in September: 85%

The month with the highest relative humidity is October (87%).
The months with the lowest relative humidity are March and July (81%).

Average rainfall in September
Porus, Jamaica

Average rainfall in September - Porus, Jamaica
  • Average rainfall in September: 190mm

The wettest month (with the highest rainfall) is October (228mm).
The driest month (with the least rainfall) is January (56mm).

Average rainfall days in September
Porus, Jamaica

Average rainfall days in September - Porus, Jamaica
  • Average rainfall days in September: 27.3 days

The month with the highest number of rainy days is October (28.7 days).
The month with the least rainy days is June (21.1 days).

Average daylight in September /
Average sunshine in September
Porus, Jamaica

Average daylight in September / Average sunshine in September - Porus, Jamaica
  • Average daylight in September: 12h and 1min

The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 6min).

  • Average sunshine in September: 9h and 5min

The months with the most sunshine are July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).

Average sunshine days in September
Porus, Jamaica

Average sunshine days in September - Porus, Jamaica
  • Average sunshine days in September: 1.9 days

The month with the most sunshine days is June (7.6 days).
The months with the least sunshine days are September and November (1.9 days).

Average UV index in September
Porus, Jamaica

Average UV index in September - Porus, Jamaica
  • Average UV index in September: 6

The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is October (UV index 5).

Average cloud cover in September
Porus, Jamaica

Average cloud cover in September - Porus, Jamaica
  • Average cloud cover in September: 40

The months with the most cloud cover are May and November (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 35).

Average visibility in September
Porus, Jamaica

Average visibility in September - Porus, Jamaica
  • Average visibility in September: 7km

The months with the highest visibility are March, June, July and August (8km).
The months with the lowest visibility are November and December (6km).

Porus, Jamaica

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