September weather forecast
Cambridge, Jamaica

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Weather in September

September, being the final month of summer in Cambridge, Jamaica, showcases a decrease in temperature, marking the onset of autumn. It is a time when the city is bathed in the golden hues of sunlight for extended hours in the day. Sporadic rainfall contributes to the overall moisture content, enhancing the lushness of this tropical paradise. Despite being the stormiest period in the region, Cambridge remains a go-to destination for sun-seekers. With temperatures hovering from maximum 29.5°C (85.1°F) to minimum 26.7°C (80.1°F), this month presents a mild reprieve from the intense summer heat.

Temperature

In September, Cambridge experiences a barely noticeable shift in meteorological conditions, with average high-temperatures moving from 29.7°C (85.5°F) in August to a still moderately hot 29.5°C (85.1°F). Throughout September, Cambridge's nights experience a slight temperature dip to a still warm 26.7°C (80.1°F).

Heat index

September's heat index is estimated at a fiery hot 35°C (95°F). Incorporate special precautions, risk of heat exhaustion and heat cramps is substantial. Sustained activity could cause heatstroke.
Given the heat index, its values are aligned with shaded sites and gentle winds. When under direct sunshine, the heat index may be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. An individual's perception of weather can be affected by a variety of elements including metabolic differences, being pregnant, and their level of physical exertion. Considering the impact of direct sunlight, it's possible for the heat index to surge by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Youngsters often neglect the necessity for rest and hydration. Thirst is a sign of advancing dehydration - thus the importance of maintaining hydration, specifically during long-lasting physical activities.
The human body normally cools itself by perspiration. Excessive warmth is eliminated from the body by evaporation of sweat. When relative humidity is heightened, it slows the rate of evaporation, thereby decreasing the body's ability to shed heat and creating a sensation of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.

Humidity

In Cambridge, Jamaica, the average relative humidity in September is 76%.

Rainfall

In Cambridge, in September, during 18.4 rainfall days, 88mm (3.46") of precipitation is typically accumulated. In Cambridge, during the entire year, the rain falls for 177.2 days and collects up to 687mm (27.05") of precipitation.

Daylight

In Cambridge, the average length of the day in September is 12h and 14min.
On the first day of September, sunrise is at 05:57 and sunset at 18:25. On the last day of the month, sunrise is at 06:01 and sunset at 18:00 EST.

Sunshine

The average sunshine in September is 10.3h.

UV index

January, March through December, with an average maximum UV index of 7, are months with the highest UV index in Cambridge. A UV Index reading of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Take precautions and utilize sun safety practices. Protection against skin and eye damage is required. Avoid direct Sun exposure and seek shade between 10 a.m. and 4 p.m., when UV radiation is at its peak, but keep in mind that not all shade structures provide complete protection. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
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Frequently asked questions

How hot is it in Cambridge in September?

The high-temperature, in September, in Cambridge, records 29.5°C (85.1°F), while the low-temperature is 26.7°C (80.1°F). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 35°C (95°F).

What is the average humidity in September in Cambridge?

In Cambridge, the average relative humidity in September is 76%.

How many days does it rain in September in Cambridge?

In Cambridge, during September, the rain falls for 18.4 days and regularly aggregates up to 88mm (3.46") of precipitation.

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

The average day length in September is 12h and 14min.

When is the sunrise / sunset in September in Cambridge?

In September, on the first day of the month, sunrise is at 05:57 and sunset at 18:25. On the last day of the month, in Cambridge, sunrise is at 06:01 and sunset at 18:00 EST.

How many hours of sunshine does Cambridge have in September?

In Cambridge, the average sunshine duration in September is 10.3h.

What is the month with the highest UV index in Cambridge?

January, March through December, with an average maximum UV index of 7, are months with the highest UV index in Cambridge, Jamaica.

What is the UV index intensity in September in Cambridge?

In Cambridge, Jamaica, the average daily maximum UV index in September is 7. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.

Average temperature in September
Cambridge, Jamaica

Average temperature in September - Cambridge, Jamaica
  • Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (26.8°C).

  • Average low temperature in September: 26.7°C

The months with the highest average low temperature are July and August (26.8°C).
The coldest month (with the lowest average low temperature) is February (23.8°C).

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Average pressure in September
Cambridge, Jamaica

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

The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is October (1011.4mbar).

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Average wind speed in September
Cambridge, Jamaica

Average wind speed in September - Cambridge, Jamaica
  • Average wind speed in September: 13km/h

The windiest month (with the highest average wind speed) is December (20km/h).
The calmest month (with the lowest average wind speed) is September (13km/h).

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Average humidity in September
Cambridge, Jamaica

Average humidity in September - Cambridge, Jamaica
  • Average humidity in September: 76%

The month with the highest relative humidity is June (78%).
The month with the lowest relative humidity is March (75%).

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Average rainfall in September
Cambridge, Jamaica

Average rainfall in September - Cambridge, Jamaica
  • Average rainfall in September: 88mm

The wettest month (with the highest rainfall) is May (90mm).
The driest month (with the least rainfall) is February (19mm).

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Average rainfall days in September
Cambridge, Jamaica

Average rainfall days in September - Cambridge, Jamaica
  • Average rainfall days in September: 18.4 days

The month with the highest number of rainy days is September (18.4 days).
The month with the least rainy days is February (10.6 days).

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

Average daylight in September / Average sunshine in September - Cambridge, 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: 10h and 2min

The months with the most sunshine are July and August (Average sunshine: 11h and 30min).
The months with the least sunshine are November and December (Average sunshine: 6h and 36min).

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Average sunshine days in September
Cambridge, Jamaica

Average sunshine days in September - Cambridge, Jamaica
  • Average sunshine days in September: 9.8 days

The month with the most sunshine days is December (18 days).
The month with the least sunshine days is September (9.8 days).

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Average UV index in September
Cambridge, Jamaica

Average UV index in September - Cambridge, Jamaica
  • Average UV index in September: 7

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

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Average cloud cover in September
Cambridge, Jamaica

Average cloud cover in September - Cambridge, Jamaica
  • Average cloud cover in September: 22

The months with the most cloud cover are January, May and November (Cloud cover 28).
The month with the least cloud cover is July (Cloud cover 21).

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Average visibility in September
Cambridge, Jamaica

Average visibility in September - Cambridge, Jamaica
  • Average visibility in September: 10km

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

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Cambridge, Jamaica

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