Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
Plymouth's temperatures tend to reach their peak averages in September, with a high of 28.8°C (83.8°F) and a low of 27.9°C (82.2°F).Heat index
The heat index value for September is appraised at a hot 33°C (91.4°F). Special measures are necessary to avoid heat cramps and heat exhaustion. Persistent activity could result in heatstroke.One should be cognizant that the heat index values are tailored for shaded spots and mild winds. Uninterrupted exposure to the sun may boost the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The individual's impression of temperature can be shaped by additional aspects such as metabolic variations, physical activity, and clothing. When exposed to direct sunlight, it's possible for the heat index to increase by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. Children regularly disregard the necessity to rest and replenish fluids. Thirst is a late symptom of dehydration - thus, maintaining hydration, particularly during long-lasting physical activities, is essential.
Humidity
With an average relative humidity of 76%, September is the least humid month.Rainfall
In Plymouth, in September, it is raining for 23.3 days, with typically 115mm (4.53") of accumulated precipitation. Throughout the year, there are 282.6 rainfall days, and 1136mm (44.72") of precipitation is accumulated.Daylight
In September, the average length of the day in Plymouth is 12h and 11min.On the first day of the month, sunrise is at 05:53 and sunset at 18:12. On the last day of September, sunrise is at 05:51 and sunset at 17:53 AST.
Sunshine
In Plymouth, the average sunshine in September is 10.3h.UV index
The months with the highest UV index are January through December, with an average maximum UV index of 7. The months with the lowest UV index in Plymouth, Trinidad and Tobago, are January through December, with an average maximum UV index of 7. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: The daily high UV index of 7 during September translates into the following recommendations:
Adhere to precautions and respect sun safety doctrines. Avoiding sunburn is vital. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What time of the year is the hottest in Plymouth?
How hot is September in Plymouth?
What is the least humid month in Plymouth?
What is the average humidity in September in Plymouth?
How many days does it rain in September in Plymouth?
What is the average length of the day in September in Plymouth?
When are sunrise and sunset in September in Plymouth?
How many hours of sunshine does Plymouth have in September?
What are the months with the highest UV index in Plymouth?
What are the months with the lowest UV index in Plymouth?
What is the UV index intensity in September in Plymouth?
Average temperature in September
Plymouth, Trinidad and Tobago
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is September (28.8°C).
The month with the lowest average high temperature is February (26.7°C).
- Average low temperature in September: 27.9°C
The month with the highest average low temperature is September (27.9°C).
The coldest month (with the lowest average low temperature) is February (25.8°C).
Average pressure in September
Plymouth, Trinidad and Tobago
- Average pressure in September: 1011.9mbar
The month with the highest atmospheric pressure is June (1013.9mbar).
The month with the lowest atmospheric pressure is November (1010.5mbar).
Average wind speed in September
Plymouth, Trinidad and Tobago
- Average wind speed in September: 20.3km/h
The windiest month (with the highest average wind speed) is February (28.4km/h).
The calmest month (with the lowest average wind speed) is September (20.3km/h).
Average humidity in September
Plymouth, Trinidad and Tobago
- Average humidity in September: 76%
The months with the highest relative humidity are May, June and July (79%).
The month with the lowest relative humidity is September (76%).
Average rainfall in September
Plymouth, Trinidad and Tobago
- Average rainfall in September: 115mm
The wettest month (with the highest rainfall) is October (150mm).
The driest month (with the least rainfall) is April (37mm).
Average rainfall days in September
Plymouth, Trinidad and Tobago
- Average rainfall days in September: 23.3 days
The month with the highest number of rainy days is July (27.5 days).
The month with the least rainy days is April (18.7 days).
Average daylight in September /
Average sunshine in September
Plymouth, Trinidad and Tobago
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 12h and 48min).
The month with the shortest days is December (Average daylight: 11h and 30min).
- Average sunshine in September: 10h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 6h and 18min).
Average sunshine days in September
Plymouth, Trinidad and Tobago
- Average sunshine days in September: 5 days
The months with the most sunshine days are February and April (5.2 days).
The month with the least sunshine days is June (2 days).
Average UV index in September
Plymouth, Trinidad and Tobago
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 7).
Average cloud cover in September
Plymouth, Trinidad and Tobago
- Average cloud cover in September: 35
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is September (Cloud cover 35).
Average visibility in September
Plymouth, Trinidad and Tobago
- 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).
Plymouth, Trinidad and Tobago
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