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
September's presence records an average high-temperature of a still tropical 30.3°C (86.5°F), closely mirroring August's climate. Santana's nights in September cool down to an average low-temperature of 23.2°C (73.8°F).Heat index
September's mean heat index is evaluated at a very hot 39°C (102.2°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.Records show heat index calculations are tailored for shaded regions and mild winds. The heat index can potentially augment by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. 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 hold great significance to children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
To prevent overheating and help regulate its internal temperature, the human body sweat and rely on the evaporation to cool down. Relative humidity in excess curtails evaporation, therefore reducing heat dissipation from the body, leading to feelings of excess heat. Inadequate heat shedding in the face of rising body temperatures hints at potential dehydration risks.
Humidity
September through December, with an average relative humidity of 81%, are the most humid months.Rainfall
In September, in Santana, Dominican Republic, the rain falls for 15.8 days. Throughout September, 47mm (1.85") of precipitation is accumulated. In Santana, Dominican Republic, during the entire year, the rain falls for 168.6 days and collects up to 443mm (17.44") of precipitation.Daylight
The average length of the day in September in Santana, Dominican Republic, is 12h and 14min.On the first day of September, sunrise is at 06:26 and sunset at 18:54. On the last day of the month, sunrise is at 06:31 and sunset at 18:29 AST.
Sunshine
September and November, with an average of 9.4h of sunshine, are months with the most sunshine in Santana, Dominican Republic.UV index
The months with the highest UV index are May through July, September and October, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Guard against overexposure. Protection from sun-induced harm is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
How hot is it in Santana in September?
What is the most humid month in Santana?
What is the average humidity in September in Santana?
How much does it rain in Santana in September?
What is the average length of the day in September in Santana?
When are sunrise and sunset in September in Santana?
What are the months with the most sunshine in Santana?
How many hours of sunshine does Santana have in September?
When is the highest UV index in Santana?
How high is the UV index in September in Santana?
Average temperature in September
Santana, Dominican Republic
- Average high temperature in September: 30.3°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (27.6°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is February (20.2°C).
Average pressure in September
Santana, Dominican Republic
- Average pressure in September: 1013.4mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is October (1012.6mbar).
Average wind speed in September
Santana, Dominican Republic
- Average wind speed in September: 8.8km/h
The windiest month (with the highest average wind speed) is February (11.2km/h).
The calmest month (with the lowest average wind speed) is October (8.5km/h).
Average humidity in September
Santana, Dominican Republic
- Average humidity in September: 81%
The months with the highest relative humidity are September, October, November and December (81%).
The month with the lowest relative humidity is March (77%).
Average rainfall in September
Santana, Dominican Republic
- Average rainfall in September: 47mm
The wettest month (with the highest rainfall) is August (86mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in September
Santana, Dominican Republic
- Average rainfall days in September: 15.8 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is January (7.3 days).
Average daylight in September /
Average sunshine in September
Santana, Dominican Republic
- 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 2min
The months with the most sunshine are September and November (Average sunshine: 9h and 24min).
The month with the least sunshine is May (Average sunshine: 8h and 42min).
Average sunshine days in September
Santana, Dominican Republic
- Average sunshine days in September: 11.9 days
The month with the most sunshine days is January (22.7 days).
The month with the least sunshine days is July (10.1 days).
Average UV index in September
Santana, Dominican Republic
- Average UV index in September: 7
The months with the highest UV index are May, June, July, September and October (UV index 7).
The months with the lowest UV index are January, February, March, April, August, November and December (UV index 6).
Average cloud cover in September
Santana, Dominican Republic
- Average cloud cover in September: 25
The month with the most cloud cover is May (Cloud cover 35).
The month with the least cloud cover is September (Cloud cover 25).
Average visibility in September
Santana, Dominican Republic
- Average visibility in September: 9km
The months with the highest visibility are February, March, November and December (10km).
The months with the lowest visibility are January, April, May, June, July, August, September and October (9km).
Santana, Dominican Republic
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