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
September
Weather in September
Temperature
The arrival of September coincides with an average high-temperature of a still hot 31.1°C (88°F), indicating a minimal shift from August's 31.7°C (89.1°F). San Jose de Las Matas records an average nighttime low of 21°C (69.8°F) in September.Heat index
Throughout September, the heat index is calculated to be a blistering 41°C (105.8°F). Emphasize additional safety, risk of heat cramps and heat exhaustion is high. Continuous activity might result in heatstroke.Bear in mind that the heat index values are determined for shaded areas and light breezes. A rise of up to 15 Fahrenheit (8 Celsius) degrees in the heat index could result from direct sunlight.
Note: The heat index, also known as 'real feel' or 'feels like', is an indicator that blends the effects of temperature and humidity to depict perceived warmth. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. In the direct sunlight, the weather's impact can be amplified, possibly boosting the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Children frequently do not comprehend the need for rest and hydration. Thirst is an advanced stage of dehydration - staying hydrated, especially during extended physical exercises, is essential.
Sweat evaporation plays a crucial role in cooling the human body, a process enabled by perspiration. When air moisture content is high, the cooling process through evaporation is not as efficient, leading to an ineffective body cooling process and a feeling of overheating. Overheating can ensue when the body accumulates more heat than it can release, and dehydration severity may vary.
Humidity
In September, the average relative humidity is 78%.Rainfall
The month with the most rainfall in San Jose de Las Matas is September, when the rain falls for 22.1 days and typically aggregates up to 101mm (3.98") of precipitation.Daylight
The average length of the day in September in San Jose de Las Matas is 12h and 14min.On the first day of September in San Jose de Las Matas, sunrise is at 06:28 and sunset at 18:58. On the last day of the month, sunrise is at 06:34 and sunset at 18:32 AST.
Sunshine
In San Jose de Las Matas, the average sunshine in September is 9.3h.UV index
The months with the lowest UV index in San Jose de Las Matas, Dominican Republic, are January through May, August through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 6 in September translates into this advice:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is September in San Jose de Las Matas?
What is the average humidity in September in San Jose de Las Matas?
What is the rainiest month in San Jose de Las Matas?
How many days does it rain in September in San Jose de Las Matas?
How many hours of daylight does San Jose de Las Matas have in September?
What time are sunrise and sunset in September in San Jose de Las Matas?
How many hours of sunshine does San Jose de Las Matas have in September?
When is the lowest UV index in San Jose de Las Matas?
What is the UV index reading in September in San Jose de Las Matas?
Average temperature in September
San Jose de Las Matas, Dominican Republic
- Average high temperature in September: 31.1°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is December (26.9°C).
- Average low temperature in September: 21°C
The month with the highest average low temperature is July (21.4°C).
The coldest months (with the lowest average low temperature) are January and February (17.5°C).
Average pressure in September
San Jose de Las Matas, Dominican Republic
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is January (1017.3mbar).
The month with the lowest atmospheric pressure is October (1012.9mbar).
Average wind speed in September
San Jose de Las Matas, Dominican Republic
- Average wind speed in September: 6.6km/h
The windiest month (with the highest average wind speed) is July (9.8km/h).
The calmest month (with the lowest average wind speed) is November (5.8km/h).
Average humidity in September
San Jose de Las Matas, Dominican Republic
- Average humidity in September: 78%
The months with the highest relative humidity are November and December (83%).
The month with the lowest relative humidity is July (74%).
Average rainfall in September
San Jose de Las Matas, Dominican Republic
- Average rainfall in September: 101mm
The wettest month (with the highest rainfall) is September (101mm).
The driest months (with the least rainfall) are January and December (28mm).
Average rainfall days in September
San Jose de Las Matas, Dominican Republic
- Average rainfall days in September: 22.1 days
The month with the highest number of rainy days is October (22.5 days).
The month with the least rainy days is January (13.3 days).
Average daylight in September /
Average sunshine in September
San Jose de Las Matas, Dominican Republic
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 9h and 24min).
The months with the least sunshine are March and November (Average sunshine: 8h and 0min).
Average sunshine days in September
San Jose de Las Matas, Dominican Republic
- Average sunshine days in September: 5.5 days
The month with the most sunshine days is June (13.5 days).
The month with the least sunshine days is October (3.5 days).
Average UV index in September
San Jose de Las Matas, Dominican Republic
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, March, April, May, August, September, October, November and December (UV index 6).
Average cloud cover in September
San Jose de Las Matas, Dominican Republic
- Average cloud cover in September: 26
The months with the most cloud cover are March and November (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 23).
Average visibility in September
San Jose de Las Matas, Dominican Republic
- Average visibility in September: 9km
The months with the highest visibility are June, July, August and September (9km).
The months with the lowest visibility are January and November (7km).
