September weather forecast
Colonia Japonesa, Dominican Republic

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Weather in September

The first month of the autumn, September, is also a moderately hot month in Colonia Japonesa, Dominican Republic, with an average temperature ranging between min 18.6°C (65.5°F) and max 28.6°C (83.5°F).

Temperature

With the start of September, Colonia Japonesa measures an average high-temperature of a still moderately hot 28.6°C (83.5°F), not significantly differing from August's 28.9°C (84°F). In September, Colonia Japonesa records an average nighttime temperature of 18.6°C (65.5°F).

Heat index

In September, the average heat index is appraised at a tropical 34°C (93.2°F). Undertake extra safety actions, heat cramps and heat exhaustion are expected. Heatstroke may result from lengthy activity.
Observations indicate that the heat index values are for shady locations with light wind. The heat index has the potential to rise by 15 Fahrenheit (8 Celsius) degrees with direct sunshine exposure.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. The influence of weather can be personal, changing with an individual's body mass, height, and level of physical exertion. Being under direct sunshine can magnify the heat experience, possibly pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Young individuals are typically more threatened than adults due to their reduced perspiration. Also, the larger skin surface proportionate to their small bodies and the increased heat from their activities magnify their risk.

Humidity

In September, the average relative humidity in Colonia Japonesa, Dominican Republic, is 83%.

Rainfall

In Colonia Japonesa, in September, it is raining for 22 days, with typically 107mm (4.21") of accumulated precipitation. Throughout the year, there are 248.2 rainfall days, and 1018mm (40.08") of precipitation is accumulated.

Daylight

In September, the average length of the day in Colonia Japonesa, Dominican Republic, is 12h and 14min.
On the first day of the month, sunrise is at 06:28 and sunset at 18:57. On the last day of September, in Colonia Japonesa, sunrise is at 06:33 and sunset at 18:31 AST.

Sunshine

The months with the most sunshine in Colonia Japonesa are June, August and September, with an average of 8.4h of sunshine.

UV index

March through October, with an average maximum UV index of 6, are months with the highest UV index in Colonia Japonesa. A UV Index of 6 to 7 symbolizes a high health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 6 in September translates into the following recommendations:
Fend off overexposure. Sun protection is vital. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
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Frequently asked questions

How hot is September in Colonia Japonesa?

In September, the average high-temperature and low-temperature in Colonia Japonesa are 28.6°C (83.5°F) and 18.6°C (65.5°F) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 34°C (93.2°F).

What is the average humidity in September in Colonia Japonesa?

In Colonia Japonesa, the average relative humidity in September is 83%.

How much does it rain in Colonia Japonesa in September?

In Colonia Japonesa, Dominican Republic, in September, during 22 rainfall days, 107mm (4.21") of precipitation is typically accumulated.

What is the average length of the day in September in Colonia Japonesa?

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

When is the sunrise / sunset in September in Colonia Japonesa?

On the first day of September in Colonia Japonesa, sunrise is at 06:28 and sunset at 18:57. On the last day of the month, sunrise is at 06:33 and sunset at 18:31 AST.

What are the months with the most sunshine in Colonia Japonesa?

June, August and September, with an average of 8.4h of sunshine, are months with the most sunshine.

How long on average sun shines in September in Colonia Japonesa?

The average sunshine duration in September in Colonia Japonesa, Dominican Republic, is 8.4h.

When is the highest UV index in Colonia Japonesa?

March through October, with an average maximum UV index of 6, are months with the highest UV index in Colonia Japonesa, Dominican Republic.

What is the UV index intensity in September in Colonia Japonesa?

In September, the average daily maximum UV index is 6. A UV Index value of 6 to 7 symbolizes a high hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Colonia Japonesa, Dominican Republic

Average temperature in September - Colonia Japonesa, Dominican Republic
  • Average high temperature in September: 28.6°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (25.4°C).

  • Average low temperature in September: 18.6°C

The month with the highest average low temperature is October (19°C).
The coldest months (with the lowest average low temperature) are January and February (15.4°C).

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Average pressure in September
Colonia Japonesa, Dominican Republic

Average pressure in September - Colonia Japonesa, Dominican Republic
  • Average pressure in September: 1013.6mbar

The month with the highest atmospheric pressure is January (1017.1mbar).
The month with the lowest atmospheric pressure is October (1013mbar).

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Average wind speed in September
Colonia Japonesa, Dominican Republic

Average wind speed in September - Colonia Japonesa, Dominican Republic
  • Average wind speed in September: 5km/h

The windiest months (with the highest average wind speed) are June and July (6km/h).
The calmest month (with the lowest average wind speed) is November (4.6km/h).

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Average humidity in September
Colonia Japonesa, Dominican Republic

Average humidity in September - Colonia Japonesa, Dominican Republic
  • Average humidity in September: 83%

The month with the highest relative humidity is November (86%).
The months with the lowest relative humidity are March and August (82%).

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Average rainfall in September
Colonia Japonesa, Dominican Republic

Average rainfall in September - Colonia Japonesa, Dominican Republic
  • Average rainfall in September: 107mm

The wettest month (with the highest rainfall) is May (185mm).
The driest month (with the least rainfall) is February (34mm).

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Average rainfall days in September
Colonia Japonesa, Dominican Republic

Average rainfall days in September - Colonia Japonesa, Dominican Republic
  • Average rainfall days in September: 22 days

The month with the highest number of rainy days is May (24.7 days).
The month with the least rainy days is February (15.7 days).

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Average daylight in September /
Average sunshine in September
Colonia Japonesa, Dominican Republic

Average daylight in September / Average sunshine in September - Colonia Japonesa, 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 0min).

  • Average sunshine in September: 8h and 2min

The months with the most sunshine are June, August and September (Average sunshine: 8h and 24min).
The month with the least sunshine is November (Average sunshine: 7h and 30min).

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Average sunshine days in September
Colonia Japonesa, Dominican Republic

Average sunshine days in September - Colonia Japonesa, Dominican Republic
  • Average sunshine days in September: 5.6 days

The month with the most sunshine days is January (9.5 days).
The month with the least sunshine days is April (4.3 days).

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Average UV index in September
Colonia Japonesa, Dominican Republic

Average UV index in September - Colonia Japonesa, Dominican Republic
  • Average UV index in September: 6

The months with the highest UV index are March, April, May, June, July, August, September and October (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 5).

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Average cloud cover in September
Colonia Japonesa, Dominican Republic

Average cloud cover in September - Colonia Japonesa, Dominican Republic
  • Average cloud cover in September: 41

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is September (Cloud cover 41).

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Average visibility in September
Colonia Japonesa, Dominican Republic

Average visibility in September - Colonia Japonesa, Dominican Republic
  • Average visibility in September: 7km

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

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Colonia Japonesa, Dominican Republic

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