September weather forecastRío Amarillo, Honduras

September

Weather in September

The first month of the autumn, September, is still a warm month in Río Amarillo, Honduras, with an average temperature ranging between max 29.5°C (85.1°F) and min 18.8°C (65.8°F).

Temperature

The average high-temperature is a still warm 29.5°C (85.1°F) in September, hardly different from the 29.7°C (85.5°F) recorded in August. Río Amarillo reports a consistent average low-temperature of 18.8°C (65.8°F) throughout September nights.

Heat index

September's mean heat index is computed to be a fiery hot 37°C (98.6°F). Adopt extra preventive measures, the occurrence of heat cramps and heat exhaustion is likely. Heatstroke may follow extended activity.
Heat index details are generally centered around shaded locations and a mild breeze. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. This effect tends to be personal, with the weather perception differing among individuals due to variations in body mass, height, and exertion. With the sun shining directly, it's crucial to understand that it can increase the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Perspiring is how the human body naturally cools down, as sweat's evaporation takes away excess heat. In circumstances of high air temperature and humidity (high heat index), the body's perspiration is restricted, heightening the feeling of warmth. Should the body fail to balance its heat gain, the escalating temperature poses health challenges.

Humidity

The average relative humidity in September is 83%.

Rainfall

September is the month with the most rainfall. Rain falls for 23.8 days and accumulates 131mm (5.16") of precipitation.

Daylight

In September, the average length of the day is 12h and 13min.
On the first day of the month, sunrise is at 05:44 and sunset at 18:08. On the last day of September, sunrise is at 05:46 and sunset at 17:46 CST.

Sunshine

The average sunshine in September is 8.1h.

UV index

The average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health vulnerability from exposure to the Sun's UV rays for the average person.
Note: The UV index of 6 during September translates into the following guidance:
Resist extreme sun exposure. Guarding against solar damage is essential. 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. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Updated: Jul 29, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature and low-temperature during September are 29.5°C (85.1°F) and 18.8°C (65.8°F) respectively. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which combines relative humidity and air temperature, in September is computed to be 37°C (98.6°F).

In September, the average relative humidity is 83%.

September is the month with the most rainfall. Rain falls for 23.8 days and accumulates 131mm (5.16") of precipitation.

In September, the rain falls for 23.8 days. Throughout September, 131mm (5.16") of precipitation is accumulated.

In September, the average day length in Río Amarillo is 12h and 13min.

In September, on the first day of the month, sunrise is at 05:44 and sunset at 18:08. On the last day of the month, sunrise is at 05:46 and sunset at 17:46 CST.

The average sunshine duration in September is 8.1h.

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health threat from unsafe exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A September O N D

Aug

September

Oct

Average high temperature

29.7°C

29.5°C

28°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.1km/h

5.6km/h

6.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

7.1

3.9

7.9

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Río Amarillo, Honduras

Average high temperature in September: 29.5°C

The warmest month (with the highest average high temperature) is April (32.3°C).
The month with the lowest average high temperature is January (25.1°C).

Average low temperature in September: 18.8°C

The month with the highest average low temperature is May (20.2°C).
The coldest month (with the lowest average low temperature) is January (15.7°C).

Average pressure in September
Río Amarillo, Honduras

Average pressure in September: 1012.5mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).

Average wind speed in September
Río Amarillo, Honduras

Average wind speed in September: 5km/h

The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5km/h).

Average humidity in September
Río Amarillo, Honduras

Average humidity in September: 83%

The months with the highest relative humidity are October and November (84%).
The month with the lowest relative humidity is April (67%).

Average rainfall in September
Río Amarillo, Honduras

Average rainfall in September: 131mm

The wettest month (with the highest rainfall) is September (131mm).
The driest month (with the least rainfall) is March (8mm).

Average rainfall days in September
Río Amarillo, Honduras

Average rainfall days in September: 23.8 days

The months with the highest number of rainy days are June and September (23.8 days).
The month with the least rainy days is December (9.3 days).

Average daylight in September /
Average sunshine in September
Río Amarillo, Honduras

Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 18min).

Average sunshine in September: 8h and 6min

The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).