September weather forecastSulaco, Honduras

September

Weather in September

The first month of the autumn, September, is still a warm month in Sulaco, Honduras, with an average temperature fluctuating between 18.1°C (64.6°F) and 26.9°C (80.4°F).

Temperature

The onset of September marks an average high-temperature of a still moderately hot 26.9°C (80.4°F), hardly differing from August's 27.1°C (80.8°F). An average temperature of 18.1°C (64.6°F) is recorded during the nights in September.

Humidity

In September, the average relative humidity is 88%.

Rainfall

September is the month with the most rainfall. Rain falls for 29.4 days and accumulates 263mm (10.35") 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 05:36 and sunset at 18:00. On the last day of September, sunrise is at 05:38 and sunset at 17:38 CST.

Sunshine

In Sulaco, the average sunshine in September is 7.1h.

UV index

The months with the lowest UV index are January, February, August through December, with an average maximum UV index of 5. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The UV index of 5 in September translates into these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Employ a wide-brim hat for potent defense against up to 50% of UV rays.

Updated: Jul 16, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September temperatures vary between a high-temperature of 26.9°C (80.4°F) and a low-temperature of 18.1°C (64.6°F). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 31°C (87.8°F).

In Sulaco, the average relative humidity in September is 88%.

The month with the most rainfall is September, when the rain falls for 29.4 days and typically aggregates up to 263mm (10.35") of precipitation.

In September, the rain falls for 29.4 days. Throughout September, 263mm (10.35") of precipitation is accumulated.

The average day length in September is 12h and 13min.

On the first day of September, sunrise is at 05:36 and sunset at 18:00. On the last day of the month, sunrise is at 05:38 and sunset at 17:38 CST.

The average sunshine duration in September is 7.1h.

The months with the lowest UV index are January, February, August through December, with an average maximum UV index of 5.

The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium hazard to health from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

27.1°C

26.9°C

25°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

5.4km/h

5.1km/h

5.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average daylight

Average sunshine

Average sunshine days

0.7

0.2

0.5

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Sulaco, Honduras

Average high temperature in September: 26.9°C

The warmest month (with the highest average high temperature) is April (29.3°C).
The month with the lowest average high temperature is January (23°C).

Average low temperature in September: 18.1°C

The month with the highest average low temperature is May (19°C).
The coldest month (with the lowest average low temperature) is January (14.7°C).

Average pressure in September
Sulaco, Honduras

Average pressure in September: 1012.1mbar

The month with the highest atmospheric pressure is January (1016.2mbar).
The month with the lowest atmospheric pressure is September (1012.1mbar).

Average wind speed in September
Sulaco, Honduras

Average wind speed in September: 4.6km/h

The windiest month (with the highest average wind speed) is March (6.2km/h).
The calmest month (with the lowest average wind speed) is September (4.6km/h).

Average humidity in September
Sulaco, Honduras

Average humidity in September: 88%

The months with the highest relative humidity are October and November (90%).
The month with the lowest relative humidity is April (74%).

Average rainfall in September
Sulaco, Honduras

Average rainfall in September: 263mm

The wettest month (with the highest rainfall) is September (263mm).
The driest month (with the least rainfall) is February (48mm).

Average rainfall days in September
Sulaco, Honduras

Average rainfall days in September: 29.4 days

The month with the highest number of rainy days is August (30.1 days).
The month with the least rainy days is February (18.8 days).

Average daylight in September /
Average sunshine in September
Sulaco, 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: 7h and 6min

The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 5h and 6min).

Average sunshine days in September
Sulaco, Honduras

Average sunshine days in September: 0.2 days

The month with the most sunshine days is March (7.5 days).
The month with the least sunshine days is September (0.2 days).

Average UV index in September
Sulaco, Honduras

Average UV index in September: 5

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