September weather forecast
Sibilia, Guatemala

September

Weather in September

September, the first month of the autumn in Sibilia, is still a pleasant month, with an average temperature fluctuating between 21°C (69.8°F) and 13.6°C (56.5°F).

Temperature

The average high-temperature for September is a still pleasant 21°C (69.8°F), closely aligning with the temperature of the preceding month. In Sibilia, the expected average low-temperature for September is a mild 13.6°C (56.5°F).

Humidity

September is the most humid month, with an average relative humidity of 87%.

Rainfall

In Sibilia, in September, it is raining for 28.8 days, with typically 283mm (11.14") of accumulated precipitation. In Sibilia, during the entire year, the rain falls for 263.6 days and collects up to 2061mm (81.14") of precipitation.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 05:54 and sunset at 18:18. On the last day of the month, sunrise is at 05:56 and sunset at 17:56 CST.

Sunshine

The average sunshine in September is 8.7h.

UV index

The months with the highest UV index are January through October and December, with an average maximum UV index of 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index, 5 during September, leads to the following recommendations:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.

Frequently asked questions

What are the temperatures in Sibilia in September?
The average high-temperature and low-temperature during September are 21°C (69.8°F) and 13.6°C (56.5°F) respectively.
What is the most humid month?
The most humid month in Sibilia is September, with an average relative humidity of 87%.
What is the average humidity in September?
The average relative humidity in September is 87%.
How many days does it rain in September?
In Sibilia, in September, it is raining for 28.8 days, with typically 283mm (11.14") of accumulated precipitation.
What is the average length of the day in September in Sibilia?
In Sibilia, the average day length in September is 12h and 13min.
When are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:54 and sunset at 18:18. On the last day of the month, sunrise is at 05:56 and sunset at 17:56 CST.
How long on average sun shines in September?
The average sunshine duration in September in Sibilia is 8.7h.
What is the month with the highest UV index in Sibilia?
January through October and December, with an average maximum UV index of 5, are months with the highest UV index.
How high is the UV index in September?
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate vulnerability from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in September - Sibilia, Guatemala
Average temperature in September
Sibilia, Guatemala
  • Average high temperature in September: 21°C

The warmest month (with the highest average high temperature) is April (23.8°C).
The month with the lowest average high temperature is October (20.7°C).

  • Average low temperature in September: 13.6°C

The month with the highest average low temperature is May (14.3°C).
The coldest month (with the lowest average low temperature) is January (10.2°C).

Average pressure in September - Sibilia, Guatemala
Average pressure in September
Sibilia, Guatemala
  • Average pressure in September: 1012.7mbar

The month with the highest atmospheric pressure is January (1015.3mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).

Average wind speed in September - Sibilia, Guatemala
Average wind speed in September
Sibilia, Guatemala
  • Average wind speed in September: 4.4km/h

The windiest month (with the highest average wind speed) is January (6.1km/h).
The calmest month (with the lowest average wind speed) is May (4.1km/h).

Average humidity in September - Sibilia, Guatemala
Average humidity in September
Sibilia, Guatemala
  • Average humidity in September: 87%

The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is March (69%).

Average rainfall in September - Sibilia, Guatemala
Average rainfall in September
Sibilia, Guatemala
  • Average rainfall in September: 283mm

The wettest month (with the highest rainfall) is May (372mm).
The driest month (with the least rainfall) is January (14mm).

Average rainfall days in September - Sibilia, Guatemala
Average rainfall days in September
Sibilia, Guatemala
  • Average rainfall days in September: 28.8 days

The months with the highest number of rainy days are June and October (29.2 days).
The month with the least rainy days is February (10.8 days).

Average daylight in September / Average sunshine in September - Sibilia, Guatemala
Average daylight in September /
Average sunshine in September
Sibilia, Guatemala
  • Average daylight in September: 12h and 1min

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 4min

The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).

Average sunshine days in September - Sibilia, Guatemala
Average sunshine days in September
Sibilia, Guatemala
  • Average sunshine days in September: 0.6 days

The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is October (0.5 days).

Average UV index in September - Sibilia, Guatemala
Average UV index in September
Sibilia, Guatemala
  • Average UV index in September: 5

The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 5).
The month with the lowest UV index is November (UV index 4).

Average cloud cover in September - Sibilia, Guatemala
Average cloud cover in September
Sibilia, Guatemala
  • Average cloud cover in September: 50

The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 19).

Average visibility in September - Sibilia, Guatemala
Average visibility in September
Sibilia, Guatemala
  • Average visibility in September: 8km

The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are May, June, August, September and October (8km).

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