September weather forecast
Barillas, Guatemala

September

Weather in September

The first month of the autumn, September, is still a refreshing month in Barillas, Guatemala, with an average temperature fluctuating between 9.8°C (49.6°F) and 16.7°C (62.1°F).

Temperature

September, noted for its average high-temperature of 16.7°C (62.1°F) and an average low-temperature of 9.8°C (49.6°F), is considered the coldest month.

Humidity

September is the most humid month in Barillas, with an average relative humidity of 93%.

Rainfall

In Barillas, in September, it is raining for 29.9 days, with typically 471mm (18.54") of accumulated precipitation. In Barillas, during the entire year, the rain falls for 295.3 days and collects up to 2656mm (104.57") of precipitation.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 05:52 and sunset at 18:17. On the last day of September, sunrise is at 05:55 and sunset at 17:54 CST.

Sunshine

June and September, with an average of 5.4h of sunshine, are months with the least sunshine.

UV index

January, June, August, September and November, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum UV index of 3 in September translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.

Frequently asked questions

What time of the year is the coldest in Barillas?
During the coldest month in Barillas, September, temperatures average a high of 16.7°C (62.1°F) and a low of 9.8°C (49.6°F).
What are September temperatures?
The high-temperature in Barillas during September is 16.7°C (62.1°F) and the low-temperature is 9.8°C (49.6°F).
What is the most humid month?
With an average relative humidity of 93%, September is the most humid month.
What is the average humidity in September?
In September, the average relative humidity in Barillas is 93%.
How much does it rain in September?
In September, in Barillas, the rain falls for 29.9 days. Throughout September, 471mm (18.54") of precipitation is accumulated.
What is the average length of the day in September?
The average day length in September is 12h and 13min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:52 and sunset at 18:17. On the last day of the month, sunrise is at 05:55 and sunset at 17:54 CST.
What are the months with the least sunshine?
June and September, with an average of 5.4h of sunshine, are months with the least sunshine.
How many hours of sunshine does Barillas have in September?
In September, the average sunshine duration is 5.4h.
What is the month with the lowest UV index?
The months with the lowest UV index are January, June, August, September and November, with an average maximum UV index of 3.
What is the UV index intensity in September?
In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe 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 - Barillas, Guatemala
Average temperature in September
Barillas, Guatemala
  • Average high temperature in September: 16.7°C

The warmest month (with the highest average high temperature) is April (21°C).
The month with the lowest average high temperature is September (16.7°C).

  • Average low temperature in September: 9.8°C

The month with the highest average low temperature is June (10.4°C).
The coldest month (with the lowest average low temperature) is January (6°C).

Average pressure in September - Barillas, Guatemala
Average pressure in September
Barillas, Guatemala
  • Average pressure in September: 1013.1mbar

The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is May (1013mbar).

Average wind speed in September - Barillas, Guatemala
Average wind speed in September
Barillas, Guatemala
  • Average wind speed in September: 4.6km/h

The windiest month (with the highest average wind speed) is July (6.5km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).

Average humidity in September - Barillas, Guatemala
Average humidity in September
Barillas, Guatemala
  • Average humidity in September: 93%

The month with the highest relative humidity is September (93%).
The months with the lowest relative humidity are March and April (77%).

Average rainfall in September - Barillas, Guatemala
Average rainfall in September
Barillas, Guatemala
  • Average rainfall in September: 471mm

The wettest month (with the highest rainfall) is June (521mm).
The driest month (with the least rainfall) is February (24mm).

Average rainfall days in September - Barillas, Guatemala
Average rainfall days in September
Barillas, Guatemala
  • Average rainfall days in September: 29.9 days

The month with the highest number of rainy days is August (30 days).
The month with the least rainy days is February (16 days).

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

The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).

  • Average sunshine in September: 5h and 2min

The month with the most sunshine is April (Average sunshine: 9h and 48min).
The months with the least sunshine are June and September (Average sunshine: 5h and 24min).

Average sunshine days in September - Barillas, Guatemala
Average sunshine days in September
Barillas, Guatemala
  • Average sunshine days in September: 0.1 days

The month with the most sunshine days is December (9.5 days).
The month with the least sunshine days is September (0.1 days).

Average UV index in September - Barillas, Guatemala
Average UV index in September
Barillas, Guatemala
  • Average UV index in September: 3

The months with the highest UV index are February, March, April, May, July, October and December (UV index 4).
The months with the lowest UV index are January, June, August, September and November (UV index 3).

Average cloud cover in September - Barillas, Guatemala
Average cloud cover in September
Barillas, Guatemala
  • Average cloud cover in September: 75

The months with the most cloud cover are June and September (Cloud cover 75).
The month with the least cloud cover is March (Cloud cover 41).

Average visibility in September - Barillas, Guatemala
Average visibility in September
Barillas, Guatemala
  • Average visibility in September: 5km

The month with the highest visibility is April (8km).
The months with the lowest visibility are September and October (5km).

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