September weather forecast
Chiantla, Guatemala

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Chiantla, Guatemala, with temperature in the range of an average low of 9.8°C (49.6°F) and an average high of 16.7°C (62.1°F).

Temperature

In Chiantla, the month of September registers the lowest temperatures, averaging 16.7°C (62.1°F) at the peak and 9.8°C (49.6°F) at the lowest.

Humidity

The most humid month is September, with an average relative humidity of 93%.

Rainfall

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

Daylight

In Chiantla, the average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 05:53 and sunset at 18:17. On the last day of September, sunrise is at 05:55 and sunset at 17:55 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 of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In September, the maximum UV index of 3 suggests this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. To protect against the Sun's most potent rays, avoid direct exposure around midday. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.

Frequently asked questions

What is the coldest month?
September tends to be the coldest month, with temperatures averaging a daily high of 16.7°C (62.1°F) and a low of 9.8°C (49.6°F).
What is the usual temperature for Chiantla in September?
In Chiantla, 16.7°C (62.1°F) is the average high-temperature and 9.8°C (49.6°F) is the average low-temperature during September.
What is the most humid month?
September is the most humid month, with an average relative humidity of 93%.
What is the average humidity in September?
In Chiantla, the average relative humidity in September is 93%.
How much does it rain in September?
In Chiantla, during September, the rain falls for 29.9 days and regularly aggregates up to 471mm (18.54") of precipitation.
How many hours of daylight does Chiantla have in September?
In September, the average day length is 12h and 13min.
What time are sunrise and sunset in September?
In September, on the first day of the month, sunrise is at 05:53 and sunset at 18:17. On the last day of the month, sunrise is at 05:55 and sunset at 17:55 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 in Chiantla.
How long on average sun shines in September in Chiantla?
In Chiantla, the average sunshine duration in September is 5.4h.
What are the months with the lowest UV index in Chiantla?
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 reading in September?
The average daily maximum UV index in September in Chiantla is 3. A UV Index of 3 to 5 symbolizes a moderate health threat from exposure to the Sun's UV radiation.
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
Chiantla, 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
Chiantla, 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
Chiantla, 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
Chiantla, 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
Chiantla, 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
Chiantla, 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
Chiantla, 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 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
Chiantla, 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
Chiantla, 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
Chiantla, 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
Chiantla, 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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