September weather forecastColotenango, Guatemala

September

Weather in September

The first month of the autumn, September, is also an enjoyable month in Colotenango, Guatemala, with an average temperature ranging between max 16.7°C (62.1°F) and min 9.8°C (49.6°F).

Temperature

In Colotenango, the month of September is known for its lowest average temperatures, reaching a high of 16.7°C (62.1°F) and a low of 9.8°C (49.6°F).

Humidity

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

Rainfall

In September, the rain falls for 29.9 days. Throughout September, 471mm (18.54") of precipitation is accumulated. Throughout the year, there are 295.3 rainfall days, and 2656mm (104.57") of precipitation is accumulated.

Daylight

The average length of the day in September is 12h and 13min.
On the first day of the month, sunrise is at 05:54 and sunset at 18:18. On the last day of September, sunrise is at 05:56 and sunset at 17:56 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 value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV radiation for average individuals.
Note: A daily high UV index of 3 in September leads to these guidelines:
Prioritize safety - Suggestions to prevent sun damage are offered. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.

Frequently asked questions

In Colotenango, the lowest temperatures are generally noted in September, averaging a high of 16.7°C (62.1°F) and a low of 9.8°C (49.6°F).

In Colotenango, in September, the average high-temperature is 16.7°C (62.1°F), and the average low-temperature is 9.8°C (49.6°F).

With an average relative humidity of 93%, September is the most humid month.

The average relative humidity in September is 93%.

In September, the rain falls for 29.9 days. Throughout September, 471mm (18.54") of precipitation is accumulated.

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

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.

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

In September, the average sunshine duration is 5.4h.

January, June, August, September and November, with an average maximum UV index of 3, are months with the lowest UV index.

The average daily maximum UV index in September is 3. A UV Index value of 3 to 5 symbolizes a medium health risk 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 sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Colotenango, 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
Colotenango, 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
Colotenango, 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
Colotenango, 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
Colotenango, 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
Colotenango, 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
Colotenango, Guatemala

  • 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 12min).

  • Average sunshine in September: 5h and 24min

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
Colotenango, 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
Colotenango, 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
Colotenango, 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
Colotenango, 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).