September weather forecastChiul, Guatemala

September

Weather in September

September, the first month of the autumn in Chiul, is still a refreshing month, with temperature in the range of an average high of 16.7°C (62.1°F) and an average low of 9.8°C (49.6°F).

Temperature

September is the coldest month of the year, registering average temperatures as high as 16.7°C (62.1°F) and as low as 9.8°C (49.6°F).

Humidity

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

Rainfall

In Chiul, in September, it is raining for 29.9 days, with typically 471mm (18.54") of accumulated precipitation. Throughout the year, there are 295.3 rainfall days, and 2656mm (104.57") of precipitation is accumulated.

Daylight

In Chiul, the average length of the day in September is 12h and 13min.
On the first day of September, sunrise is at 05:50 and sunset at 18:14. On the last day of the month, sunrise is at 05:52 and sunset at 17:52 CST.

Sunshine

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

UV index

The months with the lowest UV index in Chiul are January, June, August, September and November, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

Updated: Aug 7, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

September, recording an average high temperature of 16.7°C (62.1°F) and a low temperature of 9.8°C (49.6°F), is Chiul's coldest month.

Chiul in September has an average high-temperature of 16.7°C (62.1°F) and an average low-temperature of 9.8°C (49.6°F).

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

In September, the average relative humidity is 93%.

In Chiul, in September, it is raining for 29.9 days, with typically 471mm (18.54") of accumulated precipitation.

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

In September, on the first day of the month, sunrise is at 05:50 and sunset at 18:14. On the last day of the month, sunrise is at 05:52 and sunset at 17:52 CST.

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

In Chiul, the average sunshine duration in September is 5.4h.

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

In September, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a moderate vulnerability from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

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

Aug

September

Oct

Average high temperature

17.9°C

16.7°C

17.1°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

6.5km/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

0.6

0.1

0.4

Average UV index

Average cloud cover

Average visibility

Average temperature in September
Chiul, 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
Chiul, 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
Chiul, 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
Chiul, 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
Chiul, 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
Chiul, 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
Chiul, 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
Chiul, 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
Chiul, 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).