September weather forecastPatulul, Guatemala
September
Weather in September
The first month of the autumn, September, is still a warm month in Patulul, Guatemala, with an average temperature fluctuating between 19.4°C (66.9°F) and 28.5°C (83.3°F).Temperature
Patulul's coldest weather arrives in September, when temperatures average a high of 28.5°C (83.3°F) and a low of 19.4°C (66.9°F).Heat index
The heat index for September is evaluated at a tropical 33°C (91.4°F). Take special precautions - heat exhaustion and heat cramps are expected. Heatstroke may occur with lengthy activity.It is crucial to understand that heat index figures are for shade and gentle wind conditions. Exposure to the direct sun might augment heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. Factors such as metabolic variation, pregnancy, and physical activity play a role in one's impression of weather. By being directly under the sun, it's possible for the felt temperature to increase by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Children often lack awareness of the importance of taking breaks and rehydrating. The feeling of thirst is a late indication of dehydration, so maintaining hydration, especially during long periods of physical activity, is critical.
Humidity
September and October, with an average relative humidity of 79%, are the most humid months in Patulul.Rainfall
In Patulul, during September, the rain falls for 27.5 days and regularly aggregates up to 209mm (8.23") of precipitation. In Patulul, Guatemala, during the entire year, the rain falls for 222.8 days and collects up to 1491mm (58.7") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, sunrise is at 05:52 and sunset at 18:16. On the last day of the month, sunrise is at 05:54 and sunset at 17:54 CST.
Sunshine
In September, the average sunshine in Patulul is 10.4h.UV index
The months with the highest UV index in Patulul are January through December, with an average maximum UV index of 6. January through December, with an average maximum UV index of 6, are months with the lowest UV index in Patulul. A UV Index of 6 to 7 symbolizes a high threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A typical high UV index of 6 in September suggests the following recommendations:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Limit your exposure to the sun's UV radiation, which is strongest between 10 a.m. and 4 p.m., and note that parasols or canopies may not provide full sun protection. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Patulul, Guatemala
- Average high temperature in September: 28.5°C
The warmest month (with the highest average high temperature) is March (31.5°C).
The month with the lowest average high temperature is September (28.5°C).
- Average low temperature in September: 19.4°C
The month with the highest average low temperature is May (20.5°C).
The coldest month (with the lowest average low temperature) is December (17.6°C).
Average pressure in September
Patulul, Guatemala
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is January (1014.5mbar).
The month with the lowest atmospheric pressure is October (1012.2mbar).
Average wind speed in September
Patulul, Guatemala
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is March (6.6km/h).
The calmest month (with the lowest average wind speed) is May (5.1km/h).
Average humidity in September
Patulul, Guatemala
- Average humidity in September: 79%
The months with the highest relative humidity are September and October (79%).
The months with the lowest relative humidity are January, February and March (59%).
Average rainfall in September
Patulul, Guatemala
- Average rainfall in September: 209mm
The wettest month (with the highest rainfall) is May (274mm).
The driest months (with the least rainfall) are January and February (7mm).
Average rainfall days in September
Patulul, Guatemala
- Average rainfall days in September: 27.5 days
The month with the highest number of rainy days is September (27.5 days).
The month with the least rainy days is January (4.8 days).
Average daylight in September /
Average sunshine in September
Patulul, 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 18min).
- Average sunshine in September: 10h and 24min
The months with the most sunshine are April and July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
Patulul, Guatemala
- Average sunshine days in September: 1.5 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is September (1.5 days).
Average UV index in September
Patulul, Guatemala
- Average UV index in September: 6
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
The months with the lowest UV index are January, February, March, April, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Patulul, Guatemala
- Average cloud cover in September: 36
The month with the most cloud cover is June (Cloud cover 38).
The month with the least cloud cover is January (Cloud cover 12).
Average visibility in September
Patulul, Guatemala
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are May, June, July, August, September, October and November (9km).





