September weather forecastPasaco, Guatemala
September
Weather in September
The first month of the autumn, September, is still a warm month in Pasaco, Guatemala, with an average temperature fluctuating between 20°C (68°F) and 28.8°C (83.8°F).Temperature
Pasaco, Guatemala, ushers in September with an average high-temperature of a still warm 28.8°C (83.8°F), showing a close resemblance to the previous month. An average nighttime temperature of 20°C (68°F) is recorded during September.Heat index
In September, the heat index is estimated at a fiery hot 35°C (95°F). Incorporate extra safety measures to avoid heat exhaustion and heat cramps. Continuous activity could provoke heatstroke.From a standpoint of the heat index, values pertain to shaded conditions and mild breezes. With exposure to direct sunlight, the heat index may be increased by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', reflects the feeling of heat when considering both air temperature and humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Young ones often underestimate the need for rest and rehydration. Thirst appears late in dehydration - hence, it is important to keep hydrated, particularly during prolonged physical activities.
The body's self-cooling mechanism is rooted in perspiration, where evaporating sweat cools down excessive warmth. When there is an excess of moisture in the atmosphere, the efficiency of the evaporation process is lessened, leading to less efficient body cooling and a sensation of overheating. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.
Humidity
The months with the highest humidity are September and October, with an average relative humidity of 84%.Rainfall
In Pasaco, during September, the rain falls for 22.6 days and regularly aggregates up to 116mm (4.57") of precipitation. In Pasaco, during the entire year, the rain falls for 169.5 days and collects up to 865mm (34.06") of precipitation.Daylight
In Pasaco, the average length of the day in September is 12h and 12min.On the first day of the month, sunrise is at 05:49 and sunset at 18:12. On the last day of September, in Pasaco, sunrise is at 05:50 and sunset at 17:50 CST.
Sunshine
In Pasaco, the average sunshine in September is 9.4h.UV index
The months with the lowest UV index are January, February, May through December, with an average maximum UV index of 6. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: The UV index of 6 during September translates into the following guidance:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. Remember that UV radiation from the Sun is strongest between 10 a.m. and 4 p.m. Make an effort to limit direct sun exposure during this time. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pasaco, Guatemala
- Average high temperature in September: 28.8°C
The warmest month (with the highest average high temperature) is April (32.6°C).
The month with the lowest average high temperature is October (28.1°C).
- Average low temperature in September: 20°C
The month with the highest average low temperature is May (21.7°C).
The coldest month (with the lowest average low temperature) is January (17.9°C).
Average pressure in September
Pasaco, Guatemala
- Average pressure in September: 1011.7mbar
The month with the highest atmospheric pressure is January (1014.1mbar).
The month with the lowest atmospheric pressure is May (1011.6mbar).
Average wind speed in September
Pasaco, Guatemala
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is January (10.6km/h).
The calmest months (with the lowest average wind speed) are June and September (5.2km/h).
Average humidity in September
Pasaco, Guatemala
- Average humidity in September: 84%
The months with the highest relative humidity are September and October (84%).
The month with the lowest relative humidity is March (63%).
Average rainfall in September
Pasaco, Guatemala
- Average rainfall in September: 116mm
The wettest month (with the highest rainfall) is October (162mm).
The driest month (with the least rainfall) is January (1mm).
Average rainfall days in September
Pasaco, Guatemala
- Average rainfall days in September: 22.6 days
The month with the highest number of rainy days is May (24.2 days).
The month with the least rainy days is January (1.8 days).
Average daylight in September /
Average sunshine in September
Pasaco, Guatemala
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 12h and 54min).
The month with the shortest days is December (Average daylight: 11h and 18min).
- Average sunshine in September: 9h and 24min
The month with the most sunshine is April (Average sunshine: 11h and 30min).
The months with the least sunshine are January and December (Average sunshine: 7h and 42min).
Average sunshine days in September
Pasaco, Guatemala
- Average sunshine days in September: 6.3 days
The month with the most sunshine days is January (28.4 days).
The month with the least sunshine days is June (5.9 days).
Average UV index in September
Pasaco, Guatemala
- Average UV index in September: 6
The months with the highest UV index are March and April (UV index 7).
The months with the lowest UV index are January, February, May, June, July, August, September, October, November and December (UV index 6).
Average cloud cover in September
Pasaco, Guatemala
- Average cloud cover in September: 42
The months with the most cloud cover are June and September (Cloud cover 42).
The months with the least cloud cover are January and December (Cloud cover 12).
Average visibility in September
Pasaco, Guatemala
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April and December (10km).
The months with the lowest visibility are June, August, September and October (8km).
