September weather forecastOlopa, Guatemala
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Olopa, Guatemala, with an average temperature fluctuating between 18.7°C (65.7°F) and 29.5°C (85.1°F).Temperature
September's weather displays an average high-temperature of a still warm 29.5°C (85.1°F), slightly varied from August's 29.7°C (85.5°F). Nighttime temperatures hover around an average low of 18.7°C (65.7°F) in September.Heat index
For most parts of September, the heat index is evaluated at a sweltering 37°C (98.6°F). Incorporate additional safety actions, heat cramps and heat exhaustion are possible. Long-term activity may induce heatstroke.It is worth noting that heat index values are gauged for conditions in the shade and light breezes. Being under direct sunlight might amplify the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'feels like', determines the feeling of heat when you account for the relative humidity. The influence of weather is personal, differing among individuals based on variations in body mass, stature, and the degree of physical exertion. Under direct sun rays, the felt temperature might be heightened, with the heat index increasing by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly relevant to children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
The natural cooling mechanism in humans involves perspiration, where the evaporation of sweat balances out excessive warmth. When relative humidity is at high levels, the evaporation rate lessens, causing the body to keep more heat than it would in less humid conditions. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.
Humidity
The average relative humidity in September is 83%.Rainfall
In September, the rain falls for 23.2 days. Throughout September, 98mm (3.86") of precipitation is accumulated. Throughout the year, there are 193.9 rainfall days, and 636mm (25.04") of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 13min.On the first day of the month, sunrise is at 05:45 and sunset at 18:09. On the last day of September, in Olopa, sunrise is at 05:46 and sunset at 17:47 CST.
Sunshine
In Olopa, the average sunshine in September is 8.3h.UV index
The average daily maximum UV index in September in Olopa is 6. A UV Index of 6 to 7 symbolizes a high health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The average daily UV index of 6 in September transforms into the following instructions:
Guard oneself from overexposure. Defence against sun injury is vital. The Sun's UV radiation is most potent between the hours of 10 a.m. and 4 p.m. Try to avoid direct sunlight during this time. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Olopa, Guatemala
- Average high temperature in September: 29.5°C
The warmest month (with the highest average high temperature) is April (32.3°C).
The month with the lowest average high temperature is January (25.1°C).
- Average low temperature in September: 18.7°C
The month with the highest average low temperature is May (20.2°C).
The coldest month (with the lowest average low temperature) is January (15.7°C).
Average pressure in September
Olopa, Guatemala
- Average pressure in September: 1012.5mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is September (1012.5mbar).
Average wind speed in September
Olopa, Guatemala
- Average wind speed in September: 5.1km/h
The windiest month (with the highest average wind speed) is January (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.1km/h).
Average humidity in September
Olopa, Guatemala
- Average humidity in September: 83%
The months with the highest relative humidity are October and November (84%).
The month with the lowest relative humidity is April (67%).
Average rainfall in September
Olopa, Guatemala
- Average rainfall in September: 98mm
The wettest month (with the highest rainfall) is June (111mm).
The driest month (with the least rainfall) is March (8mm).
Average rainfall days in September
Olopa, Guatemala
- Average rainfall days in September: 23.2 days
The month with the highest number of rainy days is June (23.8 days).
The month with the least rainy days is December (9.3 days).
Average daylight in September /
Average sunshine in September
Olopa, 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: 8h and 18min
The month with the most sunshine is April (Average sunshine: 11h and 12min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in September
Olopa, Guatemala
- Average sunshine days in September: 4.3 days
The month with the most sunshine days is March (16.3 days).
The month with the least sunshine days is June (3 days).
Average UV index in September
Olopa, Guatemala
- Average UV index in September: 6
The month with the highest UV index is March (UV index 7).
The months with the lowest UV index are January and November (UV index 5).
Average cloud cover in September
Olopa, Guatemala
- Average cloud cover in September: 52
The month with the most cloud cover is November (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 30).
Average visibility in September
Olopa, Guatemala
- Average visibility in September: 7km
The months with the highest visibility are April and May (9km).
The months with the lowest visibility are July, October, November and December (6km).
