September weather forecastCahabon, Guatemala
September
Weather in September
September weather characteristics in Cahabon demonstrate a progression towards lesser precipitation and shorter daylight hours. In spite of rainfall registering at 345mm (13.58"), it does witness a slight fall as compared to the preceding month. The subtle decrease in rainfall complements the shortening daylight hours, signaling the advent of autumn. With a UV index maintaining at 5 and humidity around 90%, the city sustains its moist aura. As a result, September presents an interesting weather variation offering residents a subtle respite from the incessant showers of August.Temperature
September's onset sees an average high-temperature of a still warm 25.3°C (77.5°F), exhibiting a slight fluctuation from the previous month. In Cahabon, an average nighttime temperature of 16.9°C (62.4°F) is expected during September.Humidity
In Cahabon, the average relative humidity in September is 90%.Rainfall
In Cahabon, during September, the rain falls for 29.4 days and regularly aggregates up to 345mm (13.58") of precipitation. Throughout the year, in Cahabon, there are 297.8 rainfall days, and 2530mm (99.61") 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 05:46 and sunset at 18:11. On the last day of September, in Cahabon, sunrise is at 05:49 and sunset at 17:48 CST.
Sunshine
The average sunshine in September in Cahabon is 7.3h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.Note: An average UV index of 5 in September transforms into this advice:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cahabon, Guatemala
- Average high temperature in September: 25.3°C
The warmest month (with the highest average high temperature) is April (27.8°C).
The month with the lowest average high temperature is January (21.2°C).
- Average low temperature in September: 16.9°C
The month with the highest average low temperature is June (17.6°C).
The coldest month (with the lowest average low temperature) is January (12.5°C).
Average pressure in September
Cahabon, Guatemala
- Average pressure in September: 1013mbar
The month with the highest atmospheric pressure is January (1017.3mbar).
The months with the lowest atmospheric pressure are May and September (1013mbar).
Average wind speed in September
Cahabon, Guatemala
- Average wind speed in September: 4.1km/h
The windiest months (with the highest average wind speed) are March and April (5.5km/h).
The calmest month (with the lowest average wind speed) is September (4.1km/h).
Average humidity in September
Cahabon, Guatemala
- Average humidity in September: 90%
The month with the highest relative humidity is November (91%).
The month with the lowest relative humidity is April (76%).
Average rainfall in September
Cahabon, Guatemala
- Average rainfall in September: 345mm
The wettest month (with the highest rainfall) is June (377mm).
The driest month (with the least rainfall) is February (71mm).
Average rainfall days in September
Cahabon, Guatemala
- Average rainfall days in September: 29.4 days
The month with the highest number of rainy days is September (29.4 days).
The month with the least rainy days is March (19.4 days).
Average daylight in September /
Average sunshine in September
Cahabon, 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: 7h and 18min
The month with the most sunshine is April (Average sunshine: 10h and 12min).
The months with the least sunshine are January and November (Average sunshine: 4h and 42min).
Average sunshine days in September
Cahabon, Guatemala
- Average sunshine days in September: 0.6 days
The month with the most sunshine days is March (8.8 days).
The month with the least sunshine days is September (0.6 days).
Average UV index in September
Cahabon, Guatemala
- Average UV index in September: 5
The months with the highest UV index are March and April (UV index 6).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in September
Cahabon, Guatemala
- Average cloud cover in September: 62
The month with the most cloud cover is November (Cloud cover 72).
The month with the least cloud cover is April (Cloud cover 37).
Average visibility in September
Cahabon, Guatemala
- Average visibility in September: 6km
The month with the highest visibility is April (8km).
The months with the lowest visibility are January and November (5km).
