September weather forecastCuilco, Guatemala
September
Weather in September
The first month of the autumn, September, is still a refreshing month in Cuilco, Guatemala, with an average temperature ranging between min 9.8°C (49.6°F) and max 16.7°C (62.1°F).Temperature
In Cuilco, September is the month with the lowest recorded average temperatures, measuring a high of 16.7°C (62.1°F) and a low of 9.8°C (49.6°F).Humidity
With an average relative humidity of 93%, September is the most humid month in Cuilco.Rainfall
In Cuilco, Guatemala, during September, the rain falls for 29.9 days and regularly aggregates up to 471mm (18.54") of precipitation. Throughout the year, there are 295.3 rainfall days, and 2656mm (104.57") 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 05:55 and sunset at 18:19. On the last day of September, in Cuilco, Guatemala, sunrise is at 05:57 and sunset at 17:57 CST.
Sunshine
June and September, with an average of 5.4h of sunshine, are months with the least sunshine in Cuilco, Guatemala.UV index
The months with the lowest UV index in Cuilco are January, June, August, September and November, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 in September interprets into the following recommendations:
Ensure safety - Sun damage prevention is strongly urged. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Cuilco, 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
Cuilco, 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
Cuilco, 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
Cuilco, 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
Cuilco, 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
Cuilco, 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
Cuilco, 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
Cuilco, 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
Cuilco, 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).
Average cloud cover in September
Cuilco, Guatemala
- Average cloud cover in September: 75
The months with the most cloud cover are June and September (Cloud cover 75).
The month with the least cloud cover is March (Cloud cover 41).
Average visibility in September
Cuilco, Guatemala
- Average visibility in September: 5km
The month with the highest visibility is April (8km).
The months with the lowest visibility are September and October (5km).
