September weather forecastEl Manzanillo, Guatemala
September
Weather in September
September, the first month of the autumn in El Manzanillo, is also a moderately hot month, with temperature in the range of an average high of 23.4°C (74.1°F) and an average low of 15°C (59°F).Temperature
El Manzanillo records a slight change with September's average high-temperatures adjusting to a still warm 23.4°C (74.1°F) from August's 24.2°C (75.6°F). The temperature lowers to an average of 15°C (59°F) during September nights.Humidity
The most humid month in El Manzanillo is September, with an average relative humidity of 90%.Rainfall
In El Manzanillo, during September, the rain falls for 28.7 days and regularly aggregates up to 269mm (10.59") of precipitation. In El Manzanillo, Guatemala, during the entire year, the rain falls for 231.3 days and collects up to 1656mm (65.2") of precipitation.Daylight
In El Manzanillo, the average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 05:50 and sunset at 18:14. On the last day of September, sunrise is at 05:52 and sunset at 17:52 CST.
Sunshine
In El Manzanillo, the average sunshine in September is 7.7h.UV index
In El Manzanillo, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the average person.Note: In September, the maximum UV index of 5 suggests this advice:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
El Manzanillo, Guatemala
- Average high temperature in September: 23.4°C
The warmest month (with the highest average high temperature) is April (27.3°C).
The month with the lowest average high temperature is October (22.5°C).
- Average low temperature in September: 15°C
The month with the highest average low temperature is May (16.5°C).
The coldest month (with the lowest average low temperature) is January (11.8°C).
Average pressure in September
El Manzanillo, Guatemala
- Average pressure in September: 1012.6mbar
The month with the highest atmospheric pressure is January (1015.5mbar).
The month with the lowest atmospheric pressure is May (1012.5mbar).
Average wind speed in September
El Manzanillo, Guatemala
- Average wind speed in September: 5.9km/h
The windiest month (with the highest average wind speed) is January (12.8km/h).
The calmest month (with the lowest average wind speed) is September (5.9km/h).
Average humidity in September
El Manzanillo, Guatemala
- Average humidity in September: 90%
The month with the highest relative humidity is September (90%).
The month with the lowest relative humidity is March (69%).
Average rainfall in September
El Manzanillo, Guatemala
- Average rainfall in September: 269mm
The wettest month (with the highest rainfall) is May (285mm).
The driest month (with the least rainfall) is January (7mm).
Average rainfall days in September
El Manzanillo, Guatemala
- Average rainfall days in September: 28.7 days
The month with the highest number of rainy days is September (28.7 days).
The month with the least rainy days is January (6.7 days).
Average daylight in September /
Average sunshine in September
El Manzanillo, 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: 7h and 42min
The month with the most sunshine is April (Average sunshine: 11h and 18min).
The month with the least sunshine is October (Average sunshine: 7h and 24min).
Average sunshine days in September
El Manzanillo, Guatemala
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in September
El Manzanillo, 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 August and October (UV index 4).
Average cloud cover in September
El Manzanillo, Guatemala
- Average cloud cover in September: 59
The months with the most cloud cover are June and September (Cloud cover 59).
The months with the least cloud cover are January, February and March (Cloud cover 26).
Average visibility in September
El Manzanillo, Guatemala
- Average visibility in September: 6km
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
