September weather forecastRio Dulce, Guatemala
September
Weather in September
September continues the rainy streak but sees a marginal reduction in rainfall to 374mm (14.72"). The persistent rainfall may restrict outdoor activities, but indoor games and local food tasting sessions could prove delightful. Despite the overcast weather, the UV index remains at high levels, emphasizing the continued need for sun protection. This month has consistent temperatures echoing August's range, which provide a warm tropical setting.Temperature
Rio Dulce, transitioning from August to September, settles on a high-temperature average of a still hot 32°C (89.6°F), equal to the previous month. Rio Dulce in September experiences a low-temperature average of 23°C (73.4°F).Rainfall
In Rio Dulce, during September, the rain falls for 20 days and regularly aggregates up to 374mm (14.72") of precipitation. In Rio Dulce, during the entire year, the rain falls for 171 days and collects up to 2684mm (105.67") of precipitation.Daylight
In September, the average length of the day is 12h and 13min.On the first day of September, sunrise is at 05:43 and sunset at 18:08. On the last day of the month, sunrise is at 05:45 and sunset at 17:45 CST.
Sunshine
In September, the average sunshine in Rio Dulce is 6h.UV index
March through September, with an average maximum UV index of 12, are months with the highest UV index in Rio Dulce. A UV Index value of 11, and more, symbolizes an excessive health risk from exposure to the Sun's UV rays for the average person.Note: The maximum UV index of 12 during September translates into these guidelines:
Employ every crucial safety step. Those with fair skin could experience burns in a matter of minutes. Limit direct sun exposure especially between 10 a.m. and 4 p.m., when UV radiation is at its peak. However, keep in mind that shade structures may not provide full sun protection. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Use liberally and reapply a broad-spectrum SPF 30+ sunscreen every two hours, or straight away after any outdoor workout or swim.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rio Dulce, Guatemala
- Average high temperature in September: 32°C
The warmest months (with the highest average high temperature) are April, May and June (33°C).
The month with the lowest average high temperature is January (27°C).
- Average low temperature in September: 23°C
The months with the highest average low temperature are May, June, July, August and September (23°C).
The coldest months (with the lowest average low temperature) are January, February and December (20°C).
Average rainfall in September
Rio Dulce, Guatemala
- Average rainfall in September: 374mm
The wettest month (with the highest rainfall) is July (439mm).
The driest month (with the least rainfall) is March (77mm).
Average rainfall days in September
Rio Dulce, Guatemala
- Average rainfall days in September: 20 days
The month with the highest number of rainy days is July (23 days).
The month with the least rainy days is April (6 days).
Average daylight in September /
Average sunshine in September
Rio Dulce, 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: 6h
The months with the most sunshine are March, April, May and August (Average sunshine: 7h).
The months with the least sunshine are November and December (Average sunshine: 5h).
Average UV index in September
Rio Dulce, Guatemala
- Average UV index in September: 12
The months with the highest UV index are March, April, May, June, July, August and September (UV index 12).
The month with the lowest UV index is December (UV index 8).





