September weather forecastChimaltenango, Guatemala
September
Weather in September
In September, Chimaltenango, Guatemala, sees the last of the significant rainfall for the year with precipitation levels climbing further to 269mm (10.59"), the highest for the year. The aroma of the city gets enriched as it absorbs the last of the heavy showers before the dry season sets in. The average high temperature remains moderate, providing balance amidst the rainfall and humidity. From the climate standpoint, the dynamic pattern is notable, with the month rounding off the wet season. Despite the rainfall level retreating from the peak, the city's vibrant character remains untouched, attesting to its resilience and adaptability.Temperature
Chimaltenango, Guatemala, marks the start of September with an average high-temperature of a still moderately hot 23.4°C (74.1°F), hinting at a slight fluctuation from August's 24.2°C (75.6°F). Throughout the month of September, Chimaltenango reports a steady low-temperature average of 15°C (59°F).Humidity
The most humid month is September, with an average relative humidity of 90%.Rainfall
In Chimaltenango, in September, during 28.7 rainfall days, 269mm (10.59") of precipitation is typically accumulated. In Chimaltenango, during the entire year, the rain falls for 231.3 days and collects up to 1656mm (65.2") of precipitation.Daylight
In Chimaltenango, the average length of the day in September is 12h and 13min.On the first day of September in Chimaltenango, sunrise is at 05:51 and sunset at 18:14. On the last day of the month, sunrise is at 05:52 and sunset at 17:53 CST.
Sunshine
The average sunshine in September is 7.7h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Undertake precautions - Guarding against sun damage is counselled. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, 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
Chimaltenango, Guatemala
- Average visibility in September: 6km
The month with the highest visibility is March (10km).
The month with the lowest visibility is September (6km).
