Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
September
Weather in September
Temperature
The transition into September notes an average high-temperature of a still moderately hot 25.3°C (77.5°F), revealing a mild distinction from the 25.8°C (78.4°F) in August. Chisec's temperature lowers to a mean of 16.9°C (62.4°F) during the nights in September.Humidity
In September, the average relative humidity is 90%.Rainfall
In Chisec, in September, it is raining for 29.4 days, with typically 345mm (13.58") of accumulated precipitation. In Chisec, during the entire year, the rain falls for 297.8 days and collects up to 2530mm (99.61") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 05:48 and sunset at 18:13. On the last day of September, sunrise is at 05:50 and sunset at 17:50 CST.
Sunshine
In Chisec, the average sunshine in September is 7.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The daily high UV index of 5 during September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. To protect against the Sun's most potent rays, avoid direct exposure around midday. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September in Chisec?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Chisec, 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
Chisec, 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
Chisec, 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
Chisec, 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
Chisec, 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
Chisec, 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
Chisec, Guatemala
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 7h and 2min
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
Chisec, 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
Chisec, 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
Chisec, 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
Chisec, 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).
