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 shift from August to September is characterized by an average high-temperature of a still moderately hot 25°C (77°F), not significantly different from the 26.6°C (79.9°F) of August. September in Chietla witnesses an average low-temperature hovering around a mild 15.2°C (59.4°F).Humidity
The most humid month in Chietla is September, with an average relative humidity of 81%.Rainfall
In September, in Chietla, the rain falls for 28.1 days. Throughout September, 202mm (7.95") of precipitation is accumulated. Throughout the year, in Chietla, Mexico, there are 196.6 rainfall days, and 1124mm (44.25") of precipitation is accumulated.Daylight
The average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 6:19 am and sunset at 6:48 pm. On the last day of September, in Chietla, sunrise is at 6:24 am and sunset at 6:23 pm CST.
Sunshine
The average sunshine in September in Chietla is 9h.UV index
January, June, August through December, with an average maximum UV index of 5, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the ordinary person.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Exercise caution. Those with pale skin may experience burns in less than half an hour. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Chietla in September?
What is the most humid month in Chietla?
What is the average humidity in September in Chietla?
How much does it rain in Chietla in September?
How many hours of daylight does Chietla have in September?
When are sunrise and sunset in September in Chietla?
How long on average sun shines in September in Chietla?
What are the months with the lowest UV index in Chietla?
How high is the UV index in September in Chietla?
Average temperature in September
Chietla, Mexico
- Average high temperature in September: 25°C
The warmest month (with the highest average high temperature) is April (30.8°C).
The month with the lowest average high temperature is January (24.7°C).
- Average low temperature in September: 15.2°C
The month with the highest average low temperature is May (19.1°C).
The coldest month (with the lowest average low temperature) is January (12.3°C).
Average pressure in September
Chietla, Mexico
- Average pressure in September: 1015.4mbar
The month with the highest atmospheric pressure is January (1017.9mbar).
The month with the lowest atmospheric pressure is May (1014.2mbar).
Average wind speed in September
Chietla, Mexico
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is March (7.8km/h).
The calmest month (with the lowest average wind speed) is September (5.2km/h).
Average humidity in September
Chietla, Mexico
- Average humidity in September: 81%
The month with the highest relative humidity is September (81%).
The month with the lowest relative humidity is April (40%).
Average rainfall in September
Chietla, Mexico
- Average rainfall in September: 202mm
The wettest month (with the highest rainfall) is June (213mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
Chietla, Mexico
- Average rainfall days in September: 28.1 days
The month with the highest number of rainy days is August (29.4 days).
The month with the least rainy days is December (2.4 days).
Average daylight in September /
Average sunshine in September
Chietla, Mexico
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 12min).
The month with the shortest days is December (Average daylight: 11h and 0min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is May (Average sunshine: 10h and 42min).
The month with the least sunshine is November (Average sunshine: 7h and 42min).
Average sunshine days in September
Chietla, Mexico
- Average sunshine days in September: 0.7 days
The month with the most sunshine days is December (26.8 days).
The month with the least sunshine days is August (0.1 days).
Average UV index in September
Chietla, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May and July (UV index 6).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 5).
Average cloud cover in September
Chietla, Mexico
- Average cloud cover in September: 37
The month with the most cloud cover is September (Cloud cover 37).
The month with the least cloud cover is December (Cloud cover 9).
Average visibility in September
Chietla, Mexico
- Average visibility in September: 9km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
