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
August's transformation into September witnesses an average high-temperature of a pleasant 22.5°C (72.5°F), noting a minor change from the preceding month. September nights in San Francisco Huehuetlán experience a consistent temperature drop to a moderate 13.6°C (56.5°F).Humidity
September is the most humid month in San Francisco Huehuetlán, with an average relative humidity of 79%.Rainfall
In September, in San Francisco Huehuetlán, the rain falls for 16.5 days. Throughout September, 69mm (2.72") of precipitation is accumulated. Throughout the year, in San Francisco Huehuetlán, there are 137.8 rainfall days, and 464mm (18.27") 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 6:13 am and sunset at 6:41 pm. On the last day of September, in San Francisco Huehuetlán, Mexico, sunrise is at 6:18 am and sunset at 6:16 pm CST.
Sunshine
In September, the average sunshine in San Francisco Huehuetlán is 8.9h.UV index
In September, the average daily maximum UV index in San Francisco Huehuetlán is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In September, the UV index of 5 transforms into the following advice:
Take precautions - Protection against sunburn is recommended. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature in San Francisco Huehuetlán?
What is the most humid month in San Francisco Huehuetlán?
What is the average humidity in September in San Francisco Huehuetlán?
How many days does it rain in September in San Francisco Huehuetlán?
What is the average length of the day in September in San Francisco Huehuetlán?
When are sunrise and sunset in September in San Francisco Huehuetlán?
How long on average sun shines in September in San Francisco Huehuetlán?
How high is the UV index in September in San Francisco Huehuetlán?
Average temperature in September
San Francisco Huehuetlán, Mexico
- Average high temperature in September: 22.5°C
The warmest month (with the highest average high temperature) is April (25.8°C).
The month with the lowest average high temperature is January (19.1°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is May (15.1°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in September
San Francisco Huehuetlán, Mexico
- Average pressure in September: 1015.2mbar
The month with the highest atmospheric pressure is January (1018.9mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).
Average wind speed in September
San Francisco Huehuetlán, Mexico
- Average wind speed in September: 8.6km/h
The windiest month (with the highest average wind speed) is March (10.8km/h).
The calmest month (with the lowest average wind speed) is September (8.6km/h).
Average humidity in September
San Francisco Huehuetlán, Mexico
- Average humidity in September: 79%
The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is April (60%).
Average rainfall in September
San Francisco Huehuetlán, Mexico
- Average rainfall in September: 69mm
The wettest month (with the highest rainfall) is June (122mm).
The driest month (with the least rainfall) is December (3mm).
Average rainfall days in September
San Francisco Huehuetlán, Mexico
- Average rainfall days in September: 16.5 days
The month with the highest number of rainy days is June (20.9 days).
The month with the least rainy days is December (4.3 days).
Average daylight in September /
Average sunshine in September
San Francisco Huehuetlán, 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 6min).
- Average sunshine in September: 8h and 5min
The month with the most sunshine is May (Average sunshine: 11h and 6min).
The month with the least sunshine is November (Average sunshine: 7h and 24min).
Average sunshine days in September
San Francisco Huehuetlán, Mexico
- Average sunshine days in September: 11.7 days
The month with the most sunshine days is December (24.4 days).
The month with the least sunshine days is June (7.9 days).
Average UV index in September
San Francisco Huehuetlán, Mexico
- Average UV index in September: 5
The month with the highest UV index is April (UV index 6).
The months with the lowest UV index are January, October and December (UV index 4).
Average cloud cover in September
San Francisco Huehuetlán, Mexico
- Average cloud cover in September: 41
The month with the most cloud cover is September (Cloud cover 41).
The month with the least cloud cover is April (Cloud cover 18).
Average visibility in September
San Francisco Huehuetlán, Mexico
- Average visibility in September: 9km
The months with the highest visibility are February, March, April, May and December (10km).
The months with the lowest visibility are January, June, July, August, September, October and November (9km).
