September weather forecastAltepexi, Mexico
September
Weather in September
The first month of the autumn, September, is also an agreeable month in Altepexi, Mexico, with an average temperature ranging between min 13.6°C (56.5°F) and max 22.5°C (72.5°F).Temperature
The introduction of September notes a subtle temperature variation to a pleasant 22.5°C (72.5°F) from August's 23.5°C (74.3°F). Throughout the month of September, Altepexi witnesses an average temperature of 13.6°C (56.5°F).Humidity
The most humid month is September, with an average relative humidity of 79%.Rainfall
In Altepexi, in September, during 16.5 rainfall days, 69mm (2.72") of precipitation is typically accumulated. In Altepexi, during the entire year, the rain falls for 137.8 days and collects up to 464mm (18.27") of precipitation.Daylight
In Altepexi, Mexico, the average length of the day in September is 12h and 14min.On the first day of the month, sunrise is at 6:14 am and sunset at 6:43 pm. On the last day of September, in Altepexi, sunrise is at 6:19 am and sunset at 6:18 pm CST.
Sunshine
In September, the average sunshine is 8.9h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During September, 5 as the daily maximum UV index converts into the following advice:
Take necessary precautions - Protection from skin and eye injury is mandatory. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altepexi, 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
Altepexi, 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
Altepexi, 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
Altepexi, 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
Altepexi, 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
Altepexi, 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
Altepexi, Mexico
- Average daylight in September: 12h and 12min
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 54min
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
Altepexi, 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
Altepexi, 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
Altepexi, 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
Altepexi, 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).
