September weather forecastCaltepec, Mexico

September

Weather in September

September, the first month of the autumn in Caltepec, is also an agreeable month, with temperature in the range of an average low of 13.6°C (56.5°F) and an average high of 22.5°C (72.5°F).

Temperature

Caltepec records an average high-temperature of a pleasant 22.5°C (72.5°F) as September arrives, nearly mirroring the previous month's climate. Caltepec's average low-temperature is measured at a refreshing 13.6°C (56.5°F) during September.

Humidity

With an average relative humidity of 79%, September is the most humid month in Caltepec.

Rainfall

In Caltepec, Mexico, in September, it is raining for 16.5 days, with typically 69mm (2.72") of accumulated precipitation. Throughout the year, there are 137.8 rainfall days, and 464mm (18.27") of precipitation is accumulated.

Daylight

In September, the average length of the day in Caltepec is 12h and 14min.
On the first day of the month, sunrise is at 6:15 am and sunset at 6:43 pm. On the last day of September, in Caltepec, sunrise is at 6:20 am and sunset at 6:19 pm CST.

Sunshine

In Caltepec, the average sunshine in September is 8.9h.

UV index

In Caltepec, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 5 in September suggests the following recommendations:
Act with care - The need to guard against sun damage is communicated. Direct Sun exposure should be minimized especially during midday when radiation is most intense. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear.

Frequently asked questions

The average high-temperature and low-temperature in Caltepec during September are 22.5°C (72.5°F) and 13.6°C (56.5°F) respectively.

With an average relative humidity of 79%, September is the most humid month in Caltepec.

The average relative humidity in September in Caltepec is 79%.

In Caltepec, during September, the rain falls for 16.5 days and regularly aggregates up to 69mm (2.72") of precipitation.

In Caltepec, the average day length in September is 12h and 14min.

In September, on the first day of the month, sunrise is at 6:15 am and sunset at 6:43 pm. On the last day of the month, in Caltepec, sunrise is at 6:20 am and sunset at 6:19 pm CST.

In Caltepec, Mexico, the average sunshine duration in September is 8.9h.

In September, the average daily maximum UV index in Caltepec is 5. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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
Caltepec, 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).