September weather forecastPolanco, Mexico

September

Weather in September

The first month of the autumn, September, is still a pleasant month in Polanco, Mexico, with an average temperature varying between 20.8°C (69.4°F) and 11°C (51.8°F).

Temperature

In September, Polanco's weather conditions record an average high-temperature of a still agreeable 20.8°C (69.4°F), demonstrating little divergence from the preceding month. Polanco temperatures generally rest at a low of 11°C (51.8°F) during the September nights.

Humidity

With an average relative humidity of 77%, September is the most humid month.

Rainfall

In Polanco, in September, during 25.7 rainfall days, 116mm (4.57") of precipitation is typically accumulated. Throughout the year, there are 176.8 rainfall days, and 781mm (30.75") of precipitation is accumulated.

Daylight

In Polanco, the average length of the day in September is 12h and 14min.
On the first day of the month, sunrise is at 6:21 am and sunset at 6:51 pm. On the last day of September, sunrise is at 6:27 am and sunset at 6:25 pm CST.

Sunshine

The average sunshine in September is 9.1h.

UV index

The months with the lowest UV index are January, June, August through December, with an average maximum UV index of 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index, 4 during September, leads to the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Enhance your sun protection with tightly woven, yet airy clothing.

Frequently asked questions

The average high-temperature and low-temperature during September are 20.8°C (69.4°F) and 11°C (51.8°F) respectively.

With an average relative humidity of 77%, September is the most humid month in Polanco, Mexico.

In Polanco, Mexico, the average relative humidity in September is 77%.

In September, in Polanco, the rain falls for 25.7 days. Throughout September, 116mm (4.57") of precipitation is accumulated.

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

On the first day of September in Polanco, Mexico, sunrise is at 6:21 am and sunset at 6:51 pm. On the last day of the month, sunrise is at 6:27 am and sunset at 6:25 pm CST.

In Polanco, the average sunshine duration in September is 9.1h.

January, June, August through December, with an average maximum UV index of 4, are months with the lowest UV index.

In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health threat from 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
Polanco, Mexico

  • Average high temperature in September: 20.8°C

The warmest months (with the highest average high temperature) are April and May (25.4°C).
The month with the lowest average high temperature is January (19.2°C).

  • Average low temperature in September: 11°C

The month with the highest average low temperature is May (13.7°C).
The coldest month (with the lowest average low temperature) is January (6.8°C).

Average pressure in September
Polanco, Mexico

  • Average pressure in September: 1015.6mbar

The month with the highest atmospheric pressure is January (1018.3mbar).
The month with the lowest atmospheric pressure is May (1014.1mbar).

Average wind speed in September
Polanco, Mexico

  • Average wind speed in September: 6.2km/h

The windiest month (with the highest average wind speed) is March (7.4km/h).
The calmest month (with the lowest average wind speed) is July (5.4km/h).

Average humidity in September
Polanco, Mexico

  • Average humidity in September: 77%

The month with the highest relative humidity is September (77%).
The month with the lowest relative humidity is April (41%).

Average rainfall in September
Polanco, Mexico

  • Average rainfall in September: 116mm

The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is December (4mm).

Average rainfall days in September
Polanco, Mexico

  • Average rainfall days in September: 25.7 days

The month with the highest number of rainy days is July (28.8 days).
The month with the least rainy days is December (3.9 days).

Average daylight in September /
Average sunshine in September
Polanco, Mexico

  • Average daylight in September: 12h and 12min

The month with the longest days is June (Average daylight: 13h and 18min).
The month with the shortest days is December (Average daylight: 11h and 0min).

  • Average sunshine in September: 9h and 6min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is November (Average sunshine: 7h and 48min).

Average sunshine days in September
Polanco, Mexico

  • Average sunshine days in September: 2.5 days

The month with the most sunshine days is December (25.1 days).
The month with the least sunshine days is July (0.3 days).

Average UV index in September
Polanco, Mexico

  • Average UV index in September: 4

The months with the highest UV index are February, March, April, May and July (UV index 5).
The months with the lowest UV index are January, June, August, September, October, November and December (UV index 4).

Average cloud cover in September
Polanco, Mexico

  • Average cloud cover in September: 37

The month with the most cloud cover is July (Cloud cover 38).
The month with the least cloud cover is December (Cloud cover 10).

Average visibility in September
Polanco, Mexico

  • Average visibility in September: 8km

The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are July, August and September (8km).