September weather forecastAtempa, Mexico
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Atempa, Mexico, with an average temperature fluctuating between 22.5°C (72.5°F) and 12.9°C (55.2°F).Temperature
The advent of September denotes an average high-temperature of a pleasant 22.5°C (72.5°F), subtly different from August's 23.5°C (74.3°F). During September, the temperature in Atempa is averaged to a low of 12.9°C (55.2°F) at night.Humidity
The months with the highest humidity are September and October, with an average relative humidity of 83%.Rainfall
In Atempa, in September, during 26.1 rainfall days, 150mm (5.91") of precipitation is typically accumulated. In Atempa, during the entire year, the rain falls for 227.8 days and collects up to 1046mm (41.18") of precipitation.Daylight
In Atempa, 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 6:42 pm. On the last day of September, sunrise is at 6:18 am and sunset at 6:16 pm CST.
Sunshine
The average sunshine in September in Atempa is 8.2h.UV index
February through September, with an average maximum UV index of 5, are months with the highest UV index. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In September, the maximum UV index of 5 transforms into these recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Atempa, 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 (18.5°C).
- Average low temperature in September: 12.9°C
The month with the highest average low temperature is May (14.2°C).
The coldest month (with the lowest average low temperature) is January (8.8°C).
Average pressure in September
Atempa, Mexico
- Average pressure in September: 1014.8mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.8mbar).
Average wind speed in September
Atempa, Mexico
- Average wind speed in September: 5.7km/h
The windiest month (with the highest average wind speed) is March (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.7km/h).
Average humidity in September
Atempa, Mexico
- Average humidity in September: 83%
The months with the highest relative humidity are September and October (83%).
The month with the lowest relative humidity is April (67%).
Average rainfall in September
Atempa, Mexico
- Average rainfall in September: 150mm
The wettest month (with the highest rainfall) is June (184mm).
The driest month (with the least rainfall) is December (13mm).
Average rainfall days in September
Atempa, Mexico
- Average rainfall days in September: 26.1 days
The month with the highest number of rainy days is September (26.1 days).
The month with the least rainy days is December (10.2 days).
Average daylight in September /
Average sunshine in September
Atempa, 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 0min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is May (Average sunshine: 10h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 54min).
Average sunshine days in September
Atempa, Mexico
- Average sunshine days in September: 1.9 days
The month with the most sunshine days is December (16.1 days).
The month with the least sunshine days is September (1.9 days).
Average UV index in September
Atempa, Mexico
- Average UV index in September: 5
The months with the highest UV index are February, March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, October, November and December (UV index 4).
Average cloud cover in September
Atempa, Mexico
- Average cloud cover in September: 41
The month with the most cloud cover is September (Cloud cover 41).
The months with the least cloud cover are March and April (Cloud cover 24).
Average visibility in September
Atempa, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, July, August and December (9km).
The months with the lowest visibility are September, October and November (8km).





