September weather forecastAltamirano, Mexico
September
Weather in September
September, the first month of the autumn in Altamirano, is still a warm month, with an average temperature fluctuating between 24.1°C (75.4°F) and 15.5°C (59.9°F).Temperature
September's arrival shows an average high-temperature of a still warm 24.1°C (75.4°F), hardly different from the previous month. Throughout September, Altamirano anticipates an average low-temperature of 15.5°C (59.9°F).Humidity
September is the most humid month in Altamirano, with an average relative humidity of 88%.Rainfall
In September, in Altamirano, the rain falls for 28.5 days. Throughout September, 276mm (10.87") of precipitation is accumulated. In Altamirano, during the entire year, the rain falls for 249.8 days and collects up to 1911mm (75.24") of precipitation.Daylight
In September, the average length of the day in Altamirano, Mexico, is 12h and 13min.On the first day of September, sunrise is at 5:54 am and sunset at 6:21 pm. On the last day of the month, sunrise is at 5:58 am and sunset at 5:57 pm CST.
Sunshine
In Altamirano, Mexico, the average sunshine in September is 8.4h.UV index
In Altamirano, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: A daily high UV index of 5 in September leads to these guidelines:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Altamirano, Mexico
- Average high temperature in September: 24.1°C
The warmest month (with the highest average high temperature) is April (27.5°C).
The month with the lowest average high temperature is January (21.8°C).
- Average low temperature in September: 15.5°C
The month with the highest average low temperature is May (16.7°C).
The coldest month (with the lowest average low temperature) is January (11.5°C).
Average pressure in September
Altamirano, Mexico
- Average pressure in September: 1012.4mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1011.9mbar).
Average wind speed in September
Altamirano, Mexico
- Average wind speed in September: 3.2km/h
The windiest month (with the highest average wind speed) is January (4.7km/h).
The calmest month (with the lowest average wind speed) is September (3.2km/h).
Average humidity in September
Altamirano, Mexico
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (68%).
Average rainfall in September
Altamirano, Mexico
- Average rainfall in September: 276mm
The wettest month (with the highest rainfall) is June (359mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Altamirano, Mexico
- Average rainfall days in September: 28.5 days
The month with the highest number of rainy days is September (28.5 days).
The month with the least rainy days is December (12.5 days).
Average daylight in September /
Average sunshine in September
Altamirano, Mexico
- Average daylight in September: 12h and 12min
The month with the longest days is June (Average daylight: 13h and 6min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 8h and 24min
The month with the most sunshine is April (Average sunshine: 10h and 42min).
The month with the least sunshine is October (Average sunshine: 6h and 24min).
Average sunshine days in September
Altamirano, Mexico
- Average sunshine days in September: 0.9 days
The month with the most sunshine days is December (14.7 days).
The month with the least sunshine days is September (0.9 days).
Average UV index in September
Altamirano, Mexico
- Average UV index in September: 5
The months with the highest UV index are March and April (UV index 6).
The month with the lowest UV index is November (UV index 4).
Average cloud cover in September
Altamirano, Mexico
- Average cloud cover in September: 54
The month with the most cloud cover is October (Cloud cover 55).
The month with the least cloud cover is March (Cloud cover 25).
Average visibility in September
Altamirano, Mexico
- Average visibility in September: 7km
The months with the highest visibility are February, March, April and May (9km).
The month with the lowest visibility is October (6km).
