Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September sees a recorded average high-temperature of a still moderately hot 25.5°C (77.9°F), showing little divergence from the previous month's conditions. In the month of September, Tonalá's average low-temperature falls to a mild 14.5°C (58.1°F).Humidity
The most humid month is September, with an average relative humidity of 82%.Rainfall
In Tonalá, in September, it is raining for 26.5 days, with typically 132mm (5.2") of accumulated precipitation. In Tonalá, during the entire year, the rain falls for 154.5 days and collects up to 719mm (28.31") of precipitation.Daylight
In Tonalá, the average length of the day in September is 12h and 15min.On the first day of September in Tonalá, sunrise is at 6:37 am and sunset at 7:08 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 6:41 pm CST.
Sunshine
In Tonalá, the average sunshine in September is 9h.UV index
In Tonalá, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 5 during September translates into the following guidance:
Ensure safety - Imperative it is to shield skin and eyes from damage. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Frequently asked questions
What is the average September temperature in Tonalá?
What is the most humid month in Tonalá?
What is the average humidity in September in Tonalá?
How much does it rain in Tonalá in September?
How many hours of daylight does Tonalá have in September?
When are sunrise and sunset in September in Tonalá?
How many hours of sunshine does Tonalá have in September?
How high is the UV index in September in Tonalá?
Average temperature in September
Tonalá, Mexico
- Average high temperature in September: 25.5°C
The warmest month (with the highest average high temperature) is May (32.4°C).
The month with the lowest average high temperature is December (23.5°C).
- Average low temperature in September: 14.5°C
The month with the highest average low temperature is June (17.9°C).
The coldest month (with the lowest average low temperature) is January (9.2°C).
Average pressure in September
Tonalá, Mexico
- Average pressure in September: 1013.7mbar
The month with the highest atmospheric pressure is January (1016.7mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).
Average wind speed in September
Tonalá, Mexico
- Average wind speed in September: 5.2km/h
The windiest month (with the highest average wind speed) is April (7.8km/h).
The calmest month (with the lowest average wind speed) is July (4.6km/h).
Average humidity in September
Tonalá, Mexico
- Average humidity in September: 82%
The month with the highest relative humidity is September (82%).
The month with the lowest relative humidity is April (36%).
Average rainfall in September
Tonalá, Mexico
- Average rainfall in September: 132mm
The wettest month (with the highest rainfall) is July (187mm).
The driest month (with the least rainfall) is April (2mm).
Average rainfall days in September
Tonalá, Mexico
- Average rainfall days in September: 26.5 days
The month with the highest number of rainy days is July (29.3 days).
The month with the least rainy days is April (2.2 days).
Average daylight in September /
Average sunshine in September
Tonalá, Mexico
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is July (Average sunshine: 8h and 42min).
Average sunshine days in September
Tonalá, Mexico
- Average sunshine days in September: 2 days
The month with the most sunshine days is January (27.3 days).
The month with the least sunshine days is July (0.7 days).
Average UV index in September
Tonalá, Mexico
- Average UV index in September: 5
The month with the highest UV index is May (UV index 7).
The month with the lowest UV index is January (UV index 4).
Average cloud cover in September
Tonalá, Mexico
- Average cloud cover in September: 41
The month with the most cloud cover is July (Cloud cover 43).
The months with the least cloud cover are March and April (Cloud cover 9).
Average visibility in September
Tonalá, Mexico
- Average visibility in September: 8km
The months with the highest visibility are January, February, March, April, May, June, November and December (10km).
The months with the lowest visibility are July, August and September (8km).
Tonalá, Mexico
Weather forecast for your location
2. Allow the app to use your location
