September weather forecastTopolobampo, Mexico
September
Weather in September
The first month of the autumn, September, is still a tropical month in Topolobampo, Mexico, with an average temperature fluctuating between 32.5°C (90.5°F) and 27.5°C (81.5°F).Temperature
Topolobampo indicates an average high-temperature of a still hot 32.5°C (90.5°F) in September, showing minor variation from August's 33.3°C (91.9°F). During September's nights, Topolobampo notes a minor temperature decline, reaching an average of 27.5°C (81.5°F).Heat index
September's average heat index is computed to be a scorching 42°C (107.6°F). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.In reference to the heat index, it's for places in shade and with a slight wind. A rise in the heat index by 15 Fahrenheit (8 Celsius) degrees may result from direct sunlight exposure.
Note: The heat index, also known as 'feels like' or 'real feel', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's perception of weather can be influenced by a variety of factors including metabolic differences, being pregnant, and their degree of physical exertion. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Young ones are generally at greater risk than adults due to their limited sweating ability. In addition, their large skin surface relative to their small bodies and higher heat production from their activities add to their vulnerability.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. Heightened relative humidity interferes with the body's usual cooling mechanism by reducing evaporation, subsequently decreasing the body's cooling rate and increasing the sensation of heat. Excessive heat that's not properly managed leads to increased body temperatures and resultant health issues.
Humidity
August and September, with an average relative humidity of 69%, are the most humid months.Rainfall
The month with the most rainfall is September, when the rain falls for 13.1 days and typically aggregates up to 71mm (2.8") of precipitation.Sea temperature
August and September, with an average sea temperature of 30.9°C (87.6°F), are months with the warmest seawater.Note: Temperatures exceeding 30°C (86°F) can compromise the refreshing quality of water activities.
Daylight
In September, the average length of the day is 12h and 17min.On the first day of the month, sunrise is at 5:56 am and sunset at 6:34 pm. On the last day of September, in Topolobampo, Mexico, sunrise is at 6:08 am and sunset at 6:03 pm MST.
Sunshine
The average sunshine in September is 9.8h.UV index
In Topolobampo, the average daily maximum UV index in September is 7. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 7 in September converts into the following recommendations:
Employ safeguards and advocate sun safety protocols. Shielding against skin and eye damage is crucial. Between 10 a.m. and 4 p.m., UV radiation is strongest. Make an effort to avoid direct sunlight during this time, remembering that shade structures may not provide full sun protection. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take note! The UV strength of the Sun elevates when reflected off water and sand.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Topolobampo, Mexico
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is August (33.3°C).
The month with the lowest average high temperature is January (23.8°C).
- Average low temperature in September: 27.5°C
The month with the highest average low temperature is August (28.2°C).
The coldest months (with the lowest average low temperature) are January and February (16.6°C).
Average pressure in September
Topolobampo, Mexico
- Average pressure in September: 1009.5mbar
The month with the highest atmospheric pressure is January (1015.6mbar).
The month with the lowest atmospheric pressure is September (1009.5mbar).
Average wind speed in September
Topolobampo, Mexico
- Average wind speed in September: 12.7km/h
The windiest month (with the highest average wind speed) is February (15.4km/h).
The calmest month (with the lowest average wind speed) is August (12.5km/h).
Average humidity in September
Topolobampo, Mexico
- Average humidity in September: 69%
The months with the highest relative humidity are August and September (69%).
The month with the lowest relative humidity is May (52%).
Average rainfall in September
Topolobampo, Mexico
- Average rainfall in September: 71mm
The wettest month (with the highest rainfall) is September (71mm).
The driest month (with the least rainfall) is April (1mm).
Average rainfall days in September
Topolobampo, Mexico
- Average rainfall days in September: 13.1 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is May (1.2 days).
Average sea temperature in September
Topolobampo, Mexico
- Average sea temperature in September: 30.9°C
The best months for swimming (with the highest average sea temperature) are August and September (30.9°C).
The coldest month (with the lowest average sea temperature) is February (18.9°C).
Average daylight in September /
Average sunshine in September
Topolobampo, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 42min).
The month with the shortest days is December (Average daylight: 10h and 36min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is June (Average sunshine: 11h and 54min).
The month with the least sunshine is December (Average sunshine: 7h and 12min).
Average sunshine days in September
Topolobampo, Mexico
- Average sunshine days in September: 14.5 days
The month with the most sunshine days is May (29.7 days).
The month with the least sunshine days is July (11.3 days).
Average UV index in September
Topolobampo, Mexico
- Average UV index in September: 7
The months with the highest UV index are June and July (UV index 8).
The months with the lowest UV index are January and December (UV index 5).
Average cloud cover in September
Topolobampo, Mexico
- Average cloud cover in September: 20
The month with the most cloud cover is July (Cloud cover 23).
The month with the least cloud cover is May (Cloud cover 7).
Average visibility in September
Topolobampo, Mexico
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
