September weather forecast
La Paz, Mexico

September in La Paz is a telltale sign of the setting summer with a subtle decline in temperatures, dropping to 31.3°C (88.3°F). The spirit of the city is reflected in the ample sunshine available despite the receding summer. La Paz witnesses maximum rainfall in September, remaining true to its tropical climate. Despite the shifting weather patterns, September's charm in the city is hard to miss. The advent of autumn brings about a different kind of serenity only found in La Paz.

Temperature

La Paz measures an average high-temperature of a still tropical 31.3°C (88.3°F) in September, nearly consistent with the preceding month. Throughout the month of September, the nighttime temperature in La Paz dips to an average of 26.2°C (79.2°F).

Heat index

The heat index in September is evaluated at a fiery hot 38°C (100.4°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Always consider that heat index estimations are for light winds and places in the shade. Direct exposure to sunshine could lead to a heat index increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', reflects the blend of air temperature and relative humidity to give a temperature impression. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
For the human body, perspiration is the go-to method to regulate temperature, using sweat's evaporation to dissipate warmth. Increased relative humidity interferes with body cooling by slowing the rate of evaporation, resulting in a slower body cooling rate and a heightened feeling of heat. Heat-related challenges, like dehydration, can be anticipated when body heat isn't managed effectively.

Humidity

The most humid month in La Paz is September, with an average relative humidity of 68%.

Rainfall

The month with the most rainfall is September, when the rain falls for 7.9 days and typically aggregates up to 43mm (1.69") of precipitation.

Sea temperature

September is the month with the warmest seawater in La Paz, with an average sea temperature of 30°C (86°F).
Note: Intense water activities might lose their appeal in waters that are warmer than 30°C (86°F).

Daylight

In La Paz, Mexico, the average length of the day in September is 12h and 17min.
On the first day of September, sunrise is at 6:03 am and sunset at 6:38 pm. On the last day of the month, sunrise is at 6:13 am and sunset at 6:08 pm MST.

Sunshine

The average sunshine in September is 9.5h.

UV index

May through October, with an average maximum UV index of 7, are months with the highest UV index in La Paz. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In September, the maximum UV index of 7 suggests these recommendations:
Stick with precautions and abide by sun safety procedures. Evading sunburn is essential. The Sun emits the most powerful UV radiation between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Heads up! UV intensity is amplified by reflections from water and sand.