September weather forecast
Lomitas, Mexico

September, the first month of the autumn in Lomitas, is still a hot month, with an average temperature ranging between min 22.5°C (72.5°F) and max 32.4°C (90.3°F).

Temperature

The transition from August to September brings an average high-temperature of a still hot 32.4°C (90.3°F), barely different from August's 33.8°C (92.8°F). In Lomitas, the average low-temperature during the month of September is a pleasant 22.5°C (72.5°F).

Heat index

The heat index value for September is computed to be a blazing hot 48°C (118.4°F). Keep alert: Heat cramps and heat exhaustion are probable. Heatstroke is a potential danger with continued physical activity.
The metrics for the heat index are tailored for both shady environments and light winds. Direct sunlight can cause a surge in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', shows a temperature sensation when both heat and moisture conditions are combined. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Younglings frequently fail to recognize the requirement to rest and rehydrate. Thirst emerges late in dehydration - it is imperative to keep hydration levels high, particularly during extended physical exertions.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. In the presence of abundant moisture in the atmosphere, the cooling process through evaporation is hindered, causing the body to feel excessively warm. When heat surpasses the body's release mechanisms, dehydration and overheating risks become pronounced.

Humidity

In September, the average relative humidity is 85%.

Rainfall

In Lomitas, Mexico, in September, during 23.1 rainfall days, 122mm (4.8") of precipitation is typically accumulated. In Lomitas, during the entire year, the rain falls for 198.8 days and collects up to 1061mm (41.77") of precipitation.

Daylight

In Lomitas, Mexico, the average length of the day in September is 12h and 14min.
On the first day of September, sunrise is at 5:57 am and sunset at 6:25 pm. On the last day of the month, sunrise is at 6:02 am and sunset at 6:00 pm CST.

Sunshine

The average sunshine in September is 8.1h.

UV index

In September, the average daily maximum UV index is 6. A UV Index reading of 6 to 7 represents a high health risk from exposure to the Sun's UV rays for the ordinary person.
Note: The UV index of 6 in September translates into these instructions:
Ward off overexposure. Defence against solar harm is crucial. Stay in the shade and limit sun exposure from 10 a.m. to 4 p.m., when UV radiation is most potent. Keep in mind that shade structures like parasols or canopies do not offer full protection. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.