September weather forecast
Richmond Heights, FL

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Weather in September

The first month of the autumn, September, is still a tropical month in Richmond Heights, Florida, with an average temperature varying between 88.2°F (31.2°C) and 79.7°F (26.5°C).

Temperature

The transition from August to September sees average high-temperatures adjusting to a still tropical 88.2°F (31.2°C), from a not significantly different 90.1°F (32.3°C). Richmond Heights's September nights witness minimal differential from the daytime temperatures, with averages of 79.7°F (26.5°C).

Heat index

September's average heat index is appraised at a fiery hot 102.2°F (39°C). Undertake additional safety actions, risk of heat cramps and heat exhaustion is significant. Persistent activity may induce heatstroke.
One should consider that heat index numbers are for shaded settings and light wind. The direct sunshine could escalate the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'feels like', evaluates the perceived heat by adding the effect of moisture in the air. The impact of weather is personal, differing among a variety of people based on differences in body mass, height, and the level of physical exertion. Taking into account that direct sunlight can boost the heat effect, the heat index may rise by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
The primary way humans combat excessive warmth is by perspiring, letting sweat evaporate and cool the body. During high air temperature and humidity (high heat index), the process of perspiration is hindered, intensifying the sensation of heat. Heat absorption that surpasses the body's shedding capability can lead to overheating and varying levels of dehydration.

Humidity

In September, the average relative humidity is 72%.

Rainfall

In Richmond Heights, Florida, in September, during 16.1 rainfall days, 0.94" (24mm) of precipitation is typically accumulated. In Richmond Heights, during the entire year, the rain falls for 123.4 days and collects up to 9.61" (244mm) of precipitation.

Daylight

In Richmond Heights, the average length of the day in September is 12h and 17min.
On the first day of the month, sunrise is at 7:02 am and sunset at 7:40 pm. On the last day of September, in Richmond Heights, sunrise is at 7:13 am and sunset at 7:08 pm EDT.

Sunshine

In Richmond Heights, the average sunshine in September is 9h.

UV index

The months with the highest UV index in Richmond Heights, Florida, are April through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high health risk from exposure to the Sun's UV radiation for the average person.
Note: A daily high UV index of 7 in September leads to these guidelines:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a time when UV radiation is at its strongest, and remember that parasols or canopies do not offer full protection. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes.
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Frequently asked questions

How hot does it get in Richmond Heights in September?

In September, the average high-temperature and low-temperature in Richmond Heights are 88.2°F (31.2°C) and 79.7°F (26.5°C) respectively. In September, the average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, is appraised at 102.2°F (39°C).

What is the average humidity in September in Richmond Heights?

In September, the average relative humidity is 72%.

How much does it rain in Richmond Heights in September?

In Richmond Heights, during September, the rain falls for 16.1 days and regularly aggregates up to 0.94" (24mm) of precipitation.

What is the average length of the day in September in Richmond Heights?

In September, the average day length in Richmond Heights is 12h and 17min.

When are sunrise and sunset in September in Richmond Heights?

In September, on the first day of the month, sunrise is at 7:02 am and sunset at 7:40 pm. On the last day of the month, in Richmond Heights, Florida, sunrise is at 7:13 am and sunset at 7:08 pm EDT.

How many hours of sunshine does Richmond Heights have in September?

The average sunshine duration in September is 9h.

What are the months with the highest UV index in Richmond Heights?

The months with the highest UV index are April through September, with an average maximum UV index of 7.

What is the UV index intensity in September in Richmond Heights?

In September, the average daily maximum UV index in Richmond Heights, Florida, is 7. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Richmond Heights, FL

Average temperature in September - Richmond Heights, FL
  • Average high temperature in September: 88.2°F

The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (74.1°F).

  • Average low temperature in September: 79.7°F

The month with the highest average low temperature is August (81.5°F).
The coldest month (with the lowest average low temperature) is January (61.9°F).

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Average pressure in September
Richmond Heights, FL

Average pressure in September - Richmond Heights, FL
  • Average pressure in September: 29.95"Hg

The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.95"Hg).

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Average wind speed in September
Richmond Heights, FL

Average wind speed in September - Richmond Heights, FL
  • Average wind speed in September: 6.9mph

The windiest months (with the highest average wind speed) are March and April (9.4mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

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Average humidity in September
Richmond Heights, FL

Average humidity in September - Richmond Heights, FL
  • Average humidity in September: 72%

The month with the highest relative humidity is December (74%).
The month with the lowest relative humidity is March (67%).

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Average rainfall in September
Richmond Heights, FL

Average rainfall in September - Richmond Heights, FL
  • Average rainfall in September: 0.94"

The wettest month (with the highest rainfall) is August (1.73").
The driest month (with the least rainfall) is January (0.24").

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Average rainfall days in September
Richmond Heights, FL

Average rainfall days in September - Richmond Heights, FL
  • Average rainfall days in September: 16.1 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is January (4.6 days).

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Average daylight in September /
Average sunshine in September
Richmond Heights, FL

Average daylight in September / Average sunshine in September - Richmond Heights, FL
  • Average daylight in September: 12h and 2min

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 0min

The month with the most sunshine is July (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 6h and 24min).

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Average sunshine days in September
Richmond Heights, FL

Average sunshine days in September - Richmond Heights, FL
  • Average sunshine days in September: 11.4 days

The month with the most sunshine days is January (25.1 days).
The month with the least sunshine days is July (9.1 days).

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Average UV index in September
Richmond Heights, FL

Average UV index in September - Richmond Heights, FL
  • Average UV index in September: 7

The months with the highest UV index are April, May, June, July, August and September (UV index 7).
The month with the lowest UV index is January (UV index 5).

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Average cloud cover in September
Richmond Heights, FL

Average cloud cover in September - Richmond Heights, FL
  • Average cloud cover in September: 28

The month with the most cloud cover is October (Cloud cover 34).
The month with the least cloud cover is April (Cloud cover 25).

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Average visibility in September
Richmond Heights, FL

Average visibility in September - Richmond Heights, FL
  • Average visibility in September: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

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Richmond Heights, Florida, USA

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