September weather forecast
Cypress, FL

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Weather in September

September, the first month of the autumn in Cypress, is still a hot month, with an average temperature varying between 87.3°F (30.7°C) and 69.6°F (20.9°C).

Temperature

September welcomes an average high-temperature of a still tropical 87.3°F (30.7°C), not much different from the preceding month. In September, the nighttime temperature in Cypress lowers to an average of 69.6°F (20.9°C).

Heat index

September's heat index is estimated at a fiery hot 102.2°F (39°C). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.
It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. Heat index values may rise by up to 15 Fahrenheit (8 Celsius) degrees when exposed to direct sunlight.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is the outcome of merging air's temperature and its humidity metrics. The impact of weather is individual, with diverse individuals experiencing it differently due to variations in body mass, height, and activity levels. Awareness of direct sun exposure is crucial as it has the potential to heighten the weather's effects, pushing up the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely vital to babies and toddlers. Children often fail to recognize the requirement to rest and rehydrate. Thirst, being a late symptom of dehydration, underlines the importance of maintaining hydration, especially during ongoing physical activities.
Perspiration, followed by sweat evaporation, is the human body's chief method to maintain a balanced temperature. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

The months with the highest humidity in Cypress are August, September and December, with an average relative humidity of 77%.

Rainfall

In Cypress, in September, during 18.8 rainfall days, 3.15" (80mm) of precipitation is typically accumulated. Throughout the year, in Cypress, there are 182.5 rainfall days, and 36.97" (939mm) of precipitation is accumulated.

Snowfall

In Cypress, snow does not fall in February through December.

Daylight

In September, the average length of the day is 12h and 20min.
On the first day of September, sunrise is at 6:17 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:26 pm CDT.

Sunshine

In September, the average sunshine in Cypress, Florida, is 8.6h.

UV index

In September, the average daily maximum UV index is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily maximum UV index of 6 in September interprets into the following advice:
Resist extreme sun exposure. Guarding against solar damage is essential. Make an effort to avoid direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation, and note that objects like parasols or canopies might not offer full sun protection. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it hot in Cypress during September?

The average high-temperature, in September, in Cypress, is 87.3°F (30.7°C), while the average low-temperature is 69.6°F (20.9°C). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is estimated at 102.2°F (39°C).

What is the most humid month in Cypress?

August, September and December, with an average relative humidity of 77%, are most humid months in Cypress.

What is the average humidity in September in Cypress?

In September, the average relative humidity in Cypress is 77%.

How many days does it rain in September in Cypress?

In Cypress, during September, the rain falls for 18.8 days and regularly aggregates up to 3.15" (80mm) of precipitation.

When it does not snow in Cypress?

In Cypress, Florida, snow does not fall in February through December.

What is the average length of the day in September in Cypress?

The average day length in September is 12h and 20min.

What time are sunrise and sunset in September in Cypress?

On the first day of September in Cypress, Florida, sunrise is at 6:17 am and sunset at 7:02 pm. On the last day of the month, sunrise is at 6:33 am and sunset at 6:26 pm CDT.

How long on average sun shines in September in Cypress?

In September, the average sunshine duration in Cypress, Florida, is 8.6h.

What is the UV index reading in September in Cypress?

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

Average temperature in September
Cypress, FL

Average temperature in September - Cypress, FL
  • Average high temperature in September: 87.3°F

The warmest months (with the highest average high temperature) are July and August (90.3°F).
The month with the lowest average high temperature is January (59.7°F).

  • Average low temperature in September: 69.6°F

The month with the highest average low temperature is August (74.3°F).
The coldest month (with the lowest average low temperature) is January (42.8°F).

Average pressure in September
Cypress, FL

Average pressure in September - Cypress, FL
  • Average pressure in September: 29.98"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.98"Hg).

Average wind speed in September
Cypress, FL

Average wind speed in September - Cypress, FL
  • Average wind speed in September: 5mph

The windiest month (with the highest average wind speed) is March (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in September
Cypress, FL

Average humidity in September - Cypress, FL
  • Average humidity in September: 77%

The months with the highest relative humidity are August, September and December (77%).
The month with the lowest relative humidity is May (71%).

Average rainfall in September
Cypress, FL

Average rainfall in September - Cypress, FL
  • Average rainfall in September: 3.15"

The wettest month (with the highest rainfall) is August (5.28").
The driest month (with the least rainfall) is November (1.46").

Average rainfall days in September
Cypress, FL

Average rainfall days in September - Cypress, FL
  • Average rainfall days in September: 18.8 days

The month with the highest number of rainy days is August (26.3 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in September
Cypress, FL

Average snowfall in September - Cypress, FL
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Cypress, FL

Average snowfall days in September - Cypress, FL
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.2 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in September /
Average sunshine in September
Cypress, FL

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

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

  • Average sunshine in September: 8h and 4min

The months with the most sunshine are June and July (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in September
Cypress, FL

Average sunshine days in September - Cypress, FL
  • Average sunshine days in September: 9.1 days

The month with the most sunshine days is November (20.1 days).
The month with the least sunshine days is July (3.4 days).

Average UV index in September
Cypress, FL

Average UV index in September - Cypress, FL
  • Average UV index in September: 6

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in September
Cypress, FL

Average cloud cover in September - Cypress, FL
  • Average cloud cover in September: 30

The month with the most cloud cover is December (Cloud cover 42).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in September
Cypress, FL

Average visibility in September - Cypress, 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).

Cypress, Florida, USA

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