September weather forecast
Clearwater, LA

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Weather in September

September, the first month of the autumn in Clearwater, is also a hot month, with an average temperature ranging between max 87.6°F (30.9°C) and min 68.5°F (20.3°C).

Temperature

September's arrival brings an average high-temperature of a still tropical 87.6°F (30.9°C), slightly deviating from August's 91.6°F (33.1°C). Nighttime temperature dips to a mean of 68.5°F (20.3°C) during September.

Heat index

During September, the heat index is computed to be a blisteringly hot 104°F (40°C). Ensure additional precautions, heat exhaustion and heat cramps may be expected. Heatstroke could occur from sustained activity.
Always consider that heat index estimations are for light winds and places in the shade. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is achieved by amalgamating air temperature with the relative humidity readings. The individual's experience of temperature can be shaped by numerous aspects such as metabolic variations, physical exertion, and attire. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are primarily vital for children. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Through perspiration, the body has a natural mechanism to eliminate excessive heat via sweat evaporation. Excessive relative humidity disturbs the body's typical cooling process by reducing evaporation, leading to a decrease in body cooling rate and an increase in the sensation of warmth. When the body is unable to balance heat gain, its temperature elevates, which may induce thermal illnesses.

Humidity

In September, the average relative humidity is 77%.

Rainfall

In September, the rain falls for 15.1 days. Throughout September, 2.32" (59mm) of precipitation is accumulated. In Clearwater, during the entire year, the rain falls for 164.9 days and collects up to 34.96" (888mm) of precipitation.

Snowfall

In Clearwater, snow does not fall in March through December.

Daylight

In Clearwater, the average length of the day in September is 12h and 20min.
On the first day of September, sunrise is at 6:46 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:55 pm CDT.

Sunshine

In Clearwater, the average sunshine in September is 9.4h.

UV index

In Clearwater, the average daily maximum UV index in September is 6. A UV Index reading of 6 to 7 represents a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In September, a daily UV index of 6 turns into the following recommendations:
Use measures and accept sun safety conventions. Guarding against skin and eye trauma is of high priority. The Sun's UV radiation is most intense from 10 a.m. to 4 p.m. Try to avoid direct sun exposure during these hours. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.

Frequently asked questions

How hot does it get in September?

In September, in Clearwater, the average high-temperature is 87.6°F (30.9°C), and the average low-temperature is 68.5°F (20.3°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is computed to be 104°F (40°C).

What is the average humidity in September?

The average relative humidity in September is 77%.

How many days does it rain in September?

In Clearwater, in September, during 15.1 rainfall days, 2.32" (59mm) of precipitation is typically accumulated.

When it does not snow?

In Clearwater, snow does not fall in March through December.

How many hours of daylight does Clearwater have in September?

In Clearwater, the average day length in September is 12h and 20min.

When are sunrise and sunset in September?

On the first day of September, sunrise is at 6:46 am and sunset at 7:32 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:55 pm CDT.

How long on average sun shines in September?

The average sunshine duration in September is 9.4h.

How high is the UV index in September in Clearwater?

In September, the average daily maximum UV index is 6. 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 snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Clearwater, LA

Average temperature in September - Clearwater, LA
  • Average high temperature in September: 87.6°F

The warmest month (with the highest average high temperature) is July (91.9°F).
The month with the lowest average high temperature is January (56.8°F).

  • Average low temperature in September: 68.5°F

The month with the highest average low temperature is August (73.2°F).
The coldest month (with the lowest average low temperature) is January (41.2°F).

Average pressure in September
Clearwater, LA

Average pressure in September - Clearwater, LA
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.95"Hg).

Average wind speed in September
Clearwater, LA

Average wind speed in September - Clearwater, LA
  • Average wind speed in September: 5.2mph

The windiest month (with the highest average wind speed) is February (7.7mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.2mph).

Average humidity in September
Clearwater, LA

Average humidity in September - Clearwater, LA
  • Average humidity in September: 77%

The months with the highest relative humidity are February and December (82%).
The month with the lowest relative humidity is October (72%).

Average rainfall in September
Clearwater, LA

Average rainfall in September - Clearwater, LA
  • Average rainfall in September: 2.32"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is November (2.13").

Average rainfall days in September
Clearwater, LA

Average rainfall days in September - Clearwater, LA
  • Average rainfall days in September: 15.1 days

The month with the highest number of rainy days is August (17.9 days).
The month with the least rainy days is November (10 days).

Average snowfall in September
Clearwater, LA

Average snowfall in September - Clearwater, LA
  • Average snowfall in September: 0"

The month with the highest snowfall is January (0.51").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").

Average snowfall days in September
Clearwater, LA

Average snowfall days in September - Clearwater, LA
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (0.5 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
Clearwater, LA

Average daylight in September / Average sunshine in September - Clearwater, LA
  • 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: 9h and 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in September
Clearwater, LA

Average sunshine days in September - Clearwater, LA
  • Average sunshine days in September: 13.2 days

The month with the most sunshine days is October (19.7 days).
The month with the least sunshine days is August (10.8 days).

Average UV index in September
Clearwater, LA

Average UV index in September - Clearwater, LA
  • Average UV index in September: 6

The months with the highest UV index are 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
Clearwater, LA

Average cloud cover in September - Clearwater, LA
  • Average cloud cover in September: 32

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

Average visibility in September
Clearwater, LA

Average visibility in September - Clearwater, LA
  • Average visibility in September: 5mi

The months with the highest visibility are January, February, March, June, October, November and December (6mi).
The months with the lowest visibility are April, May, July, August and September (5mi).

Clearwater, Louisiana, USA

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