Clearwater
Florida, USA
Long-term weather forecast
Long-term weather forecast
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September weather forecast and Climate
Clearwater, FL

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The skyline and cityscape of the Clearwater Beach in Florida, with the magnificent city buildings in view
The skyline and cityscape of the Clearwater Beach in Florida, with the magnificent city buildings in view
  • The average high temperature in September: 31.4°C

Warmest months (with the highest average high temperature) are July and August (32.2°C).
Months with the lowest average high temperature are January and February (21.9°C).

  • The average low temperature in September: 22.7°C

Months with the highest average low temperature are July and August (23.4°C).
The coldest month (with the lowest average low temperature) is January (11.6°C).

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  • The average rainfall in September: 182.9mm

Wettest months (with the highest rainfall) are July and August (241.3mm).
The driest month (with the lowest rainfall) is November (45.7mm).

  • The average rainfall days in September: 12 days

The month with the highest number of rainy days is August (17 days).
The month with the lowest number of rainy days is April (4 days).

  • The average sea temperature in September: 29°C

The best month for swimming (with the highest average sea temperature) is August (30°C).
The coldest month (with the lowest average sea temperature) is February (20°C).

  • The average daylight in September: 12h

Months with the longest days are May, June and July (Average daylight: 14h).
The month with shortest days is December (Average daylight: 10h).

  • The average sunshine in September: 8h

Months with most sunshine are April and May (Average sunshine: 10h).
The month with least sunshine is December (Average sunshine: 6h).

  • The average UV index in September: 10

Months with the highest UV index are May, June, July and August (UV index 11).
Months with the lowest UV index are January and December (UV index 5).

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