Clearwater
Florida, USA
Long-term weather forecast
Long-term weather forecast

September weather forecast and Climate
Clearwater, FL

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).

  • 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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