Orlando Weather in September

Orlando, Florida sees a slight easing of hot and rainy weather during September, although the humidity remains high. This is the month that Orlando is most likely to feel a hurricane.

This page gives detailed information on the typical September temperature, precipitation, sun, humidity, wind and storms for Orlando.

The numbers here are historical averages based on climate data gathered at the Orlando International Airport, located near downtown Orlando and Walt Disney World Resort.

Temperature Weather iconTemperature

90 °F September average high 32 °C
73 °F September average low 23 °C

In most years, Orlando averages a daily maximum temperature for September that's between 88 and 91 degrees Fahrenheit (31 to 33 degrees Celsius). The minimum temperature usually falls between 72 and 74 °F (22 to 23 °C).

The days at Orlando begin to cool down during September. By the end of the month, the temperature has dropped around 3 °F (2 °C) below what it was at the start.

16 days 90 °F max. or more (32 °C)
4 days 70 °F min. or less (21 °C)

Nearly every day in September warms to over 80 °F (27 °C) at Orlando. Temperatures above 100 °F (38 °C) are not expected here this month.

September does not normally get as cold as 60 °F (16 °C).

Rainy Weather iconRain

6.1 in total precipitation 154 mm
13 days of rain

Half the time, Orlando receives 5 to 7 inches (115 to 181 mm) of rainfall in September. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

61 % sunshine
4 days clear skies

The sun's rays reach the ground in Orlando during 61 percent of daylight hours on average in September, for a total of 225 hours in the month. Typically on 4 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in September at Orlando lasts for 12 hours and 18 minutes a day on average. The longest day of the month is the 1st with 12 hours and 43 minutes of daylight. By the end of the month, the days have shortened to 11:54 from sunrise to sunset. These durations can vary by a minute or two from year to year.

Humid Weather iconHumidity

79 % September average humidity

September is one of the most humid months for Orlando. The relative humidity usually peaks at 92 percent in the morning then drops to 61 percent by early afternoon.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 90 92 91 71 61 65 78 86

Windy Weather iconWind

7.7 mph September wind speed average 12.4 kph

September is less windy than most other months in Orlando.

Stormy Weather iconStorms

4 days rainfall of 0.5 inches (13 mm) or more
10 days with thunderstorms in September
12 % chance a named storm approaches

There's a six percent probability that a hurricane will approach within 100 miles (165 km) of Orlando during September. The chance of a major category 3 to 5 hurricane reaching the area is two percent.

Reference

These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity and thunderstorm statistics are 1961-1990 normals. The named storm probabilities come from the Atlantic Oceanographic and Meteorological Laboratory, Hurricane Research Division.

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