September weather forecast
Keuka, FL

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Weather in September

September, the first month of the autumn in Keuka, is still a hot month, with an average temperature fluctuating between 88.5°F (31.4°C) and 72.5°F (22.5°C).

Temperature

September's onset brings an average high-temperature of a still hot 88.5°F (31.4°C), showing a minute difference from August's 91°F (32.8°C). Keuka in September experiences a low-temperature average of 72.5°F (22.5°C).

Heat index

For September, the heat index is evaluated at an extremely hot 105.8°F (41°C). Greater preventive actions are needed, heat exhaustion and heat cramps are likely. Persistent activity could provoke heatstroke.
Data suggests that the heat index is set for environments in shade and with a light wind. Heat index values have the potential to be boosted by 15 Fahrenheit (8 Celsius) degrees due to direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', is an estimation of the warmth sensation when considering humidity levels. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly important for children. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
Perspiring is a crucial mechanism for the human body, allowing it to release excessive warmth through evaporating sweat. High relative humidity reduces the evaporation rate, resulting in a lower heat removal rate from the body, causing the perception of being overheated. If the body retains more heat than it can expel, the increasing temperature can lead to heat-related conditions.

Humidity

September is the most humid month in Keuka, with an average relative humidity of 78%.

Rainfall

In Keuka, during September, the rain falls for 13.6 days and regularly aggregates up to 0.55" (14mm) of precipitation. In Keuka, during the entire year, the rain falls for 118.9 days and collects up to 8.23" (209mm) of precipitation.

Snowfall

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

Daylight

The average length of the day in September is 12h and 20min.
On the first day of the month, sunrise is at 7:05 am and sunset at 7:49 pm. On the last day of September, in Keuka, Florida, sunrise is at 7:20 am and sunset at 7:14 pm EDT.

Sunshine

In September, the average sunshine is 8.4h.

UV index

In Keuka, the average daily maximum UV index in September is 6. A UV Index of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum UV index of 6 during September translates into these guidelines:
Sustain precautions and conform to sun safety norms. Preventing sunburn is necessary. UV radiation from the sun is at its strongest between 10 a.m. and 4 p.m. Try to limit direct exposure during these hours. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Updated: Feb 10, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How hot does it get in Keuka in September?

In Keuka, in September, the average high-temperature is 88.5°F (31.4°C), and the average low-temperature is 72.5°F (22.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 105.8°F (41°C).

What is the most humid month in Keuka?

September is the most humid month in Keuka, Florida, with an average relative humidity of 78%.

What is the average humidity in September in Keuka?

In September, the average relative humidity is 78%.

How much does it rain in Keuka in September?

In Keuka, Florida, during September, the rain falls for 13.6 days and regularly aggregates up to 0.55" (14mm) of precipitation.

When it does not snow in Keuka?

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

How many hours of daylight does Keuka have in September?

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

When is the sunrise / sunset in September in Keuka?

In September, on the first day of the month, sunrise is at 7:05 am and sunset at 7:49 pm. On the last day of the month, in Keuka, Florida, sunrise is at 7:20 am and sunset at 7:14 pm EDT.

How long on average sun shines in September in Keuka?

In September, the average sunshine duration is 8.4h.

How high is the UV index in September in Keuka?

The average daily maximum UV index in September in Keuka is 6. A UV Index of 6 to 7 symbolizes a high hazard to health from exposure to Sun's UV rays.
Average max. wind speed
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Keuka, FL

Average temperature in September - Keuka, FL
  • Average high temperature in September: 88.5°F

The warmest months (with the highest average high temperature) are July and August (91°F).
The month with the lowest average high temperature is January (65.5°F).

  • Average low temperature in September: 72.5°F

The month with the highest average low temperature is August (75.2°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).

Average pressure in September
Keuka, FL

Average pressure in September - Keuka, FL
  • Average pressure in September: 29.97"Hg

The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is September (29.97"Hg).

Average wind speed in September
Keuka, FL

Average wind speed in September - Keuka, FL
  • Average wind speed in September: 4.7mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is July (4.3mph).

Average humidity in September
Keuka, FL

Average humidity in September - Keuka, FL
  • Average humidity in September: 78%

The month with the highest relative humidity is September (78%).
The month with the lowest relative humidity is March (71%).

Average rainfall in September
Keuka, FL

Average rainfall in September - Keuka, FL
  • Average rainfall in September: 0.55"

The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is March (0.24").

Average rainfall days in September
Keuka, FL

Average rainfall days in September - Keuka, FL
  • Average rainfall days in September: 13.6 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (5 days).

Average snowfall days in September
Keuka, FL

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

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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

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

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in September: 8h and 2min

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

Average sunshine days in September
Keuka, FL

Average sunshine days in September - Keuka, FL
  • Average sunshine days in September: 11.1 days

The month with the most sunshine days is December (23.4 days).
The month with the least sunshine days is August (8.3 days).

Average UV index in September
Keuka, FL

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

The months with the highest UV index are May, June, July and August (UV index 7).
The month with the lowest UV index is January (UV index 4).

Average cloud cover in September
Keuka, FL

Average cloud cover in September - Keuka, FL
  • Average cloud cover in September: 35

The months with the most cloud cover are February and December (Cloud cover 40).
The months with the least cloud cover are May and October (Cloud cover 32).

Average visibility in September
Keuka, FL

Average visibility in September - Keuka, FL
  • Average visibility in September: 6mi

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

Keuka, Florida, USA

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