September weather forecastKeuka, FL
September
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.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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: 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: 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: 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: 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: 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: 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: 12h and 18min
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 24min
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: 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: 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: 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: 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).
