Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The arrival of September sees a recorded average high-temperature of a moderately hot 85.3°F (29.6°C), showing little divergence from the previous month's conditions. Glen Ridge's September nights exhibit a subtle drop in temperature, averaging at 79.3°F (26.3°C), closely aligned with the daytime highs.Heat index
For September, the heat index is evaluated at a torrid 95°F (35°C). Additional precautions are required to avert heat cramps and heat exhaustion. Persistent activity may culminate in heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index may experience an enhancement of 15 Fahrenheit (8 Celsius) degrees under direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', quantifies the warmth felt when relative humidity is considered. Factors encompassing physical activity, clothing, and metabolic differences have a role in shaping the individual's impression of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are quite important for children. Young children are more at risk than adults since they tend to sweat less. Moreover, their large skin surface in proportion to their small bodies and the high heat production due to their activities contribute to their vulnerability.
Humans rely on perspiration as a cooling mechanism, wherein the evaporating sweat counteracts excessive warmth. Higher relative humidity impedes evaporation, thus reducing heat dispersion from the body, culminating in a sensation of overheating. The body faces dehydration threats when its cooling efforts are outpaced by excessive heat gain.
Humidity
In Glen Ridge, the average relative humidity in September is 75%.Rainfall
In September, in Glen Ridge, the rain falls for 25.9 days. Throughout September, 8.31" (211mm) of precipitation is accumulated. Throughout the year, there are 238.4 rainfall days, and 58.82" (1494mm) of precipitation is accumulated.Daylight
In September, the average length of the day is 12h and 18min.On the first day of September, sunrise is at 7:00 am and sunset at 7:39 pm. On the last day of the month, sunrise is at 7:12 am and sunset at 7:07 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
The months with the highest UV index are May through September, with an average maximum UV index of 7. A UV Index of 6 to 7 symbolizes a high threat to health from unsafe exposure to UV radiation for the average person.Note: The daily maximum UV index of 7 in September interprets into the following advice:
Avoid excessive sunlight. Those with lighter skin may experience burning in less than 20 minutes. UV radiation from the Sun is most intense between 10 a.m. and 4 p.m. Try to avoid direct sunlight during this period. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage.
Frequently asked questions
How hot is September in Glen Ridge?
What is the average humidity in September in Glen Ridge?
How much does it rain in Glen Ridge in September?
What is the average length of the day in September in Glen Ridge?
When are sunrise and sunset in September in Glen Ridge?
How many hours of sunshine does Glen Ridge have in September?
When is the highest UV index in Glen Ridge?
What is the UV index intensity in September in Glen Ridge?
Average temperature in September
Glen Ridge, FL
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is August (87.3°F).
The month with the lowest average high temperature is January (72.1°F).
- Average low temperature in September: 79.3°F
The month with the highest average low temperature is August (81.3°F).
The coldest month (with the lowest average low temperature) is January (63.1°F).
Average pressure in September
Glen Ridge, FL
- Average pressure in September: 29.96"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The months with the lowest atmospheric pressure are September and October (29.96"Hg).
Average wind speed in September
Glen Ridge, FL
- Average wind speed in September: 8.1mph
The windiest months (with the highest average wind speed) are January and March (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.3mph).
Average humidity in September
Glen Ridge, FL
- Average humidity in September: 75%
The months with the highest relative humidity are June and December (76%).
The month with the lowest relative humidity is March (70%).
Average rainfall in September
Glen Ridge, FL
- Average rainfall in September: 8.31"
The wettest month (with the highest rainfall) is August (10.04").
The driest month (with the least rainfall) is January (1.61").
Average rainfall days in September
Glen Ridge, FL
- Average rainfall days in September: 25.9 days
The month with the highest number of rainy days is August (27.5 days).
The month with the least rainy days is February (12.8 days).
Average daylight in September /
Average sunshine in September
Glen Ridge, FL
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Glen Ridge, FL
- Average sunshine days in September: 2.9 days
The months with the most sunshine days are January and March (13.3 days).
The month with the least sunshine days is July (2.1 days).
Average UV index in September
Glen Ridge, FL
- Average UV index in September: 7
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January and February (UV index 5).
Average cloud cover in September
Glen Ridge, FL
- Average cloud cover in September: 30
The months with the most cloud cover are November and December (Cloud cover 35).
The months with the least cloud cover are April, May and July (Cloud cover 28).
Average visibility in September
Glen Ridge, FL
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Glen Ridge, Florida, USA
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