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 snowfall in September
- Average snowfall 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
With the onset of September, Forest Hill's average high-temperature slightly adjusts, moderately receding from August's hot 92.5°F (33.6°C) to a warm 85.5°F (29.7°C). Contrary to the day's heat, an average low-temperature of 63.3°F (17.4°C) is recorded during the nights in September in Forest Hill.Heat index
The heat index value during September is estimated at a tropical 93.2°F (34°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.Metrics for the heat index primarily focus on shaded spots and light wind conditions. Direct sunlight can potentially boost the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'feels like', is a numerical representation of warmth when taking temperature and moisture levels into account. The perception of temperature can be subjective, varying based on activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. 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 hold particular importance for children. Young children typically face greater hazards than adults because they do not sweat as much. Their larger skin surface in comparison to their little bodies and the high heat production from their active nature compounds their vulnerability.
Humidity
The average relative humidity in September is 70%.Rainfall
In Forest Hill, in September, it is raining for 11.7 days, with typically 2.52" (64mm) of accumulated precipitation. In Forest Hill, during the entire year, the rain falls for 146.2 days and collects up to 33.62" (854mm) of precipitation.Snowfall
In Forest Hill, snow does not fall in April through November.Daylight
In Forest Hill, the average length of the day in September is 12h and 23min.On the first day of September, sunrise is at 6:51 am and sunset at 7:44 pm. On the last day of the month, sunrise is at 7:13 am and sunset at 7:03 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In Forest Hill, the average daily maximum UV index in September is 6. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In September, the average maximum UV index of 6 translates into the following recommendations:
Persist with safeguards and heed sun safety doctrines. Keeping sunburn at bay is of prime importance. Limit your direct sun exposure, especially between 10 a.m. and 4 p.m., when UV radiation is strongest. Shade structures might not provide complete sun protection. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
How hot is it in Forest Hill in September?
What is the average humidity in September in Forest Hill?
How much does it rain in Forest Hill in September?
When it does not snow in Forest Hill?
What is the average length of the day in September in Forest Hill?
What time are sunrise and sunset in September in Forest Hill?
How long on average sun shines in September in Forest Hill?
What is the UV index intensity in September in Forest Hill?
Average temperature in September
Forest Hill, OK
- Average high temperature in September: 85.5°F
The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (49.1°F).
- Average low temperature in September: 63.3°F
The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (32.2°F).
Average pressure in September
Forest Hill, OK
- Average pressure in September: 30"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Forest Hill, OK
- Average wind speed in September: 5.3mph
The windiest month (with the highest average wind speed) is April (8.1mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Forest Hill, OK
- Average humidity in September: 70%
The months with the highest relative humidity are February, March and May (76%).
The month with the lowest relative humidity is August (69%).
Average rainfall in September
Forest Hill, OK
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (4.13").
The driest month (with the least rainfall) is January (1.97").
Average rainfall days in September
Forest Hill, OK
- Average rainfall days in September: 11.7 days
The month with the highest number of rainy days is August (14.9 days).
The month with the least rainy days is November (9 days).
Average snowfall in September
Forest Hill, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Forest Hill, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Forest Hill, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in September
Forest Hill, OK
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (13.2 days).
Average UV index in September
Forest Hill, OK
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Forest Hill, OK
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 46).
The months with the least cloud cover are June and August (Cloud cover 25).
Average visibility in September
Forest Hill, OK
- 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).
Forest Hill, Oklahoma, USA
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