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
September's arrival correlates with a reduction in the average high-temperature, down from a hot 94.1°F (34.5°C) in August to a warm 84.9°F (29.4°C). An average low-temperature of 65.8°F (18.8°C) marks the nights throughout September.Heat index
September's mean heat index is calculated to be a hot 89.6°F (32°C). With constant exposure and activity, a state of weariness might ensue, leading to potential heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. The direct sun can potentially cause the heat index to increase by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'apparent temperature', unifies temperature and humidity readings to offer a comprehensive feel of warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Sunshine, when direct, has the potential to intensify weather effects, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are of high significance for children. Young ones often do not realize the necessity to rest and replenish their fluids. Thirst is a delayed indication of dehydration - keeping hydrated, particularly in prolonged physical activity, is crucial.
Humidity
The average relative humidity in September is 64%.Rainfall
In September, the rain falls for 8.9 days. Throughout September, 1.18" (30mm) of precipitation is accumulated. In Amber, during the entire year, the rain falls for 85.1 days and collects up to 10.79" (274mm) of precipitation.Snowfall
May through November are months without snowfall in Amber.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 7:04 am and sunset at 7:57 pm. On the last day of September, sunrise is at 7:26 am and sunset at 7:16 pm CDT.
Sunshine
In September, the average sunshine is 8.6h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The UV index of 5 during September translates into the following guidance:
Undertake precautions - Guarding against sun damage is counselled. It's recommended to limit sun exposure when its radiation is at its peak during midday. During bright days, sunglasses that offer UVA and UVB defense are recommended.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it hot during September?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Amber, OK
- Average high temperature in September: 84.9°F
The warmest months (with the highest average high temperature) are July and August (94.1°F).
The month with the lowest average high temperature is January (49.8°F).
- Average low temperature in September: 65.8°F
The month with the highest average low temperature is July (73.6°F).
The coldest month (with the lowest average low temperature) is January (32.4°F).
Average pressure in September
Amber, OK
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.87"Hg).
Average wind speed in September
Amber, OK
- Average wind speed in September: 8.7mph
The windiest month (with the highest average wind speed) is April (12.2mph).
The calmest month (with the lowest average wind speed) is August (8.5mph).
Average humidity in September
Amber, OK
- Average humidity in September: 64%
The month with the highest relative humidity is May (72%).
The month with the lowest relative humidity is August (57%).
Average rainfall in September
Amber, OK
- Average rainfall in September: 1.18"
The wettest month (with the highest rainfall) is May (2.05").
The driest month (with the least rainfall) is February (0.31").
Average rainfall days in September
Amber, OK
- Average rainfall days in September: 8.9 days
The month with the highest number of rainy days is May (12.2 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in September
Amber, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are May, June, July, August, September, October and November (0").
Average snowfall days in September
Amber, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.3 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
Amber, 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 48min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is July (Average sunshine: 11h and 18min).
The month with the least sunshine is December (Average sunshine: 6h and 6min).
Average sunshine days in September
Amber, OK
- Average sunshine days in September: 18.7 days
The month with the most sunshine days is January (26.7 days).
The month with the least sunshine days is May (15.8 days).
Average UV index in September
Amber, OK
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Amber, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 35).
The month with the least cloud cover is August (Cloud cover 18).
Average visibility in September
Amber, 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).
Amber, Oklahoma, USA
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