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
The arrival of September corresponds with a light shift in temperature, down from a tropical 90.9°F (32.7°C) in August to a moderately hot 84.2°F (29°C). During September, Porter witnesses a consistent average low-temperature of 64°F (17.8°C).Heat index
The heat index in September is appraised at a tropical 91.4°F (33°C). Apply extra caution, heat cramps and heat exhaustion could happen. Heatstroke might occur with long-duration activity.Heat index data is primarily for areas with shade and subjected to light winds. If exposed to direct sunlight, the heat index could climb by up to 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', is the result of factoring in humidity to the air temperature, indicating perceived warmth. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Direct sun rays can make one feel hotter, potentially raising the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values hold great significance to children. Children commonly overlook the importance of rest and fluid replenishment. Thirst, being a delayed sign of dehydration, emphasizes the need to keep hydration up, especially during lengthy physical activities.
Humidity
In Porter, the average relative humidity in September is 70%.Rainfall
In September, the rain falls for 8.1 days. Throughout September, 0.63" (16mm) of precipitation is accumulated. Throughout the year, there are 92.3 rainfall days, and 9.49" (241mm) of precipitation is accumulated.Snowfall
In Porter, snow does not fall in April through November.Daylight
In September, the average length of the day in Porter is 12h and 23min.On the first day of September, sunrise is at 6:54 am and sunset at 7:49 pm. On the last day of the month, sunrise is at 7:16 am and sunset at 7:06 pm CDT.
Sunshine
In September, the average sunshine in Porter is 9.1h.UV index
In Porter, the average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Act with care - The need to guard against sun damage is communicated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Frequently asked questions
How hot does it get in Porter in September?
What is the average humidity in September in Porter?
How much does it rain in Porter in September?
When it does not snow in Porter?
How many hours of daylight does Porter have in September?
When are sunrise and sunset in September in Porter?
How many hours of sunshine does Porter have in September?
What is the UV index intensity in September in Porter?
Average temperature in September
Porter, OK
- Average high temperature in September: 84.2°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (46.9°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (72.1°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).
Average pressure in September
Porter, OK
- Average pressure in September: 29.99"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in September
Porter, OK
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is March (10.6mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Porter, OK
- Average humidity in September: 70%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is August (67%).
Average rainfall in September
Porter, OK
- Average rainfall in September: 0.63"
The wettest month (with the highest rainfall) is May (1.57").
The driest months (with the least rainfall) are February and December (0.47").
Average rainfall days in September
Porter, OK
- Average rainfall days in September: 8.1 days
The month with the highest number of rainy days is May (10.8 days).
The month with the least rainy days is December (4.5 days).
Average snowfall in September
Porter, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.35").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in September
Porter, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (1.6 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
Porter, OK
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is August (Average sunshine: 11h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 36min).
Average sunshine days in September
Porter, OK
- Average sunshine days in September: 19.7 days
The month with the most sunshine days is December (24.5 days).
The month with the least sunshine days is May (17.2 days).
Average UV index in September
Porter, OK
- Average UV index in September: 5
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
Porter, OK
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 20).
Average visibility in September
Porter, 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).
Porter, Oklahoma, USA
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