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 onset of September aligns with a soft reduction in the average high-temperature, gently falling from a tropical 93.9°F (34.4°C) in August to a warm 85.3°F (29.6°C). Throughout the nights in September, an average low-temperature of 66.2°F (19°C) is noted.Heat index
September's average heat index is estimated at a hot 89.6°F (32°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Records show heat index calculations are tailored for shaded regions and mild winds. Direct exposure to sunlight could raise the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'real feel', combines both the air temperature and the humidity level to give a perceived human temperature. A person's impression of weather can be shaped by many aspects, among them metabolic variations, pregnancy, and levels of physical activity. Direct exposure to the sun's rays can enhance the felt temperature, increasing the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for babies and toddlers. Young people are generally more susceptible than adults because they perspire less. Furthermore, their proportionally larger skin surface to their petite bodies and the increased heat output from their actions add to the risk.
Humidity
In Dover, the average relative humidity in September is 62%.Rainfall
In Dover, in September, during 11.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Dover, during the entire year, the rain falls for 107 days and collects up to 20.75" (527mm) of precipitation.Snowfall
April through September are months without snowfall in Dover.Daylight
In September, the average length of the day is 12h and 23min.On the first day of September, sunrise is at 7:04 am and sunset at 7:58 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 7:16 pm CDT.
Sunshine
In September, the average sunshine in Dover is 8.7h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear.
Frequently asked questions
How hot is it in Dover in September?
What is the average humidity in September in Dover?
How many days does it rain in September in Dover?
When it does not snow in Dover?
Does it snow in Dover in September?
How many hours of daylight does Dover have in September?
What time are sunrise and sunset in September in Dover?
How long on average sun shines in September in Dover?
How high is the UV index in September in Dover?
Average temperature in September
Dover, OK
- Average high temperature in September: 85.3°F
The warmest month (with the highest average high temperature) is July (95.4°F).
The month with the lowest average high temperature is January (48°F).
- Average low temperature in September: 66.2°F
The month with the highest average low temperature is July (74.8°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).
Average pressure in September
Dover, OK
- Average pressure in September: 29.98"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
Dover, OK
- Average wind speed in September: 9mph
The windiest month (with the highest average wind speed) is April (11.9mph).
The calmest month (with the lowest average wind speed) is August (8.6mph).
Average humidity in September
Dover, OK
- Average humidity in September: 62%
The month with the highest relative humidity is May (69%).
The month with the lowest relative humidity is August (56%).
Average rainfall in September
Dover, OK
- Average rainfall in September: 2.52"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is December (0.71").
Average rainfall days in September
Dover, OK
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (13 days).
The month with the least rainy days is January (3.8 days).
Average snowfall in September
Dover, OK
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Dover, OK
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Dover, 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: 8h and 4min
The months with the most sunshine are June and July (Average sunshine: 11h and 12min).
The month with the least sunshine is December (Average sunshine: 6h and 12min).
Average sunshine days in September
Dover, OK
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is January (24.4 days).
The month with the least sunshine days is April (15.8 days).
Average UV index in September
Dover, 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
Dover, OK
- Average cloud cover in September: 26
The month with the most cloud cover is March (Cloud cover 36).
The month with the least cloud cover is June (Cloud cover 18).
Average visibility in September
Dover, 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).
Dover, Oklahoma, USA
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