September weather forecastPoplar Bluff, MO
September
Weather in September
September, the first month of the autumn in Poplar Bluff, is still a warm month, with an average temperature varying between 62.2°F (16.8°C) and 81.7°F (27.6°C).Temperature
The ushering in of September brings an average high-temperature of a warm 81.7°F (27.6°C), closely mirroring the 86.9°F (30.5°C) of August. Poplar Bluff records an average low-temperature of 62.2°F (16.8°C) throughout the month of September.Heat index
In September, the average heat index is estimated at a hot 86°F (30°C). With prolonged exposure and constant activity, one might feel exhausted and experience heat cramps.It is emphasized that the heat index's values are meant for shaded zones with mild winds. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'apparent temperature', marries air temperature and humidity to produce a value illustrating perceived warmth. Factors including metabolic differences, physical activity, and clothing are additional elements that influence the individual's temperature experience. One must note that being under the direct sun can escalate the heat's effects, with the heat index possibly rising by 15 Fahrenheit (8 Celsius) degrees. Heat index values remain especially vital for babies and toddlers. Juveniles often do not understand the need to recuperate and rehydrate. Thirst is a delayed symptom of dehydration - hence, it is vital to maintain hydration, particularly during ongoing physical activities.
Humidity
In September, the average relative humidity is 72%.Rainfall
In Poplar Bluff, during September, the rain falls for 9.3 days and regularly aggregates up to 0.87" (22mm) of precipitation. In Poplar Bluff, during the entire year, the rain falls for 124.5 days and collects up to 16.38" (416mm) of precipitation.Snowfall
In Poplar Bluff, snow does not fall in April through October.Daylight
In Poplar Bluff, the average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:33 am and sunset at 7:29 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 6:45 pm CDT.
Sunshine
The average sunshine in September is 9.9h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk 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:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Poplar Bluff, MO
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (42.8°F).
- Average low temperature in September: 62.2°F
The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).
Average pressure in September
Poplar Bluff, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Poplar Bluff, MO
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is February (9.1mph).
The calmest month (with the lowest average wind speed) is August (5.6mph).
Average humidity in September
Poplar Bluff, MO
- Average humidity in September: 72%
The months with the highest relative humidity are March and May (78%).
The month with the lowest relative humidity is October (69%).
Average rainfall in September
Poplar Bluff, MO
- Average rainfall in September: 0.87"
The wettest month (with the highest rainfall) is May (2.17").
The driest month (with the least rainfall) is December (0.75").
Average rainfall days in September
Poplar Bluff, MO
- Average rainfall days in September: 9.3 days
The months with the highest number of rainy days are May and July (14.3 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Poplar Bluff, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.39").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Poplar Bluff, MO
- 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
Poplar Bluff, MO
- Average daylight in September: 12h and 24min
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 42min).
- Average sunshine in September: 9h and 54min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in September
Poplar Bluff, MO
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is January (22.5 days).
The month with the least sunshine days is July (13.8 days).
Average UV index in September
Poplar Bluff, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in September
Poplar Bluff, MO
- Average cloud cover in September: 26
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Poplar Bluff, MO
- 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).
