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
Portageville notes an average high-temperature of a warm 81.7°F (27.6°C) in September, hardly diverging from August. Portageville observes an average low-temperature of 63°F (17.2°C) during September.Heat index
The average heat index in September is appraised at a hot 86°F (30°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.Realize that the values for the heat index are set for shaded places and light 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', is an estimation of the warmth sensation when considering humidity levels. Depending on the activity and the individual's heat perception, which may vary due to factors including wind, clothing, and metabolic variations, this effect remains subjective. It is essential to realize that direct sunlight can escalate the perceived temperature, increasing the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
The average relative humidity in September in Portageville is 72%.Rainfall
September is the month with the least rainfall in Portageville, Missouri. Rain falls for 11.3 days and accumulates 1.57" (40mm) of precipitation.Snowfall
April through September are months without snowfall in Portageville.Daylight
In Portageville, the average length of the day in September is 12h and 24min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:26 pm. On the last day of September, in Portageville, sunrise is at 6:53 am and sunset at 6:43 pm CDT.
Sunshine
In September, the average sunshine is 9.7h.UV index
In Portageville, Missouri, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum high daily UV index of 5 during September translates into the following directions:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Frequently asked questions
What is the usual temperature for Portageville in September?
What is the average humidity in September in Portageville?
What is the driest month in Portageville?
How many days does it rain in September in Portageville?
When it does not snow in Portageville?
Does it snow in Portageville in September?
What is the average length of the day in September in Portageville?
What time are sunrise and sunset in September in Portageville?
How many hours of sunshine does Portageville have in September?
How high is the UV index in September in Portageville?
Average temperature in September
Portageville, MO
- Average high temperature in September: 81.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (43.2°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).
Average pressure in September
Portageville, 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 (29.94"Hg).
Average wind speed in September
Portageville, MO
- Average wind speed in September: 6.5mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Portageville, MO
- Average humidity in September: 72%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (68%).
Average rainfall in September
Portageville, MO
- Average rainfall in September: 1.57"
The wettest months (with the highest rainfall) are March and April (4.37").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Portageville, MO
- Average rainfall days in September: 11.3 days
The months with the highest number of rainy days are May and July (16.2 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Portageville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.42").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Portageville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.8 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
Portageville, MO
- 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 42min).
- Average sunshine in September: 9h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Portageville, MO
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in September
Portageville, MO
- Average UV index in September: 5
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in September
Portageville, MO
- Average cloud cover in September: 27
The months with the most cloud cover are February and March (Cloud cover 47).
The month with the least cloud cover is June (Cloud cover 24).
Average visibility in September
Portageville, 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).
Portageville, Missouri, USA
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