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
As August shifts into September, a minor alteration in temperatures is observed, with average highs reducing from a tropical 86.2°F (30.1°C) to a warm 80.8°F (27.1°C). Allenville records a consistent low-temperature of 61.2°F (16.2°C) during September nights.Heat index
Throughout September, the heat index is evaluated at 84.2°F (29°C). If one continues to be active during enduring exposure, it could result in fatigue and heat cramps.It is crucial to understand that heat index figures are for shade and gentle wind conditions. In the presence of direct sunshine, the heat index could be augmented by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', determines the feeling of heat when you account for the relative humidity. Additional factors encompassing metabolic differences, the level of physical activity, and clothing can impact the individual's perception of temperature. Direct exposure to sun rays can potentially augment the heat sensation, elevating the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Children typically face more danger than adults as their sweat production is usually lower. Additionally, the bigger skin surface compared to their small size and the increased heat due to their activeness exacerbate the risk.
Humidity
The average relative humidity in September is 73%.Rainfall
September is the month with the least rainfall in Allenville. Rain falls for 11.4 days and accumulates 1.57" (40mm) of precipitation.Snowfall
In Allenville, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:30 am and sunset at 7:27 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 6:43 pm CDT.
Sunshine
In Allenville, the average sunshine in September is 9.6h.UV index
The average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In September, a daily UV index of 5 turns into the following recommendations:
Undertake precautions - It is suggested to shield oneself from sunburn. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the average September temperature in Allenville?
What is the average humidity in September in Allenville?
What is the driest month in Allenville?
How many days does it rain in September in Allenville?
When it does not snow in Allenville?
Does it snow in Allenville in September?
How many hours of daylight does Allenville have in September?
When is the sunrise / sunset in September in Allenville?
How many hours of sunshine does Allenville have in September?
How high is the UV index in September in Allenville?
Average temperature in September
Allenville, MO
- Average high temperature in September: 80.8°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 (41°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in September
Allenville, MO
- Average pressure in September: 30.02"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
Allenville, MO
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January and February (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Allenville, MO
- Average humidity in September: 73%
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
Allenville, MO
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is April (4.33").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Allenville, MO
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in September
Allenville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.17").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Allenville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (3.7 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
Allenville, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
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 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 48min).
Average sunshine days in September
Allenville, MO
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is July (11.9 days).
Average UV index in September
Allenville, 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, February and December (UV index 2).
Average cloud cover in September
Allenville, MO
- Average cloud cover in September: 27
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, August and September (Cloud cover 27).
Average visibility in September
Allenville, 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).
Allenville, Missouri, USA
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