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
A moderate decline in average high-temperatures is noted in September, moving from a tropical 88.9°F (31.6°C) in August to a warm 81.1°F (27.3°C). September nights are marked by an average temperature drop to a comfortable 61.7°F (16.5°C).Heat index
The heat index value for September is evaluated at a hot 86°F (30°C). Ongoing exposure and activity could lead to a state of exhaustion, with a chance of heat cramps.Heat index readings emphasize conditions of light breezes and shaded spots. Exposure to direct sunlight may make the heat index values climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'apparent temperature', combines both the air temperature and the humidity level to give a perceived human temperature. One's perception of temperature can vary depending on physical activity and individual heat sensitivity, influenced by factors like wind, attire, and metabolic variations. Direct sun rays have a notable impact on perceived temperature, which can raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are extremely significant for children. Juveniles are regularly less conscious of the need to recuperate and rehydrate. Thirst is a tardy symptom of dehydration - hydration, especially during lengthy physical activities, should be maintained.
Humidity
In Anderson, the average relative humidity in September is 72%.Rainfall
In September, the rain falls for 12.8 days. Throughout September, 2.24" (57mm) of precipitation is accumulated. In Anderson, during the entire year, the rain falls for 140.1 days and collects up to 29.29" (744mm) of precipitation.Snowfall
In Anderson, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 24min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:45 pm. On the last day of September, sunrise is at 7:12 am and sunset at 7:02 pm CDT.
Sunshine
The average sunshine in September is 9.4h.UV index
In Anderson, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for the average person.Note: In September, an average UV index of 5 transforms into the following instructions:
Make use of precautions - Shielding skin and eyes from injury is a requirement. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Anderson in September?
What is the average humidity in September in Anderson?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Anderson have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Anderson, MO
- Average high temperature in September: 81.1°F
The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (43.9°F).
- Average low temperature in September: 61.7°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 (28.2°F).
Average pressure in September
Anderson, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Anderson, MO
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is April (10.5mph).
The calmest month (with the lowest average wind speed) is July (6.8mph).
Average humidity in September
Anderson, MO
- Average humidity in September: 72%
The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in September
Anderson, MO
- Average rainfall in September: 2.24"
The wettest month (with the highest rainfall) is May (4.29").
The driest months (with the least rainfall) are February and November (1.54").
Average rainfall days in September
Anderson, MO
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is December (6.8 days).
Average snowfall in September
Anderson, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.06").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Anderson, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Anderson, 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 2min
The months with the most sunshine are July and August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Anderson, MO
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (21.2 days).
The months with the least sunshine days are May and July (12.9 days).
Average UV index in September
Anderson, MO
- Average UV index in September: 5
The months with the highest UV index are 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
Anderson, MO
- Average cloud cover in September: 27
The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 24).
Average visibility in September
Anderson, 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).
Anderson, Missouri, USA
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