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
In September, the average high-temperature marginally decreases from a hot 87.4°F (30.8°C) in August to a moderately hot 80.6°F (27°C). Despite the intense daytime heat, Steelville sustains a steady low-temperature average of 59°F (15°C) during September.Heat index
During September, the heat index is evaluated at 84.2°F (29°C). If exposure and activity are sustained, they might cause a feeling of weariness, resulting in heat cramps.Factoring in the heat index, values are geared towards shaded areas with light breezes. Exposure to the direct sun could elevate the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'real feel' or 'felt air temperature', is found by incorporating humidity levels into the air temperature measurement. The impression of weather on a person can be swayed by additional aspects, including metabolic variations, pregnancy, and activity levels. When directly under the sun, the weather's impact can intensify, possibly boosting the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially crucial for babies and toddlers. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
The average relative humidity in September is 74%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 1.81" (46mm) of precipitation is accumulated. Throughout the year, there are 145.9 rainfall days, and 30.31" (770mm) of precipitation is accumulated.Snowfall
In Steelville, snow does not fall in April through October.Daylight
In September, the average length of the day in Steelville is 12h and 25min.On the first day of September in Steelville, sunrise is at 6:35 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 6:49 pm CDT.
Sunshine
In September, the average sunshine in Steelville is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Preventative actions are necessary - Recommendations to ward off sunburn are given. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
Frequently asked questions
What is the temperature in September in Steelville?
What is the average humidity in September in Steelville?
How many days does it rain in September in Steelville?
When it does not snow in Steelville?
How many hours of daylight does Steelville have in September?
When are sunrise and sunset in September in Steelville?
How many hours of sunshine does Steelville have in September?
What is the UV index reading in September in Steelville?
Average temperature in September
Steelville, MO
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (67.5°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Steelville, 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 (29.92"Hg).
Average wind speed in September
Steelville, MO
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Steelville, MO
- Average humidity in September: 74%
The months with the highest relative humidity are March, May and December (77%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Steelville, MO
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in September
Steelville, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (7.5 days).
Average snowfall in September
Steelville, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Steelville, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.3 days).
The months with the least snowfall days are April, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Steelville, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in September: 9h and 2min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).
Average sunshine days in September
Steelville, MO
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in September
Steelville, 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
Steelville, MO
- Average cloud cover in September: 33
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Steelville, MO
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Steelville, Missouri, USA
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