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
The transition into September involves a small decrease in the average high-temperature, dipping slightly from 83.8°F (28.8°C) in August to a still moderately hot 78.3°F (25.7°C). An average low-temperature of 59°F (15°C) is expected in Huntsville during September.Humidity
In September, the average relative humidity is 74%.Rainfall
In Huntsville, Missouri, during September, the rain falls for 11.6 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, in Huntsville, Missouri, there are 134.8 rainfall days, and 27.6" (701mm) of precipitation is accumulated.Snowfall
January through April, September through December are months with snowfall in Huntsville, Missouri. September is the first month it typically snows in Huntsville. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Huntsville, during the entire year, snow falls for 21.2 days and aggregates up to 8.62" (219mm) of snow.Daylight
In Huntsville, Missouri, the average length of the day in September is 12h and 26min.On the first day of September in Huntsville, sunrise is at 6:39 am and sunset at 7:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 6:53 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September in Huntsville, Missouri, is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Prioritize safety - Recommendations to avert sunburn are shared. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Frequently asked questions
What is the average September temperature in Huntsville?
What is the average humidity in September in Huntsville?
How much does it rain in Huntsville in September?
When does it start to snow in Huntsville?
How many hours of daylight does Huntsville have in September?
What time are sunrise and sunset in September in Huntsville?
How many hours of sunshine does Huntsville have in September?
What is the UV index reading in September in Huntsville?
Average temperature in September
Huntsville, MO
- Average high temperature in September: 78.3°F
The warmest month (with the highest average high temperature) is July (84.9°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 59°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Huntsville, 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 (29.91"Hg).
Average wind speed in September
Huntsville, MO
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is March (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in September
Huntsville, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Huntsville, MO
- Average rainfall in September: 2.4"
The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in September
Huntsville, MO
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in September
Huntsville, MO
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (3.15").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Huntsville, MO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (6.9 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Huntsville, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in September
Huntsville, MO
- Average sunshine days in September: 17.4 days
The month with the most sunshine days is December (20.9 days).
The months with the least sunshine days are May and June (12.8 days).
Average UV index in September
Huntsville, 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, February, November and December (UV index 2).
Average cloud cover in September
Huntsville, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is July (Cloud cover 28).
Average visibility in September
Huntsville, 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).
Huntsville, Missouri, USA
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