September weather forecastPilot Knob, MO
September
Weather in September
September, the first month of the autumn in Pilot Knob, is still a warm month, with an average temperature fluctuating between 58.6°F (14.8°C) and 80.2°F (26.8°C).Temperature
September witnesses a gentle descent in average high-temperature, descending from August's hot 86.7°F (30.4°C) to a warm 80.2°F (26.8°C). The temperature notes a substantial fall from the daily peak to an average of 58.6°F (14.8°C) during September nights.Humidity
The average relative humidity in September is 75%.Rainfall
The month with the least rainfall is September, when the rain falls for 12.8 days and typically collects 1.61" (41mm) of precipitation.Snowfall
In Pilot Knob, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September, sunrise is at 6:33 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine is 9.3h.UV index
In Pilot Knob, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 5 in September transforms into the following instructions:
Put precautions into practice - Protective measures against sun-induced damage are advised. When the Sun is at its strongest around midday, find shade and limit exposure. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pilot Knob, MO
- Average high temperature in September: 80.2°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Pilot Knob, 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 (29.93"Hg).
Average wind speed in September
Pilot Knob, MO
- Average wind speed in September: 5.2mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in September
Pilot Knob, MO
- Average humidity in September: 75%
The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Pilot Knob, MO
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (3.7").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Pilot Knob, MO
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is July (16.9 days).
The month with the least rainy days is January (7.8 days).
Average snowfall in September
Pilot Knob, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Pilot Knob, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.2 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
Pilot Knob, MO
- Average daylight in September: 12h and 24min
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 36min).
- Average sunshine in September: 9h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Pilot Knob, MO
- Average sunshine days in September: 15.6 days
The month with the most sunshine days is October (18.7 days).
The month with the least sunshine days is July (12.1 days).
Average UV index in September
Pilot Knob, 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, November and December (UV index 2).
Average cloud cover in September
Pilot Knob, MO
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Pilot Knob, 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).
