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 meteorological conditions change slightly, with the average high-temperature moving from a tropical 86°F (30°C) in August to a moderately hot 79.7°F (26.5°C). September brings with it a nighttime average temperature of 59.2°F (15.1°C).Humidity
In Truesdale, the average relative humidity in September is 74%.Rainfall
In Truesdale, during September, the rain falls for 11.3 days and regularly aggregates up to 1.61" (41mm) of precipitation. In Truesdale, during the entire year, the rain falls for 141.4 days and collects up to 24.69" (627mm) of precipitation.Snowfall
January through April, September, November and December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.12" (3mm) of snow. In Truesdale, during the entire year, snow falls for 25.3 days and aggregates up to 6.85" (174mm) of snow.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:34 am and sunset at 7:34 pm. On the last day of September, sunrise is at 7:00 am and sunset at 6:48 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
In Truesdale, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
How many days does it rain in September?
When does it start to snow?
How many hours of daylight does Truesdale have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Truesdale have in September?
What is the UV index intensity in September in Truesdale?
Average temperature in September
Truesdale, MO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Truesdale, 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
Truesdale, MO
- Average wind speed in September: 6mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
Truesdale, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Truesdale, MO
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is May (2.99").
The driest month (with the least rainfall) is February (1.26").
Average rainfall days in September
Truesdale, MO
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16 days).
The month with the least rainy days is February (7.2 days).
Average snowfall in September
Truesdale, MO
- Average snowfall in September: 0.12"
The month with the highest snowfall is January (1.81").
The months with the least snowfall are May, June, July, August and October (0").
Average snowfall days in September
Truesdale, MO
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (8 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Truesdale, 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 30min).
- Average sunshine in September: 9h and 3min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Truesdale, MO
- Average sunshine days in September: 16.4 days
The month with the most sunshine days is December (18.6 days).
The month with the least sunshine days is May (11.5 days).
Average UV index in September
Truesdale, 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
Truesdale, MO
- Average cloud cover in September: 30
The months with the most cloud cover are January and February (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 29).
Average visibility in September
Truesdale, 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).
Truesdale, Missouri, USA
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