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
As August transitions into September, Centralia sees a gentle drop in the average high-temperature, transitioning from 84.7°F (29.3°C) to a still moderately hot 78.4°F (25.8°C). In the month of September, Centralia witnesses a consistent average low-temperature of 59°F (15°C).Humidity
In Centralia, the average relative humidity in September is 74%.Rainfall
In Centralia, during September, the rain falls for 11.3 days and regularly aggregates up to 1.81" (46mm) of precipitation. In Centralia, during the entire year, the rain falls for 143 days and collects up to 25.39" (645mm) of precipitation.Snowfall
May through September are months without snowfall in Centralia.Daylight
The average length of the day in September is 12h and 26min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:38 pm. On the last day of September, sunrise is at 7:04 am and sunset at 6:52 pm CDT.
Sunshine
In September, the average sunshine in Centralia 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 health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A typical high UV index of 5 in September suggests the following recommendations:
Be vigilant - A duty to shield skin and eyes from injury exists. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September in Centralia?
How many days does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Centralia have in September?
What time are sunrise and sunset in September?
How many hours of sunshine does Centralia have in September?
How high is the UV index in September?
Average temperature in September
Centralia, MO
- Average high temperature in September: 78.4°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (35.2°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 (22.3°F).
Average pressure in September
Centralia, 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
Centralia, MO
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in September
Centralia, 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 (71%).
Average rainfall in September
Centralia, MO
- Average rainfall in September: 1.81"
The wettest month (with the highest rainfall) is June (3.27").
The driest month (with the least rainfall) is January (1.22").
Average rainfall days in September
Centralia, MO
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is January (6.4 days).
Average snowfall in September
Centralia, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Centralia, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9 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
Centralia, 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 30min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in September
Centralia, MO
- Average sunshine days in September: 16.9 days
The month with the most sunshine days is November (18.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
Centralia, 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
Centralia, MO
- Average cloud cover in September: 30
The month with the most cloud cover is January (Cloud cover 50).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in September
Centralia, 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).
Centralia, Missouri, USA
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