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
September is characterized by a mild reduction in the average high-temperature, from 84.4°F (29.1°C) in August to a still warm 78.6°F (25.9°C). In September, Columbus experiences a temperature dip to an average of 59.4°F (15.2°C) at night.Humidity
The average relative humidity in September in Columbus is 76%.Rainfall
In September, the rain falls for 12.1 days. Throughout September, 2.56" (65mm) of precipitation is accumulated. In Columbus, during the entire year, the rain falls for 138.6 days and collects up to 28.31" (719mm) of precipitation.Snowfall
In Columbus, Missouri, snow does not fall in April, June through September.Daylight
The average length of the day in September in Columbus is 12h and 26min.On the first day of the month, sunrise is at 6:45 am and sunset at 7:45 pm. On the last day of September, in Columbus, sunrise is at 7:11 am and sunset at 6:59 pm CDT.
Sunshine
The average sunshine in September in Columbus is 9.4h.UV index
In Columbus, Missouri, the average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Act with care - The need to guard against sun damage is communicated. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.
Frequently asked questions
What is the average September temperature in Columbus?
What is the average humidity in September in Columbus?
How much does it rain in Columbus in September?
When it does not snow in Columbus?
Does it snow in Columbus in September?
What is the average length of the day in September in Columbus?
What time are sunrise and sunset in September in Columbus?
How long on average sun shines in September in Columbus?
How high is the UV index in September in Columbus?
Average temperature in September
Columbus, MO
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.8°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in September
Columbus, MO
- Average pressure in September: 30.02"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in September
Columbus, MO
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is March (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.4mph).
Average humidity in September
Columbus, MO
- Average humidity in September: 76%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Columbus, MO
- Average rainfall in September: 2.56"
The wettest month (with the highest rainfall) is May (4.17").
The driest month (with the least rainfall) is January (0.98").
Average rainfall days in September
Columbus, MO
- Average rainfall days in September: 12.1 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (5.7 days).
Average snowfall in September
Columbus, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are April, June, July, August and September (0").
Average snowfall days in September
Columbus, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Columbus, 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 2min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in September
Columbus, MO
- Average sunshine days in September: 16.3 days
The month with the most sunshine days is December (22 days).
The month with the least sunshine days is May (12.4 days).
Average UV index in September
Columbus, 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
Columbus, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 26).
Average visibility in September
Columbus, 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).
Columbus, Missouri, USA
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