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 arrival of September signals a subtle shift in temperature, down from 84.7°F (29.3°C) in August to a still warm 78.1°F (25.6°C). West Line experiences a steady low-temperature of 59.7°F (15.4°C) throughout September.Humidity
In West Line, the average relative humidity in September is 76%.Rainfall
In West Line, in September, during 12.6 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. In West Line, during the entire year, the rain falls for 132.6 days and collects up to 27.13" (689mm) of precipitation.Snowfall
In West Line, snow does not fall in June through September.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:48 am and sunset at 7:47 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:02 pm CDT.
Sunshine
The average sunshine in September is 9.3h.UV index
In September, the average daily maximum UV index is 5. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 5 in September, converts into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for West Line in September?
What is the average humidity in September in West Line?
How many days does it rain in September in West Line?
When it does not snow in West Line?
Does it snow in West Line in September?
What is the average length of the day in September in West Line?
When is the sunrise / sunset in September in West Line?
How many hours of sunshine does West Line have in September?
How high is the UV index in September in West Line?
Average temperature in September
West Line, MO
- Average high temperature in September: 78.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in September
West Line, MO
- Average pressure in September: 30.01"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
West Line, MO
- Average wind speed in September: 7.3mph
The windiest month (with the highest average wind speed) is March (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in September
West Line, MO
- Average humidity in September: 76%
The month with the highest relative humidity is May (81%).
The months with the lowest relative humidity are October and November (71%).
Average rainfall in September
West Line, MO
- Average rainfall in September: 2.32"
The wettest month (with the highest rainfall) is May (4.53").
The driest month (with the least rainfall) is January (0.87").
Average rainfall days in September
West Line, MO
- Average rainfall days in September: 12.6 days
The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is January (5.3 days).
Average snowfall in September
West Line, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.11").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
West Line, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
West Line, 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 months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 5h and 18min).
Average sunshine days in September
West Line, MO
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
West Line, 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
West Line, MO
- Average cloud cover in September: 29
The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 25).
Average visibility in September
West Line, 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).
West Line, Missouri, USA
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