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
With September's onset, the weather reveals a slight temperature decrease, transitioning from a tropical 87.1°F (30.6°C) in August to a warm 80.4°F (26.9°C). September brings with it a nighttime average temperature of 59.5°F (15.3°C).Humidity
The months with the lowest humidity are August through October, with an average relative humidity of 74%.Rainfall
In Rockbridge, during September, the rain falls for 13 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Rockbridge, during the entire year, the rain falls for 152 days and collects up to 34.17" (868mm) of precipitation.Snowfall
In Rockbridge, snow does not fall in June through October.Daylight
The average length of the day in September is 12h and 24min.On the first day of September, sunrise is at 6:41 am and sunset at 7:37 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:54 pm CDT.
Sunshine
In Rockbridge, the average sunshine in September is 9.3h.UV index
The average daily maximum UV index in September is 5. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 5 during September translates into the following directions:
Stay alert. Light-skinned people could suffer burns in less than 30 minutes. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Boost your sun resistance with garments that are densely woven yet spacious.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What are the least humid months?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Rockbridge have in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Rockbridge, MO
- Average high temperature in September: 80.4°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (42.1°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in September
Rockbridge, 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 (29.93"Hg).
Average wind speed in September
Rockbridge, MO
- Average wind speed in September: 5.7mph
The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest month (with the lowest average wind speed) is July (5.2mph).
Average humidity in September
Rockbridge, MO
- Average humidity in September: 74%
The months with the highest relative humidity are March and May (79%).
The months with the lowest relative humidity are August, September and October (74%).
Average rainfall in September
Rockbridge, MO
- Average rainfall in September: 1.93"
The wettest month (with the highest rainfall) is May (4.41").
The driest month (with the least rainfall) is January (1.85").
Average rainfall days in September
Rockbridge, MO
- Average rainfall days in September: 13 days
The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is December (7.5 days).
Average snowfall in September
Rockbridge, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.52").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Rockbridge, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rockbridge, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).
Average sunshine days in September
Rockbridge, MO
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in September
Rockbridge, 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 and December (UV index 2).
Average cloud cover in September
Rockbridge, MO
- Average cloud cover in September: 32
The month with the most cloud cover is March (Cloud cover 50).
The months with the least cloud cover are June, July and August (Cloud cover 31).
Average visibility in September
Rockbridge, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are May, July and August (5mi).
Rockbridge, Missouri, USA
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