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 shift from August to September in Joplin coincides with a small decrease in the average high-temperature, down to a warm 79.9°F (26.6°C) from a hot 87.1°F (30.6°C). Joplin anticipates an average minimum temperature of 61.2°F (16.2°C) in the month of September.Humidity
In September, the average relative humidity in Joplin is 74%.Rainfall
In September, in Joplin, the rain falls for 12.5 days. Throughout September, 2.72" (69mm) of precipitation is accumulated. In Joplin, during the entire year, the rain falls for 143.4 days and collects up to 32.01" (813mm) of precipitation.Snowfall
April, June through October are months without snowfall.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 6:49 am and sunset at 7:46 pm. On the last day of September, sunrise is at 7:13 am and sunset at 7:02 pm CDT.
Sunshine
In Joplin, the average sunshine in September 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 average individuals.Note: In September, a daily maximum UV index of 5 leads to the following instructions:
Undertake precautions - It is suggested to shield oneself from sunburn. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
What is the average length of the day in September?
When are sunrise and sunset in September?
How many hours of sunshine does Joplin have in September?
What is the UV index intensity in September?
Average temperature in September
Joplin, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (42.3°F).
- Average low temperature in September: 61.2°F
The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in September
Joplin, 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 (29.92"Hg).
Average wind speed in September
Joplin, MO
- Average wind speed in September: 7.7mph
The windiest months (with the highest average wind speed) are March and April (10.9mph).
The calmest month (with the lowest average wind speed) is July (7.1mph).
Average humidity in September
Joplin, 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
Joplin, MO
- Average rainfall in September: 2.72"
The wettest month (with the highest rainfall) is May (5.04").
The driest month (with the least rainfall) is February (1.54").
Average rainfall days in September
Joplin, MO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (16.8 days).
The months with the least rainy days are January and December (6.8 days).
Average snowfall in September
Joplin, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are April, June, July, August, September and October (0").
Average snowfall days in September
Joplin, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (4 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Joplin, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 42min).
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 July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 24min).
Average sunshine days in September
Joplin, MO
- Average sunshine days in September: 15.2 days
The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (12.2 days).
Average UV index in September
Joplin, MO
- Average UV index in September: 5
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in September
Joplin, MO
- Average cloud cover in September: 28
The months with the most cloud cover are February and March (Cloud cover 45).
The months with the least cloud cover are June, July and August (Cloud cover 25).
Average visibility in September
Joplin, 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).
Joplin, Missouri, USA
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