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, Hartshorn sees a gentle drop in the average high-temperature, transitioning from a tropical 86.5°F (30.3°C) to a warm 79.7°F (26.5°C). In September, Hartshorn encounters an average low-temperature of 58.6°F (14.8°C) during the night.Humidity
In September, the average relative humidity is 75%.Rainfall
September is the month with the least rainfall. Rain falls for 11.6 days and accumulates 1.85" (47mm) of precipitation.Snowfall
May through October are months without snowfall.Daylight
The average length of the day in September in Hartshorn, Missouri, is 12h and 25min.On the first day of the month, sunrise is at 6:37 am and sunset at 7:35 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:50 pm CDT.
Sunshine
In September, the average sunshine is 9.1h.UV index
In September, the average daily maximum UV index is 5. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 5 during September leads to these instructions:
Undertake protective steps - Preventing sun damage is advised. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Hartshorn in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in Hartshorn in September?
When it does not snow?
What is the average length of the day in September?
When is the sunrise / sunset in September?
How long on average sun shines in September?
What is the UV index reading in September?
Average temperature in September
Hartshorn, MO
- Average high temperature in September: 79.7°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in September: 58.6°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in September
Hartshorn, 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 (29.93"Hg).
Average wind speed in September
Hartshorn, MO
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.3mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Hartshorn, MO
- Average humidity in September: 75%
The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (73%).
Average rainfall in September
Hartshorn, MO
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in September
Hartshorn, MO
- Average rainfall days in September: 11.6 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in September
Hartshorn, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.35").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hartshorn, MO
- Average snowfall days in September: 0 days
The months with the highest number of snowfall days are January and February (6.3 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
Hartshorn, 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 36min).
- Average sunshine in September: 9h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Hartshorn, MO
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (11.2 days).
Average UV index in September
Hartshorn, 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
Hartshorn, MO
- Average cloud cover in September: 34
The month with the most cloud cover is March (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 31).
Average visibility in September
Hartshorn, MO
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are May, July, August and September (5mi).
Hartshorn, Missouri, USA
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