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 the arrival of September, Jerome experiences a modest decline in average high-temperatures, transitioning from a hot 87.4°F (30.8°C) in August to a warm 80.6°F (27°C). An average low-temperature of 59.2°F (15.1°C) is expected during September.Heat index
September's average heat index is appraised at 84.2°F (29°C). If exposure and activity persist, fatigue could ensue, possibly leading to heat cramps.Take into consideration that the heat index values are calculated for shade and light wind conditions. Exposure to unobstructed sunshine could lead to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'feels like' or 'apparent temperature', is a measure of how hot it feels when the actual air humidity is factored in. Metabolic differences, pregnancy status, and the level of physical activity are additional factors influencing an individual's weather perception. Keep aware, the sun, when shining directly, can intensify the heat experience, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children frequently underestimate the importance of resting and drinking fluids. Thirst is a symptom of advanced dehydration - hence the need to hydrate regularly, especially during protracted physical exercises.
Humidity
In Jerome, the average relative humidity in September is 73%.Rainfall
In Jerome, in September, it is raining for 12 days, with typically 2.09" (53mm) of accumulated precipitation. In Jerome, during the entire year, the rain falls for 147.3 days and collects up to 32.8" (833mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Jerome, Missouri, sunrise is at 6:38 am and sunset at 7:36 pm. On the last day of the month, sunrise is at 7:03 am and sunset at 6:51 pm CDT.
Sunshine
In Jerome, the average sunshine in September is 9.4h.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: A maximum UV index of 5 in September translates into the following recommendations:
Exercise prevention - Protecting skin and eyes from harm is required. Minimize direct exposure to the Sun during midday when its radiation is at its peak. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Frequently asked questions
What is the usual temperature for Jerome in September?
What is the average humidity in September in Jerome?
How many days does it rain in September in Jerome?
When it does not snow in Jerome?
Does it snow in Jerome in September?
How many hours of daylight does Jerome have in September?
What time are sunrise and sunset in September in Jerome?
How many hours of sunshine does Jerome have in September?
How high is the UV index in September in Jerome?
Average temperature in September
Jerome, MO
- Average high temperature in September: 80.6°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in September: 59.2°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (24.6°F).
Average pressure in September
Jerome, 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 (29.92"Hg).
Average wind speed in September
Jerome, MO
- Average wind speed in September: 5.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).
Average humidity in September
Jerome, MO
- Average humidity in September: 73%
The months with the highest relative humidity are March and May (77%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Jerome, MO
- Average rainfall in September: 2.09"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is January (1.69").
Average rainfall days in September
Jerome, MO
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Jerome, MO
- Average snowfall in September: 0"
The month with the highest snowfall is January (3.78").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Jerome, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Jerome, 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 36min).
- Average sunshine in September: 9h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Jerome, MO
- Average sunshine days in September: 15.4 days
The month with the most sunshine days is December (18.7 days).
The months with the least sunshine days are May and June (11.9 days).
Average UV index in September
Jerome, 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
Jerome, MO
- Average cloud cover in September: 32
The months with the most cloud cover are February and March (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).
Average visibility in September
Jerome, MO
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).
Jerome, Missouri, USA
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