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
Rives's weather in September, with an average high-temperature of a moderately hot 82.4°F (28°C), subtly shifts from August's 86.5°F (30.3°C). During the month of September, an average low-temperature of 64°F (17.8°C) is recorded.Heat index
For September, the heat index is estimated at a tropical 87.8°F (31°C). Constant exposure and activity lead to possible fatigue. Prolonged exercise may result in heat cramps.It is noted that heat index values are ascertained for locations in the shade and with gentle breezes. The heat index could see an increase by 15 Fahrenheit (8 Celsius) degrees under direct sunshine.
Note: The heat index, also known as 'feels like' or 'real feel', is an amalgamation of air temperature and humidity to express the equivalent perceived temperature. An individual's temperature experience can be influenced by extra factors, including metabolic differences, activity levels, and clothing. Take note that direct exposure to the sun can increase the felt temperature, possibly adding 15 Fahrenheit (8 Celsius) degrees to the heat index. Heat index values are primarily vital for children. In general, younger individuals are at greater risk than adults because they tend to sweat less. Also, having a larger skin surface to body size ratio and greater heat production due to their active behavior contribute to this danger.
Humidity
In September, the average relative humidity is 73%.Rainfall
The month with the least rainfall in Rives is September, when the rain falls for 10.7 days and typically collects 1.57" (40mm) of precipitation.Snowfall
April through September are months without snowfall in Rives.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:32 am and sunset at 7:27 pm. On the last day of September, sunrise is at 6:54 am and sunset at 6:44 pm CDT.
Sunshine
The average sunshine in September in Rives is 9.5h.UV index
In September, the average daily maximum UV index is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: The UV index of 5 in September translates into these instructions:
Exercise care. People with light skin might get burns in fewer than 30 minutes. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How hot is it in September?
What is the average humidity in September in Rives?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Rives have 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
Rives, MO
- Average high temperature in September: 82.4°F
The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (44.6°F).
- Average low temperature in September: 64°F
The month with the highest average low temperature is July (71.8°F).
The coldest month (with the lowest average low temperature) is January (31.8°F).
Average pressure in September
Rives, 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 (29.94"Hg).
Average wind speed in September
Rives, MO
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in September
Rives, MO
- Average humidity in September: 73%
The month with the highest relative humidity is March (78%).
The month with the lowest relative humidity is October (67%).
Average rainfall in September
Rives, MO
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is March (4.09").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in September
Rives, MO
- Average rainfall days in September: 10.7 days
The month with the highest number of rainy days is May (15.8 days).
The months with the least rainy days are January, October and November (9.7 days).
Average snowfall in September
Rives, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.61").
The months with the least snowfall are April, May, June, July, August and September (0").
Average snowfall days in September
Rives, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (2.3 days).
The months with the least snowfall days are April, May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rives, 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 48min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in September
Rives, MO
- Average sunshine days in September: 17.8 days
The month with the most sunshine days is October (19.2 days).
The month with the least sunshine days is May (13.3 days).
Average UV index in September
Rives, 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
Rives, MO
- Average cloud cover in September: 28
The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 25).
Average visibility in September
Rives, 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).
Rives, Missouri, USA
Weather forecast for your location
2. Allow the app to use your location