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 onset of September brings a small shift in high-temperatures, falling from 84.6°F (29.2°C) in August to a still warm 78.8°F (26°C). During September, Whiteside records a consistent average nighttime temperature of 59.2°F (15.1°C).Humidity
The average relative humidity in September in Whiteside is 74%.Rainfall
In September, the rain falls for 11.4 days. Throughout September, 1.3" (33mm) of precipitation is accumulated. In Whiteside, during the entire year, the rain falls for 130.3 days and collects up to 17.87" (454mm) of precipitation.Snowfall
In Whiteside, snow does not fall in April through October.Daylight
In Whiteside, the average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 6:33 am and sunset at 7:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 6:47 pm CDT.
Sunshine
The average sunshine in September in Whiteside, Missouri, is 9.6h.UV index
The average daily maximum UV index in September in Whiteside 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: In September, the maximum UV index of 5 suggests these recommendations:
Undertake precautions - Guarding against sun damage is counselled. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Frequently asked questions
What is the average September temperature in Whiteside?
What is the average humidity in September in Whiteside?
How much does it rain in Whiteside in September?
When it does not snow in Whiteside?
What is the average length of the day in September in Whiteside?
When are sunrise and sunset in September in Whiteside?
How many hours of sunshine does Whiteside have in September?
What is the UV index reading in September in Whiteside?
Average temperature in September
Whiteside, MO
- Average high temperature in September: 78.8°F
The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (35.8°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 (22.5°F).
Average pressure in September
Whiteside, 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 (29.91"Hg).
Average wind speed in September
Whiteside, MO
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January and February (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Whiteside, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in September
Whiteside, MO
- Average rainfall in September: 1.3"
The wettest month (with the highest rainfall) is May (2.17").
The driest months (with the least rainfall) are January and February (0.83").
Average rainfall days in September
Whiteside, MO
- Average rainfall days in September: 11.4 days
The month with the highest number of rainy days is July (15.2 days).
The month with the least rainy days is January (6.2 days).
Average snowfall in September
Whiteside, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.3").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Whiteside, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (6.6 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
Whiteside, MO
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 9h and 4min
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: 4h and 36min).
Average sunshine days in September
Whiteside, MO
- Average sunshine days in September: 16.5 days
The month with the most sunshine days is December (20.9 days).
The month with the least sunshine days is July (11.8 days).
Average UV index in September
Whiteside, MO
- Average UV index in September: 5
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
Whiteside, MO
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Whiteside, 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).
Whiteside, Missouri, USA
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