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 a hot 87.1°F (30.6°C) in August to a warm 79.9°F (26.6°C). The low-temperature averages to a moderate 59.4°F (15.2°C) during the nights of September.Humidity
In Saint Elizabeth, the average relative humidity in September is 74%.Rainfall
In Saint Elizabeth, in September, during 10.9 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. In Saint Elizabeth, during the entire year, the rain falls for 136.8 days and collects up to 26.18" (665mm) of precipitation.Snowfall
In Saint Elizabeth, snow does not fall in June through October.Daylight
In September, the average length of the day in Saint Elizabeth is 12h and 25min.On the first day of September in Saint Elizabeth, sunrise is at 6:39 am and sunset at 7:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 6:53 pm CDT.
Sunshine
In Saint Elizabeth, the average sunshine in September is 9.4h.UV index
The average daily maximum UV index in September in Saint Elizabeth is 5. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 in September interprets into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. Enhance your sun protection with tightly woven, yet airy clothing.
Frequently asked questions
What are the temperatures in Saint Elizabeth in September?
What is the average humidity in September in Saint Elizabeth?
How much does it rain in Saint Elizabeth in September?
When it does not snow in Saint Elizabeth?
What is the average length of the day in September in Saint Elizabeth?
When is the sunrise / sunset in September in Saint Elizabeth?
How long on average sun shines in September in Saint Elizabeth?
What is the UV index reading in September in Saint Elizabeth?
Average temperature in September
Saint Elizabeth, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in September: 59.4°F
The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in September
Saint Elizabeth, MO
- Average pressure in September: 30.03"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
Saint Elizabeth, MO
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are January and March (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).
Average humidity in September
Saint Elizabeth, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are August and October (73%).
Average rainfall in September
Saint Elizabeth, MO
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.58").
The driest month (with the least rainfall) is January (1.18").
Average rainfall days in September
Saint Elizabeth, MO
- Average rainfall days in September: 10.9 days
The month with the highest number of rainy days is May (16.3 days).
The months with the least rainy days are January and December (6.7 days).
Average snowfall in September
Saint Elizabeth, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Saint Elizabeth, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (7 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Saint Elizabeth, 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 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 54min).
Average sunshine days in September
Saint Elizabeth, MO
- Average sunshine days in September: 16.8 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is May (11.8 days).
Average UV index in September
Saint Elizabeth, 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
Saint Elizabeth, MO
- Average cloud cover in September: 30
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Saint Elizabeth, 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).
Saint Elizabeth, Missouri, USA
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