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
September signals a slight drop in average high-temperature, sliding from August's hot 86.2°F (30.1°C) to a warm 79.9°F (26.6°C). Cedar Hill's nights in September cool down to an average low-temperature of 59.9°F (15.5°C).Humidity
In Cedar Hill, the average relative humidity in September is 74%.Rainfall
In Cedar Hill, in September, it is raining for 12.5 days, with typically 1.77" (45mm) of accumulated precipitation. In Cedar Hill, during the entire year, the rain falls for 142.9 days and collects up to 28.5" (724mm) of precipitation.Snowfall
In Cedar Hill, snow does not fall in April through October.Daylight
In September, the average length of the day is 12h and 25min.On the first day of September in Cedar Hill, sunrise is at 6:32 am and sunset at 7:31 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 6:46 pm CDT.
Sunshine
In September, the average sunshine is 9.5h.UV index
The average daily maximum UV index in September is 5. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 5 during September translates into the following guidance:
Heed the precautions - It is counselled to guard against solar damage. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the average humidity in September?
How many days does it rain in September?
When it does not snow?
How many hours of daylight does Cedar Hill have in September?
When are sunrise and sunset in September?
How many hours of sunshine does Cedar Hill have in September?
How high is the UV index in September?
Average temperature in September
Cedar Hill, MO
- Average high temperature in September: 79.9°F
The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in September: 59.9°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in September
Cedar Hill, 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
Cedar Hill, MO
- Average wind speed in September: 5.6mph
The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).
Average humidity in September
Cedar Hill, MO
- Average humidity in September: 74%
The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Cedar Hill, MO
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is May (3.46").
The driest month (with the least rainfall) is February (1.5").
Average rainfall days in September
Cedar Hill, MO
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is July (16.5 days).
The month with the least rainy days is January (7 days).
Average snowfall in September
Cedar Hill, MO
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.28").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in September
Cedar Hill, MO
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.1 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
Cedar Hill, 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 30min).
- Average sunshine in September: 9h and 3min
The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in September
Cedar Hill, MO
- Average sunshine days in September: 15.3 days
The month with the most sunshine days is December (19.5 days).
The month with the least sunshine days is July (11.4 days).
Average UV index in September
Cedar Hill, 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
Cedar Hill, MO
- Average cloud cover in September: 29
The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are June, July and August (Cloud cover 28).
Average visibility in September
Cedar Hill, 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).
Cedar Hill, Missouri, USA
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