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 move into September indicates a slight reduction in the average high-temperature, down from August's tropical 86.2°F (30.1°C) to a warm 80.1°F (26.7°C). During September, Hillwood records an average temperature of 59.7°F (15.4°C) at night.Humidity
The average relative humidity in September is 77%.Rainfall
The month with the least rainfall is September, when the rain falls for 12 days and typically collects 2.01" (51mm) of precipitation.Snowfall
In Hillwood, snow does not fall in May through October.Daylight
The average length of the day in September in Hillwood is 12h and 24min.On the first day of the month, sunrise is at 6:14 am and sunset at 7:09 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:26 pm CDT.
Sunshine
The average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September in Hillwood is 5. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A maximum high UV index of 5 in September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in Hillwood in September?
When it does not snow?
What is the average length of the day in September?
What time are sunrise and sunset in September?
How long on average sun shines in September in Hillwood?
What is the UV index reading in September?
Average temperature in September
Hillwood, TN
- Average high temperature in September: 80.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (43.5°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.3°F).
Average pressure in September
Hillwood, TN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in September
Hillwood, TN
- Average wind speed in September: 4.5mph
The windiest month (with the highest average wind speed) is February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).
Average humidity in September
Hillwood, TN
- Average humidity in September: 77%
The months with the highest relative humidity are February, March and December (79%).
The month with the lowest relative humidity is November (75%).
Average rainfall in September
Hillwood, TN
- Average rainfall in September: 2.01"
The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in September
Hillwood, TN
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is November (10.8 days).
Average snowfall in September
Hillwood, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Hillwood, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (4.6 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
Hillwood, TN
- 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: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Hillwood, TN
- Average sunshine days in September: 16 days
The month with the most sunshine days is October (18.2 days).
The months with the least sunshine days are February and July (11.3 days).
Average UV index in September
Hillwood, TN
- 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
Hillwood, TN
- Average cloud cover in September: 32
The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in September
Hillwood, TN
- Average visibility in September: 5mi
The months with the highest visibility are February, March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, May, July, August and September (5mi).
Hillwood, Tennessee, USA
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