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
Palmer's weather in September involves a mild decrease in the average high-temperature, moving down slightly from August's warm 84.7°F (29.3°C) to a still moderately hot 79.2°F (26.2°C). In Palmer, September's nights observe an average temperature dip to a moderate 59.5°F (15.3°C).Humidity
In September, the average relative humidity is 78%.Rainfall
In Palmer, during September, the rain falls for 15.1 days and regularly aggregates up to 2.87" (73mm) of precipitation. Throughout the year, there are 182.8 rainfall days, and 45.91" (1166mm) of precipitation is accumulated.Snowfall
May through September are months without snowfall in Palmer.Daylight
The average length of the day in September is 12h and 23min.On the first day of the month, sunrise is at 6:15 am and sunset at 7:08 pm. On the last day of September, sunrise is at 6:36 am and sunset at 6:27 pm CDT.
Sunshine
In Palmer, the average sunshine in September is 8.1h.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: A maximum daily UV index of 5 during September morphs into the following directions:
Guard yourself - Avoiding sunburn is suggested. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Palmer have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
What is the UV index intensity in September?
Average temperature in September
Palmer, TN
- Average high temperature in September: 79.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (44.1°F).
- Average low temperature in September: 59.5°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).
Average pressure in September
Palmer, TN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in September
Palmer, TN
- Average wind speed in September: 4.3mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in September
Palmer, TN
- Average humidity in September: 78%
The month with the highest relative humidity is December (82%).
The months with the lowest relative humidity are October and November (77%).
Average rainfall in September
Palmer, TN
- Average rainfall in September: 2.87"
The wettest month (with the highest rainfall) is July (4.92").
The driest month (with the least rainfall) is November (2.8").
Average rainfall days in September
Palmer, TN
- Average rainfall days in September: 15.1 days
The month with the highest number of rainy days is July (21.4 days).
The month with the least rainy days is November (10 days).
Average snowfall in September
Palmer, TN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.6").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Palmer, TN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (5.1 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
Palmer, TN
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 8h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).
Average sunshine days in September
Palmer, TN
- Average sunshine days in September: 12.9 days
The month with the most sunshine days is October (18 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in September
Palmer, 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 and December (UV index 2).
Average cloud cover in September
Palmer, TN
- Average cloud cover in September: 35
The month with the most cloud cover is February (Cloud cover 55).
The month with the least cloud cover is June (Cloud cover 34).
Average visibility in September
Palmer, TN
- Average visibility in September: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October and December (5mi).
Palmer, Tennessee, USA
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