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 implies a soft temperature shift, with average high-temperatures reducing from August's warm 85.3°F (29.6°C) to a still moderately hot 78.8°F (26°C). An average low-temperature of 59.7°F (15.4°C) is recorded in the month of September.Humidity
The average relative humidity in September is 75%.Rainfall
September is the month with the least rainfall in Palmyra. Rain falls for 12.8 days and accumulates 1.77" (45mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:14 am and sunset at 8:13 pm. On the last day of September, sunrise is at 7:39 am and sunset at 7:28 pm EDT.
Sunshine
In Palmyra, Indiana, the average sunshine in September is 8.4h.UV index
The average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: The daily high UV index of 5 in September translates into this advice:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. It's recommended to limit sun exposure when its radiation is at its peak during midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in September?
What is the average humidity in September?
What is the driest month?
How much does it rain in September?
When it does not snow?
Does it snow in September?
How many hours of daylight does Palmyra have in September?
What time are sunrise and sunset in September?
How long on average sun shines in September?
How high is the UV index in September?
Average temperature in September
Palmyra, IN
- Average high temperature in September: 78.8°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 (38.5°F).
- Average low temperature in September: 59.7°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (25.3°F).
Average pressure in September
Palmyra, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Palmyra, IN
- Average wind speed in September: 5.4mph
The windiest month (with the highest average wind speed) is January (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in September
Palmyra, IN
- Average humidity in September: 75%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Palmyra, IN
- Average rainfall in September: 1.77"
The wettest month (with the highest rainfall) is April (3.58").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in September
Palmyra, IN
- Average rainfall days in September: 12.8 days
The month with the highest number of rainy days is May (19 days).
The months with the least rainy days are January and February (10.3 days).
Average snowfall in September
Palmyra, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Palmyra, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.8 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
Palmyra, IN
- 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: 8h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 12min).
Average sunshine days in September
Palmyra, IN
- Average sunshine days in September: 15.1 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is May (10.3 days).
Average UV index in September
Palmyra, IN
- 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, November and December (UV index 2).
Average cloud cover in September
Palmyra, IN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Palmyra, IN
- Average visibility in September: 6mi
The months with the highest visibility are April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July and December (5mi).
Palmyra, Indiana, USA
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