September weather forecastPalmyra, MI
September
Weather in September
September, the first month of the autumn in Palmyra, is also an agreeable month, with temperature in the range of an average high of 73.2°F (22.9°C) and an average low of 55.4°F (13°C).Temperature
At the start of September, Palmyra's average high-temperature reaches an agreeable 73.2°F (22.9°C), subtly different from the preceding month. The average low-temperature of 55.4°F (13°C) is witnessed during September.Humidity
The average relative humidity in September is 79%.Rainfall
In Palmyra, during September, the rain falls for 9.6 days and regularly aggregates up to 0.51" (13mm) of precipitation. In Palmyra, during the entire year, the rain falls for 117.3 days and collects up to 9.41" (239mm) of precipitation.Snowfall
June through September are months without snowfall.Daylight
In Palmyra, the average length of the day in September is 12h and 28min.On the first day of September, sunrise is at 7:02 am and sunset at 8:08 pm. On the last day of the month, sunrise is at 7:32 am and sunset at 7:18 pm EDT.
Sunshine
In September, the average sunshine is 8.1h.UV index
In September, the average daily maximum UV index in Palmyra, Michigan, is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: The daily high UV index of 4 during September translates into the following recommendations:
Prioritize safety - The need to safeguard skin and eyes from harm is emphasized. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Palmyra, MI
- Average high temperature in September: 73.2°F
The warmest month (with the highest average high temperature) is July (79.9°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 55.4°F
The month with the highest average low temperature is July (62.8°F).
The coldest month (with the lowest average low temperature) is January (18.3°F).
Average pressure in September
Palmyra, MI
- Average pressure in September: 30.04"Hg
The month with the highest atmospheric pressure is November (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Palmyra, MI
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Palmyra, MI
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (85%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
Palmyra, MI
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is June (1.22").
The driest months (with the least rainfall) are January, February and December (0.47").
Average rainfall days in September
Palmyra, MI
- Average rainfall days in September: 9.6 days
The month with the highest number of rainy days is June (13.8 days).
The months with the least rainy days are January and February (5.3 days).
Average snowfall in September
Palmyra, MI
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.22").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Palmyra, MI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Palmyra, MI
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Palmyra, MI
- Average sunshine days in September: 17.5 days
The months with the most sunshine days are January and November (18.9 days).
The month with the least sunshine days is June (13.1 days).
Average UV index in September
Palmyra, MI
- Average UV index in September: 4
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Palmyra, MI
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in September
Palmyra, MI
- 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).





