September weather forecastMays, IN
September
Weather in September
September, the first month of the autumn in Mays, is still a warm month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 75°F (23.9°C).Temperature
Mays ushers in September with an average high-temperature of a still warm 75°F (23.9°C), showing a close resemblance to the previous month. In September, Mays's temperature tends to fall to an average low of 57.2°F (14°C) during the night.Humidity
In Mays, the average relative humidity in September is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.4 days and typically collects 0.67" (17mm) of precipitation.Snowfall
May through September are months without snowfall.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September, sunrise is at 7:10 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:37 am and sunset at 7:25 pm EDT.
Sunshine
In Mays, the average sunshine in September is 8.2h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Mays, IN
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (81.1°F).
The month with the lowest average high temperature is January (32.9°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (20.8°F).
Average pressure in September
Mays, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Mays, IN
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest month (with the lowest average wind speed) is August (5.9mph).
Average humidity in September
Mays, IN
- Average humidity in September: 78%
The month with the highest relative humidity is December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Mays, IN
- Average rainfall in September: 0.67"
The wettest month (with the highest rainfall) is May (1.54").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in September
Mays, IN
- Average rainfall days in September: 10.4 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is February (5.9 days).
Average snowfall in September
Mays, IN
- Average snowfall in September: 0"
The month with the highest snowfall is December (1.34").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Mays, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Mays, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 12min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in September
Mays, IN
- Average sunshine days in September: 16.2 days
The months with the most sunshine days are October and November (19.8 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in September
Mays, IN
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Mays, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in September
Mays, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).





