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 moderately hot 85.6°F (29.8°C) to a still warm 79.3°F (26.3°C). Nighttime temperatures in September average to a moderate 59.9°F (15.5°C).Humidity
In Central, Indiana, the average relative humidity in September is 75%.Rainfall
The month with the least rainfall in Central, Indiana, is September, when the rain falls for 12.5 days and typically collects 1.61" (41mm) of precipitation.Snowfall
January through April, September through December are months with snowfall. September is the first month it typically snows. Throughout September, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. In Central, Indiana, during the entire year, snow falls for 26.8 days and aggregates up to 7.91" (201mm) of snow.Daylight
In September, the average length of the day is 12h and 25min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:13 pm. On the last day of September, in Central, sunrise is at 7:40 am and sunset at 7:28 pm EDT.
Sunshine
In September, the average sunshine in Central is 8.4h.UV index
In Central, the average daily maximum UV index in September is 5. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for average individuals.Note: An average UV index of 5 in September transforms into this advice:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. During bright days, sunglasses that offer UVA and UVB defense are recommended. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Frequently asked questions
What are the temperatures in Central in September?
What is the average humidity in September in Central?
What is the driest month in Central?
How much does it rain in Central in September?
When does it start to snow in Central?
How many hours of daylight does Central have in September?
When is the sunrise / sunset in September in Central?
How many hours of sunshine does Central have in September?
What is the UV index reading in September in Central?
Average temperature in September
Central, IN
- Average high temperature in September: 79.3°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 (38.8°F).
- Average low temperature in September: 59.9°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 (25.7°F).
Average pressure in September
Central, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in September
Central, IN
- Average wind speed in September: 5.3mph
The windiest months (with the highest average wind speed) are January and February (7.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in September
Central, 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
Central, IN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (3.31").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Central, IN
- Average rainfall days in September: 12.5 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in September
Central, IN
- Average snowfall in September: 0.04"
The month with the highest snowfall is January (2.24").
The months with the least snowfall are May, June, July and August (0").
Average snowfall days in September
Central, IN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (7.6 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Central, 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 36min).
- Average sunshine in September: 8h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in September
Central, IN
- Average sunshine days in September: 14.8 days
The month with the most sunshine days is October (19.1 days).
The month with the least sunshine days is May (11.1 days).
Average UV index in September
Central, 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
Central, IN
- Average cloud cover in September: 32
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Central, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, May, July, September and December (5mi).
Central, Indiana, USA
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