September weather forecastMontgomery, IN
September
Weather in September
September, the first month of the autumn in Montgomery, is also a moderately hot month, with an average temperature ranging between min 60.1°F (15.6°C) and max 78.6°F (25.9°C).Temperature
The arrival of September brings an average high-temperature of a still moderately hot 78.6°F (25.9°C), subtly diverging from August's 83.5°F (28.6°C). In September, the temperature in Montgomery, Indiana, drops to an average of 60.1°F (15.6°C) at night.Humidity
In Montgomery, the average relative humidity in September is 74%.Rainfall
The month with the least rainfall is September, when the rain falls for 11.5 days and typically collects 1.61" (41mm) of precipitation.Snowfall
In Montgomery, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 25min.On the first day of the month, sunrise is at 7:18 am and sunset at 8:17 pm. On the last day of September, in Montgomery, sunrise is at 7:43 am and sunset at 7:32 pm EDT.
Sunshine
The average sunshine in September in Montgomery, Indiana, is 8.6h.UV index
In Montgomery, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 5 during September translates into the following directions:
Undertake protective steps - Obligation to safeguard skin and eyes from harm is in place. When the Sun is at its strongest around midday, find shade and limit exposure. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Montgomery, IN
- Average high temperature in September: 78.6°F
The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in September: 60.1°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in September
Montgomery, 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 (29.94"Hg).
Average wind speed in September
Montgomery, IN
- Average wind speed in September: 6.3mph
The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).
Average humidity in September
Montgomery, IN
- Average humidity in September: 74%
The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Montgomery, IN
- Average rainfall in September: 1.61"
The wettest month (with the highest rainfall) is April (3.98").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in September
Montgomery, IN
- Average rainfall days in September: 11.5 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.4 days).
Average snowfall in September
Montgomery, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (1.69").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Montgomery, IN
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are May, June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Montgomery, IN
- Average daylight in September: 12h and 24min
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 36min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 4h and 30min).
Average sunshine days in September
Montgomery, IN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is October (18.9 days).
The month with the least sunshine days is May (10.5 days).
Average UV index in September
Montgomery, IN
- Average UV index in September: 5
The months with the highest UV index are 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
Montgomery, IN
- Average cloud cover in September: 30
The months with the most cloud cover are January and February (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
Montgomery, IN
- 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).
