September weather forecastAtwood, IN
September
Weather in September
The first month of the autumn, September, is still a pleasant month in Atwood, Indiana, with an average temperature ranging between min 55.2°F (12.9°C) and max 73°F (22.8°C).Temperature
The shift from August to September includes a small decrease in the average high-temperature, from a moderately hot 78.4°F (25.8°C) to a pleasant 73°F (22.8°C). Atwood observes an average low-temperature of 55.2°F (12.9°C) during September nights.Humidity
In Atwood, Indiana, the average relative humidity in September is 80%.Rainfall
In Atwood, in September, it is raining for 13.5 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Atwood, there are 162 rainfall days, and 26.54" (674mm) of precipitation is accumulated.Snowfall
In Atwood, snow does not fall in June through September.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September in Atwood, sunrise is at 7:11 am and sunset at 8:16 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 7:26 pm EDT.
Sunshine
In September, the average sunshine in Atwood is 8h.UV index
In Atwood, the average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: In September, a daily maximum UV index of 4 leads to the following instructions:
Ensure safety - Recommendations to avert sunburn are presented. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Experience reduced UV exposure by about half when donning a wide-brim hat.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Atwood, IN
- Average high temperature in September: 73°F
The warmest month (with the highest average high temperature) is July (80.1°F).
The month with the lowest average high temperature is January (29.7°F).
- Average low temperature in September: 55.2°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 (18.7°F).
Average pressure in September
Atwood, IN
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Atwood, IN
- Average wind speed in September: 7.1mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest month (with the lowest average wind speed) is August (6.2mph).
Average humidity in September
Atwood, IN
- Average humidity in September: 80%
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is October (76%).
Average rainfall in September
Atwood, IN
- Average rainfall in September: 1.57"
The wettest month (with the highest rainfall) is May (3.43").
The driest month (with the least rainfall) is December (1.5").
Average rainfall days in September
Atwood, IN
- Average rainfall days in September: 13.5 days
The month with the highest number of rainy days is May (18.5 days).
The month with the least rainy days is January (7.3 days).
Average snowfall in September
Atwood, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (3.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Atwood, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (15.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Atwood, IN
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in September
Atwood, IN
- Average sunshine days in September: 13.4 days
The month with the most sunshine days is November (15.3 days).
The months with the least sunshine days are February and June (9.3 days).
Average UV index in September
Atwood, IN
- Average UV index in September: 4
The month with the highest UV index is June (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Atwood, IN
- Average cloud cover in September: 36
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is July (Cloud cover 33).
Average visibility in September
Atwood, IN
- Average visibility in September: 5mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





