September weather forecastChalmers, IN
September
Weather in September
The first month of the autumn, September, is still a warm month in Chalmers, Indiana, with an average temperature fluctuating between 75.2°F (24°C) and 56.8°F (13.8°C).Temperature
The onset of September brings with it an average high-temperature of a still warm 75.2°F (24°C), showing a negligible variation from the month before. Chalmers records an average temperature drop to a mild 56.8°F (13.8°C) in September.Humidity
In Chalmers, the average relative humidity in September is 78%.Rainfall
September is the month with the least rainfall. Rain falls for 7.2 days and accumulates 0.35" (9mm) of precipitation.Snowfall
In Chalmers, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:15 am and sunset at 8:19 pm. On the last day of September, sunrise is at 7:43 am and sunset at 7:30 pm EDT.
Sunshine
In Chalmers, the average sunshine in September is 8.2h.UV index
In Chalmers, the average daily maximum UV index in September is 5. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the ordinary person.Note: The daily maximum UV index of 5 in September interprets into the following advice:
Act with care - The suggestion to avoid sunburn is emphasized. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. 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
Chalmers, IN
- Average high temperature in September: 75.2°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 (31.1°F).
- Average low temperature in September: 56.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.2°F).
Average pressure in September
Chalmers, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Chalmers, IN
- Average wind speed in September: 7mph
The windiest month (with the highest average wind speed) is January (10.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Chalmers, IN
- Average humidity in September: 78%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is October (72%).
Average rainfall in September
Chalmers, IN
- Average rainfall in September: 0.35"
The wettest month (with the highest rainfall) is May (0.98").
The driest month (with the least rainfall) is September (0.35").
Average rainfall days in September
Chalmers, IN
- Average rainfall days in September: 7.2 days
The month with the highest number of rainy days is May (12.3 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in September
Chalmers, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.79").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Chalmers, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Chalmers, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in September: 8h and 12min
The months with the most sunshine are June and July (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in September
Chalmers, IN
- Average sunshine days in September: 21.1 days
The month with the most sunshine days is December (23.6 days).
The month with the least sunshine days is May (15.6 days).
Average UV index in September
Chalmers, IN
- Average UV index in September: 5
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
Chalmers, IN
- Average cloud cover in September: 34
The month with the most cloud cover is January (Cloud cover 61).
The months with the least cloud cover are June and August (Cloud cover 33).
Average visibility in September
Chalmers, 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).
