September weather forecastLinn Grove, IN
September
Weather in September
The first month of the autumn, September, is still a warm month in Linn Grove, Indiana, with an average temperature varying between 55.8°F (13.2°C) and 73.9°F (23.3°C).Temperature
At the start of September, Linn Grove's average high-temperature reaches a still moderately hot 73.9°F (23.3°C), subtly different from the preceding month. The average low-temperature during September nights is a refreshing 55.8°F (13.2°C).Humidity
The average relative humidity in September is 79%.Rainfall
In Linn Grove, Indiana, in September, it is raining for 11.3 days, with typically 1.02" (26mm) of accumulated precipitation. In Linn Grove, during the entire year, the rain falls for 130.2 days and collects up to 14.8" (376mm) of precipitation.Snowfall
In Linn Grove, snow does not fall in May through September.Daylight
The average length of the day in September is 12h and 27min.On the first day of the month, sunrise is at 7:07 am and sunset at 8:11 pm. On the last day of September, sunrise is at 7:36 am and sunset at 7:23 pm EDT.
Sunshine
The average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index value of 3 to 5 symbolizes a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: A maximum high daily UV index of 4 during September translates into the following directions:
Take precautions. Light skin individuals may get burned in less than 30 minutes. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Linn Grove, IN
- Average high temperature in September: 73.9°F
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (31.5°F).
- Average low temperature in September: 55.8°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Linn Grove, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Linn Grove, IN
- Average wind speed in September: 6.8mph
The windiest month (with the highest average wind speed) is January (10.7mph).
The calmest month (with the lowest average wind speed) is August (6mph).
Average humidity in September
Linn Grove, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January, February and December (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Linn Grove, IN
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.81").
The driest month (with the least rainfall) is February (0.79").
Average rainfall days in September
Linn Grove, IN
- Average rainfall days in September: 11.3 days
The month with the highest number of rainy days is May (16.2 days).
The month with the least rainy days is February (5.4 days).
Average snowfall in September
Linn Grove, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.85").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Linn Grove, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Linn Grove, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in September
Linn Grove, IN
- Average sunshine days in September: 15.7 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is June (11.8 days).
Average UV index in September
Linn Grove, 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
Linn Grove, IN
- Average cloud cover in September: 35
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Linn Grove, IN
- Average visibility in September: 5mi
The months with the highest visibility are January, February, March, April, May, June, July, October, November and December (6mi).
The months with the lowest visibility are August and September (5mi).
