September weather forecastReiffsburg, IN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Reiffsburg, Indiana, with an average temperature varying between 55.8°F (13.2°C) and 74.1°F (23.4°C).Temperature
Reiffsburg's entry into September measures an average high-temperature of a still moderately hot 74.1°F (23.4°C), closely parallel to the preceding month. During the month of September, an average temperature of 55.8°F (13.2°C) is noted during the nights.Humidity
In Reiffsburg, the average relative humidity in September is 79%.Rainfall
In Reiffsburg, in September, it is raining for 9.2 days, with typically 0.59" (15mm) of accumulated precipitation. Throughout the year, there are 111.9 rainfall days, and 9.65" (245mm) of precipitation is accumulated.Snowfall
In Reiffsburg, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 27min.On the first day of September, sunrise is at 7:08 am and sunset at 8:12 pm. On the last day of the month, sunrise is at 7:36 am and sunset at 7:23 pm EDT.
Sunshine
In Reiffsburg, the average sunshine in September is 8h.UV index
In September, the average daily maximum UV index is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The UV index of 4 in September translates into these instructions:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. Employ a wide-brim hat for potent defense against up to 50% of UV rays.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Reiffsburg, IN
- Average high temperature in September: 74.1°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: 55.8°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).
Average pressure in September
Reiffsburg, 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
Reiffsburg, IN
- Average wind speed in September: 6.9mph
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
Reiffsburg, IN
- Average humidity in September: 79%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Reiffsburg, IN
- Average rainfall in September: 0.59"
The wettest month (with the highest rainfall) is May (1.22").
The driest months (with the least rainfall) are February and November (0.51").
Average rainfall days in September
Reiffsburg, IN
- Average rainfall days in September: 9.2 days
The month with the highest number of rainy days is May (14 days).
The month with the least rainy days is February (4.6 days).
Average snowfall in September
Reiffsburg, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.14").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Reiffsburg, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Reiffsburg, 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
Reiffsburg, IN
- Average sunshine days in September: 18.2 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (13.1 days).
Average UV index in September
Reiffsburg, 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
Reiffsburg, 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
Reiffsburg, IN
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, September, October, November and December (6mi).
The month with the lowest visibility is August (5mi).





