September weather forecastFenns, IN
September
Weather in September
The first month of the autumn, September, is still a warm month in Fenns, Indiana, with an average temperature varying between 75.6°F (24.2°C) and 57.9°F (14.4°C).Temperature
Fenns experiences a minor change to a still moderately hot 75.6°F (24.2°C) in average high-temperature during September, closely reflecting August. Throughout September, an average low-temperature of 57.9°F (14.4°C) is expected.Humidity
In September, the average relative humidity is 77%.Rainfall
In Fenns, in September, it is raining for 12.9 days, with typically 1.85" (47mm) of accumulated precipitation. Throughout the year, there are 153.4 rainfall days, and 26.81" (681mm) of precipitation is accumulated.Snowfall
In Fenns, snow does not fall in May through October.Daylight
The average length of the day in September is 12h and 26min.On the first day of September, sunrise is at 7:12 am and sunset at 8:13 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 7:26 pm EDT.
Sunshine
In Fenns, the average sunshine in September is 8.3h.UV index
In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.Note: A maximum UV index of 4 in September translates into the following recommendations:
Undertake protective steps - Recommendations to avoid sunburn are issued. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Fenns, IN
- Average high temperature in September: 75.6°F
The warmest month (with the highest average high temperature) is July (81.7°F).
The month with the lowest average high temperature is January (34°F).
- Average low temperature in September: 57.9°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (21.7°F).
Average pressure in September
Fenns, IN
- Average pressure in September: 30.03"Hg
The month with the highest atmospheric pressure is January (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Fenns, IN
- Average wind speed in September: 6.4mph
The windiest months (with the highest average wind speed) are January and February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in September
Fenns, IN
- Average humidity in September: 77%
The months with the highest relative humidity are January, July and December (82%).
The month with the lowest relative humidity is October (74%).
Average rainfall in September
Fenns, IN
- Average rainfall in September: 1.85"
The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.69").
Average rainfall days in September
Fenns, IN
- Average rainfall days in September: 12.9 days
The month with the highest number of rainy days is May (19.1 days).
The month with the least rainy days is February (8 days).
Average snowfall in September
Fenns, IN
- Average snowfall in September: 0"
The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Fenns, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (7.8 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
Fenns, IN
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in September: 8h and 18min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in September
Fenns, IN
- Average sunshine days in September: 14.7 days
The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is May (9.8 days).
Average UV index in September
Fenns, IN
- Average UV index in September: 4
The months with the highest UV index are May, June and July (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in September
Fenns, IN
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Fenns, 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).
