September weather forecastRockfield, IN
September
Weather in September
The first month of the autumn, September, is also a moderately hot month in Rockfield, Indiana, with temperature in the range of an average low of 56.8°F (13.8°C) and an average high of 75°F (23.9°C).Temperature
September's arrival shows an average high-temperature of a still warm 75°F (23.9°C), hardly different from the previous month. In Rockfield, the expected average low-temperature for September is a mild 56.8°F (13.8°C).Humidity
In Rockfield, the average relative humidity in September is 78%.Rainfall
In Rockfield, in September, it is raining for 11.9 days, with typically 1.26" (32mm) of accumulated precipitation. Throughout the year, there are 143.1 rainfall days, and 20.91" (531mm) of precipitation is accumulated.Snowfall
In Rockfield, 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 the month, sunrise is at 7:14 am and sunset at 8:17 pm. On the last day of September, sunrise is at 7:42 am and sunset at 7:29 pm EDT.
Sunshine
In Rockfield, the average sunshine in September is 8.2h.UV index
The average daily maximum UV index in September is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: The maximum daily UV index of 4 in September converts into the following recommendations:
Take precautions - Protection against skin and eye damage is obliged. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Tightly woven clothing, when worn loosely, shields effectively against the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Rockfield, IN
- Average high temperature in September: 75°F
The warmest month (with the highest average high temperature) is July (81°F).
The month with the lowest average high temperature is January (31.3°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 (19.4°F).
Average pressure in September
Rockfield, IN
- Average pressure in September: 30.03"Hg
The months with the highest atmospheric pressure are January and November (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Rockfield, 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
Rockfield, 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
Rockfield, IN
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is April (2.64").
The driest month (with the least rainfall) is December (1.18").
Average rainfall days in September
Rockfield, IN
- Average rainfall days in September: 11.9 days
The month with the highest number of rainy days is May (18.1 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Rockfield, IN
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.44").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Rockfield, IN
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Rockfield, 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 48min).
Average sunshine days in September
Rockfield, IN
- Average sunshine days in September: 15.5 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (11.2 days).
Average UV index in September
Rockfield, IN
- Average UV index in September: 4
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
Rockfield, 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
Rockfield, 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).





