September weather forecastSplit Rock, NY
September
Weather in September
September, the first month of the autumn in Split Rock, is also an agreeable month, with an average temperature fluctuating between 52.5°F (11.4°C) and 70.3°F (21.3°C).Temperature
The transition into September subtly indicates a reduction in the average high-temperature, down to an agreeable 70.3°F (21.3°C) from August's warm 76.5°F (24.7°C). The temperature lowers to an average of 52.5°F (11.4°C) during September nights.Humidity
In Split Rock, the average relative humidity in September is 79%.Rainfall
September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.02" (26mm) of precipitation.Snowfall
In Split Rock, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 29min.On the first day of the month, sunrise is at 6:30 am and sunset at 7:39 pm. On the last day of September, sunrise is at 7:01 am and sunset at 6:47 pm EDT.
Sunshine
The average sunshine in September is 9h.UV index
In Split Rock, the average daily maximum UV index in September is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: A daily high UV index of 3 in September leads to these guidelines:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun during its peak radiation time around midday is a healthy practice. 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
Split Rock, NY
- Average high temperature in September: 70.3°F
The warmest month (with the highest average high temperature) is July (78.3°F).
The month with the lowest average high temperature is January (28.4°F).
- Average low temperature in September: 52.5°F
The month with the highest average low temperature is July (59.9°F).
The coldest month (with the lowest average low temperature) is January (17.1°F).
Average pressure in September
Split Rock, NY
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.09"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).
Average wind speed in September
Split Rock, NY
- Average wind speed in September: 6.6mph
The windiest month (with the highest average wind speed) is January (10.4mph).
The calmest months (with the lowest average wind speed) are July and August (6.2mph).
Average humidity in September
Split Rock, NY
- Average humidity in September: 79%
The month with the highest relative humidity is February (87%).
The month with the lowest relative humidity is April (78%).
Average rainfall in September
Split Rock, NY
- Average rainfall in September: 1.02"
The wettest month (with the highest rainfall) is May (1.77").
The driest month (with the least rainfall) is September (1.02").
Average rainfall days in September
Split Rock, NY
- Average rainfall days in September: 11.2 days
The months with the highest number of rainy days are May and July (15 days).
The month with the least rainy days is January (6.7 days).
Average snowfall in September
Split Rock, NY
- Average snowfall in September: 0"
The months with the highest snowfall are February and December (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
Split Rock, NY
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (18.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Split Rock, NY
- Average daylight in September: 12h and 30min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in September: 9h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 2h and 24min).
Average sunshine days in September
Split Rock, NY
- Average sunshine days in September: 17.2 days
The month with the most sunshine days is September (17.2 days).
The month with the least sunshine days is February (7.2 days).
Average UV index in September
Split Rock, NY
- Average UV index in September: 3
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January and December (UV index 1).
Average cloud cover in September
Split Rock, NY
- Average cloud cover in September: 35
The months with the most cloud cover are January and February (Cloud cover 74).
The months with the least cloud cover are July and August (Cloud cover 32).
Average visibility in September
Split Rock, NY
- Average visibility in September: 6mi
The months with the highest visibility are April, May, June, July, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March and December (5mi).
