Contents
- Weather in September
- Frequently asked questions
- Average temperature in September
- Average pressure in September
- Average wind speed in September
- Average humidity in September
- Average rainfall in September
- Average rainfall days in September
- Average snowfall in September
- Average snowfall days in September
- Average daylight in September
- Average sunshine in September
- Average sunshine days in September
- Average UV index in September
- Average cloud cover in September
- Average visibility in September
Weather in September
Temperature
The onset of September is marked by a minor decrease in temperature, transitioning from a moderately hot 79.3°F (26.3°C) in August to a pleasant 72.5°F (22.5°C). In September, the temperature in Slocum drops to an average of 58.1°F (14.5°C) at night.Humidity
The average relative humidity in September in Slocum is 78%.Rainfall
The month with the least rainfall is September, when the rain falls for 10.2 days and typically collects 0.98" (25mm) of precipitation.Snowfall
June through October are months without snowfall in Slocum.Daylight
In September, the average length of the day in Slocum is 12h and 28min.On the first day of the month, sunrise is at 6:12 am and sunset at 7:18 pm. On the last day of September, in Slocum, sunrise is at 6:42 am and sunset at 6:29 pm EDT.
Sunshine
In Slocum, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September in Slocum is 4. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for ordinary individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Adopt protective measures - Suggestions to resist sunburn are offered. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses.
Frequently asked questions
What is the average September temperature in Slocum?
What is the average humidity in September in Slocum?
What is the driest month in Slocum?
How many days does it rain in September in Slocum?
When it does not snow in Slocum?
How many hours of daylight does Slocum have in September?
What time are sunrise and sunset in September in Slocum?
How long on average sun shines in September in Slocum?
What is the UV index intensity in September in Slocum?
Average temperature in September
Slocum, RI
- Average high temperature in September: 72.5°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (35.2°F).
- Average low temperature in September: 58.1°F
The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (25°F).
Average pressure in September
Slocum, RI
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Slocum, RI
- Average wind speed in September: 7.9mph
The windiest month (with the highest average wind speed) is January (10.8mph).
The calmest month (with the lowest average wind speed) is August (7.1mph).
Average humidity in September
Slocum, RI
- Average humidity in September: 78%
The month with the highest relative humidity is June (81%).
The months with the lowest relative humidity are March and April (73%).
Average rainfall in September
Slocum, RI
- Average rainfall in September: 0.98"
The wettest month (with the highest rainfall) is October (2.52").
The driest month (with the least rainfall) is September (0.98").
Average rainfall days in September
Slocum, RI
- Average rainfall days in September: 10.2 days
The months with the highest number of rainy days are April and July (14.5 days).
The month with the least rainy days is February (7.7 days).
Average snowfall in September
Slocum, RI
- Average snowfall in September: 0"
The month with the highest snowfall is February (1.97").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Slocum, RI
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Slocum, RI
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in September
Slocum, RI
- Average sunshine days in September: 17.6 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is April (13.7 days).
Average UV index in September
Slocum, RI
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in September
Slocum, RI
- Average cloud cover in September: 34
The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in September
Slocum, RI
- 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).
Slocum, Rhode Island, USA
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