September weather forecast
Tiverton, RI

Weather in September

September, the first month of the autumn in Tiverton, is also an agreeable month, with an average temperature varying between 58.8°F (14.9°C) and 72.1°F (22.3°C).

Temperature

In Tiverton, the average high-temperature in September marginally drops from a moderately hot 78.6°F (25.9°C) in August to an agreeable 72.1°F (22.3°C). The average low-temperature, in Tiverton, is 58.8°F (14.9°C).

Humidity

In Tiverton, the average relative humidity in September is 78%.

Rainfall

September is the month with the least rainfall. Rain falls for 11.2 days and accumulates 1.06" (27mm) of precipitation.

Snowfall

In Tiverton, Rhode Island, snow does not fall in June through October.

Ocean temperature

In September, the average ocean temperature in Tiverton is 66.7°F (19.3°C).
Note: For swimming, a surface water temperature of 66.7°F (19.3°C) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 69.8°F (21°C).

Daylight

The average length of the day in September in Tiverton, Rhode Island, is 12h and 28min.
On the first day of September in Tiverton, Rhode Island, sunrise is at 6:10 am and sunset at 7:18 pm. On the last day of the month, sunrise is at 6:40 am and sunset at 6:29 pm EDT.

Sunshine

The average sunshine in September in Tiverton is 8.8h.

UV index

In September, the average daily maximum UV index is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: In September, the average maximum UV index of 4 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun.
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FAQ

What is the temperature in September in Tiverton?

In September, in Tiverton, the average high-temperature is 72.1°F (22.3°C), and the average low-temperature is 58.8°F (14.9°C).

What is the average humidity in September in Tiverton?

The average relative humidity in September is 78%.

What is the driest month in Tiverton?

September is the month with the least rainfall in Tiverton, Rhode Island. Rain falls for 11.2 days and accumulates 1.06" (27mm) of precipitation.

How much does it rain in Tiverton in September?

In Tiverton, during September, the rain falls for 11.2 days and regularly aggregates up to 1.06" (27mm) of precipitation.

When it does not snow in Tiverton?

In Tiverton, Rhode Island, snow does not fall in June through October.

How cold is the water in September in Tiverton?

In September, the average ocean temperature is 66.7°F (19.3°C). Swimming in 66.7°F (19.3°C) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 69.8°F (21°C).

What is the average length of the day in September in Tiverton?

In Tiverton, Rhode Island, the average day length in September is 12h and 28min.

What time are sunrise and sunset in September in Tiverton?

In September, on the first day of the month, sunrise is at 6:10 am and sunset at 7:18 pm. On the last day of the month, in Tiverton, sunrise is at 6:40 am and sunset at 6:29 pm EDT.

How long on average sun shines in September in Tiverton?

In September, the average sunshine duration is 8.8h.

What is the UV index intensity in September in Tiverton?

In September, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Tiverton, RI

Average temperature in September - Tiverton, RI
  • Average high temperature in September: 72.1°F

The warmest month (with the highest average high temperature) is July (79.3°F).
The month with the lowest average high temperature is January (36°F).

  • Average low temperature in September: 58.8°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 (25.2°F).

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Average pressure in September
Tiverton, RI

Average pressure in September - Tiverton, 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).

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Average wind speed in September
Tiverton, RI

Average wind speed in September - Tiverton, RI
  • Average wind speed in September: 8.2mph

The windiest months (with the highest average wind speed) are January, February and March (10.9mph).
The calmest month (with the lowest average wind speed) is August (7.3mph).

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Average humidity in September
Tiverton, RI

Average humidity in September - Tiverton, RI
  • Average humidity in September: 78%

The month with the highest relative humidity is June (80%).
The month with the lowest relative humidity is April (73%).

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Average rainfall in September
Tiverton, RI

Average rainfall in September - Tiverton, RI
  • Average rainfall in September: 1.06"

The wettest month (with the highest rainfall) is October (1.97").
The driest month (with the least rainfall) is September (1.06").

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Average rainfall days in September
Tiverton, RI

Average rainfall days in September - Tiverton, RI
  • Average rainfall days in September: 11.2 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is February (6.9 days).

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Average snowfall in September
Tiverton, RI

Average snowfall in September - Tiverton, RI
  • Average snowfall in September: 0"

The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in September
Tiverton, RI

Average snowfall days in September - Tiverton, RI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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Average sea temperature in September
Tiverton, RI

Average sea temperature in September - Tiverton, RI
  • Average sea temperature in September: 66.7°F

The best month for swimming (with the highest average sea temperature) is August (69.3°F).
The coldest month (with the lowest average sea temperature) is February (38.1°F).

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Average daylight in September /
Average sunshine in September
Tiverton, RI

Average daylight in September / Average sunshine in September - Tiverton, RI
  • Average daylight in September: 12h and 28min

The month with the longest days is June (Average daylight: 15h and 9min).
The month with the shortest days is December (Average daylight: 9h and 13min).

  • Average sunshine in September: 8h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in September
Tiverton, RI

Average sunshine days in September - Tiverton, RI
  • Average sunshine days in September: 15.9 days

The month with the most sunshine days is November (19.2 days).
The month with the least sunshine days is April (13.6 days).

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Average UV index in September
Tiverton, RI

Average UV index in September - Tiverton, 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 and December (UV index 2).

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Average cloud cover in September
Tiverton, RI

Average cloud cover in September - Tiverton, RI
  • Average cloud cover in September: 32

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 29).

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Average visibility in September
Tiverton, RI

Average visibility in September - Tiverton, 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).

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