September weather forecast
Hope Valley, RI

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Weather in September

September, the first month of the autumn in Hope Valley, is still a pleasant month, with an average temperature ranging between max 72.7°F (22.6°C) and min 57.2°F (14°C).

Temperature

The shift from August to September includes a small decrease in the average high-temperature, from a warm 79.5°F (26.4°C) to an agreeable 72.7°F (22.6°C). Hope Valley witnesses an average low-temperature of 57.2°F (14°C) throughout the month of September.

Humidity

In September, the average relative humidity is 79%.

Rainfall

The month with the least rainfall is September, when the rain falls for 12.5 days and typically collects 1.57" (40mm) of precipitation.

Snowfall

June through October are months without snowfall in Hope Valley, Rhode Island.

Daylight

The average length of the day in September is 12h and 28min.
On the first day of the month, sunrise is at 6:13 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:43 am and sunset at 6:29 pm EDT.

Sunshine

In September, the average sunshine in Hope Valley is 8.6h.

UV index

The average daily maximum UV index in September in Hope Valley is 4. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the ordinary person.
Note: In September, a daily UV index of 4 turns into the following recommendations:
Guard yourself - Precautionary measures against sun damage are advocated. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in September in Hope Valley?

In Hope Valley, in September, the average high-temperature is 72.7°F (22.6°C), and the average low-temperature is 57.2°F (14°C). In July, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is evaluated at 86°F (30°C).

What is the average humidity in September in Hope Valley?

In Hope Valley, Rhode Island, the average relative humidity in September is 79%.

What is the driest month in Hope Valley?

The month with the least rainfall in Hope Valley is September, when the rain falls for 12.5 days and typically collects 1.57" (40mm) of precipitation.

How much does it rain in Hope Valley in September?

In Hope Valley, during September, the rain falls for 12.5 days and regularly aggregates up to 1.57" (40mm) of precipitation.

When it does not snow in Hope Valley?

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

How many hours of daylight does Hope Valley have in September?

In September, the average day length is 12h and 28min.

When is the sunrise / sunset in September in Hope Valley?

In September, on the first day of the month, sunrise is at 6:13 am and sunset at 7:19 pm. On the last day of the month, in Hope Valley, sunrise is at 6:43 am and sunset at 6:29 pm EDT.

How many hours of sunshine does Hope Valley have in September?

The average sunshine duration in September in Hope Valley is 8.6h.

How high is the UV index in September in Hope Valley?

In September, the average daily maximum UV index in Hope Valley is 4. A UV Index value of 3 to 5 symbolizes a moderate health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in September
Hope Valley, RI

Average temperature in September - Hope Valley, RI
  • Average high temperature in September: 72.7°F

The warmest month (with the highest average high temperature) is July (80.6°F).
The month with the lowest average high temperature is January (35.1°F).

  • Average low temperature in September: 57.2°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 (23.7°F).

Average pressure in September
Hope Valley, RI

Average pressure in September - Hope Valley, RI
  • Average pressure in September: 30.05"Hg

The month with the highest atmospheric pressure is November (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).

Average wind speed in September
Hope Valley, RI

Average wind speed in September - Hope Valley, RI
  • Average wind speed in September: 7.1mph

The windiest month (with the highest average wind speed) is January (9.9mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).

Average humidity in September
Hope Valley, RI

Average humidity in September - Hope Valley, RI
  • Average humidity in September: 79%

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

Average rainfall in September
Hope Valley, RI

Average rainfall in September - Hope Valley, RI
  • Average rainfall in September: 1.57"

The wettest month (with the highest rainfall) is December (3.7").
The driest month (with the least rainfall) is September (1.57").

Average rainfall days in September
Hope Valley, RI

Average rainfall days in September - Hope Valley, RI
  • Average rainfall days in September: 12.5 days

The month with the highest number of rainy days is May (16.9 days).
The month with the least rainy days is January (9.1 days).

Average snowfall in September
Hope Valley, RI

Average snowfall in September - Hope Valley, RI
  • Average snowfall in September: 0"

The month with the highest snowfall is March (3.54").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in September
Hope Valley, RI

Average snowfall days in September - Hope Valley, RI
  • Average snowfall days in September: 0 days

The month with the highest number of snowfall days is February (7.4 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
Hope Valley, RI

Average daylight in September / Average sunshine in September - Hope Valley, 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 months with the most sunshine are July and August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in September
Hope Valley, RI

Average sunshine days in September - Hope Valley, RI
  • Average sunshine days in September: 14.7 days

The month with the most sunshine days is November (17.3 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in September
Hope Valley, RI

Average UV index in September - Hope Valley, 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
Hope Valley, RI

Average cloud cover in September - Hope Valley, RI
  • Average cloud cover in September: 35

The month with the most cloud cover is March (Cloud cover 49).
The month with the least cloud cover is August (Cloud cover 32).

Average visibility in September
Hope Valley, RI

Average visibility in September - Hope Valley, 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).

Hope Valley, Rhode Island, USA

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