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
September witnesses a gentle descent in average high-temperature, descending from August's moderately hot 75.7°F (24.3°C) to an agreeable 69.3°F (20.7°C). Nighttime temperature dips to a mean of 59.9°F (15.5°C) during September.Humidity
In Humarock, the average relative humidity in September is 78%.Rainfall
In Humarock, Massachusetts, during September, the rain falls for 10.1 days and regularly aggregates up to 0.83" (21mm) of precipitation. In Humarock, during the entire year, the rain falls for 120.2 days and collects up to 12.24" (311mm) of precipitation.Snowfall
In Humarock, snow does not fall in May through October.Daylight
In September, the average length of the day is 12h and 28min.On the first day of September, sunrise is at 6:08 am and sunset at 7:16 pm. On the last day of the month, sunrise is at 6:39 am and sunset at 6:25 pm EDT.
Sunshine
In Humarock, the average sunshine in September is 8.6h.UV index
The average daily maximum UV index in September is 4. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 4 in September suggests the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are September temperatures in Humarock?
What is the average humidity in September?
How much does it rain in September?
When it does not snow?
How many hours of daylight does Humarock have in September?
When are sunrise and sunset in September in Humarock?
How long on average sun shines in September in Humarock?
What is the UV index reading in September?
Average temperature in September
Humarock, MA
- Average high temperature in September: 69.3°F
The warmest months (with the highest average high temperature) are July and August (75.7°F).
The month with the lowest average high temperature is January (35.8°F).
- Average low temperature in September: 59.9°F
The months with the highest average low temperature are July and August (65.8°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in September
Humarock, MA
- Average pressure in September: 30.05"Hg
The month with the highest atmospheric pressure is November (30.06"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in September
Humarock, MA
- Average wind speed in September: 9.4mph
The windiest month (with the highest average wind speed) is January (13mph).
The calmest month (with the lowest average wind speed) is August (8.1mph).
Average humidity in September
Humarock, MA
- Average humidity in September: 78%
The months with the highest relative humidity are June and July (80%).
The months with the lowest relative humidity are March and November (74%).
Average rainfall in September
Humarock, MA
- Average rainfall in September: 0.83"
The wettest month (with the highest rainfall) is July (1.34").
The driest month (with the least rainfall) is February (0.75").
Average rainfall days in September
Humarock, MA
- Average rainfall days in September: 10.1 days
The month with the highest number of rainy days is July (13.2 days).
The month with the least rainy days is February (6.3 days).
Average snowfall in September
Humarock, MA
- Average snowfall in September: 0"
The month with the highest snowfall is February (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in September
Humarock, MA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Humarock, MA
- Average daylight in September: 12h and 3min
The month with the longest days is June (Average daylight: 15h and 12min).
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 42min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in September
Humarock, MA
- Average sunshine days in September: 18.5 days
The month with the most sunshine days is December (18.9 days).
The month with the least sunshine days is July (15.7 days).
Average UV index in September
Humarock, MA
- Average UV index in September: 4
The months with the highest UV index are 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
Humarock, MA
- Average cloud cover in September: 33
The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in September
Humarock, MA
- 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).
Humarock, Massachusetts, USA
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