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's arrival signals a moderate reduction in the average high-temperature, easing from 84.6°F (29.2°C) in August to a still moderately hot 76.5°F (24.7°C). Montague reports a substantial plunge from daytime highs during the nights of September, with an average low-temperature of 45.1°F (7.3°C).Humidity
In Montague, the average relative humidity in September is 54%.Rainfall
In Montague, during September, the rain falls for 4.3 days and regularly aggregates up to 0.39" (10mm) of precipitation. In Montague, during the entire year, the rain falls for 115.8 days and collects up to 14.96" (380mm) of precipitation.Snowfall
In Montague, snow does not fall in June through September.Daylight
The average length of the day in September in Montague is 12h and 28min.On the first day of the month, sunrise is at 6:36 am and sunset at 7:42 pm. On the last day of September, in Montague, sunrise is at 7:06 am and sunset at 6:52 pm PDT.
Sunshine
The average sunshine in September in Montague, California, is 11h.UV index
In September, the average daily maximum UV index 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 average individuals.Note: In September, a daily UV index of 4 turns into the following recommendations:
Act with care - The suggestion to avoid sunburn is emphasized. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Montague in September?
What is the average humidity in September in Montague?
How much does it rain in Montague in September?
When it does not snow in Montague?
Does it snow in Montague in September?
What is the average length of the day in September in Montague?
When are sunrise and sunset in September in Montague?
How many hours of sunshine does Montague have in September?
What is the UV index intensity in September in Montague?
Average temperature in September
Montague, CA
- Average high temperature in September: 76.5°F
The warmest months (with the highest average high temperature) are July and August (84.6°F).
The month with the lowest average high temperature is December (41.5°F).
- Average low temperature in September: 45.1°F
The month with the highest average low temperature is August (50.7°F).
The coldest month (with the lowest average low temperature) is December (27.1°F).
Average pressure in September
Montague, CA
- Average pressure in September: 29.97"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is August (29.96"Hg).
Average wind speed in September
Montague, CA
- Average wind speed in September: 4.2mph
The windiest month (with the highest average wind speed) is March (5.7mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).
Average humidity in September
Montague, CA
- Average humidity in September: 54%
The month with the highest relative humidity is January (81%).
The month with the lowest relative humidity is August (50%).
Average rainfall in September
Montague, CA
- Average rainfall in September: 0.39"
The wettest month (with the highest rainfall) is December (2.56").
The driest month (with the least rainfall) is July (0.16").
Average rainfall days in September
Montague, CA
- Average rainfall days in September: 4.3 days
The month with the highest number of rainy days is March (17.2 days).
The month with the least rainy days is August (3.5 days).
Average snowfall in September
Montague, CA
- Average snowfall in September: 0"
The month with the highest snowfall is January (4.45").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in September
Montague, CA
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is February (6.9 days).
The months with the least snowfall days are June, July and August (0 days).
Average daylight in September /
Average sunshine in September
Montague, CA
- 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: 11h and 0min
The month with the most sunshine is July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 5h and 42min).
Average sunshine days in September
Montague, CA
- Average sunshine days in September: 24.5 days
The month with the most sunshine days is August (25.3 days).
The month with the least sunshine days is March (11.5 days).
Average UV index in September
Montague, CA
- Average UV index in September: 4
The month with the highest UV index is July (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
Montague, CA
- Average cloud cover in September: 14
The month with the most cloud cover is March (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 8).
Average visibility in September
Montague, CA
- 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).
Montague, California, USA
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