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 transition into September shows a subtle variation to a moderately hot 83.8°F (28.8°C) from August's 88.9°F (31.6°C) in the average high-temperature. During the month of September, an average temperature of 62.4°F (16.9°C) is noted during the nights.Humidity
In September, the average relative humidity in Forest Falls is 34%.Rainfall
In Forest Falls, during September, the rain falls for 2.5 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Forest Falls, during the entire year, the rain falls for 34.1 days and collects up to 4.49" (114mm) of precipitation.Snowfall
June through October are months without snowfall.Daylight
In September, the average length of the day is 12h and 22min.On the first day of the month, sunrise is at 6:21 am and sunset at 7:13 pm. On the last day of September, in Forest Falls, sunrise is at 6:42 am and sunset at 6:32 pm PDT.
Sunshine
In Forest Falls, California, the average sunshine in September is 10.6h.UV index
In September, the average daily maximum UV index in Forest Falls is 6. A UV Index reading of 6 to 7 represents a high health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 6 in September interprets into the following recommendations:
Shield from overexposure. Defense against sun-related harm is required. Stay in the shade and avoid direct Sun exposure from 10 a.m. to 4 p.m., a period when UV radiation is particularly strong, noting that parasols or canopies may not offer total sun protection. Opt for tightly woven and loose clothing to enhance protection from the Sun.
Frequently asked questions
How hot is September in Forest Falls?
What is the average humidity in September in Forest Falls?
How much does it rain in Forest Falls in September?
When it does not snow in Forest Falls?
How many hours of daylight does Forest Falls have in September?
What time are sunrise and sunset in September in Forest Falls?
How long on average sun shines in September in Forest Falls?
What is the UV index reading in September in Forest Falls?
Average temperature in September
Forest Falls, CA
- Average high temperature in September: 83.8°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is December (52.7°F).
- Average low temperature in September: 62.4°F
The month with the highest average low temperature is August (67.1°F).
The coldest month (with the lowest average low temperature) is December (37.4°F).
Average pressure in September
Forest Falls, CA
- Average pressure in September: 29.85"Hg
The month with the highest atmospheric pressure is January (30.1"Hg).
The month with the lowest atmospheric pressure is June (29.82"Hg).
Average wind speed in September
Forest Falls, CA
- Average wind speed in September: 5.5mph
The windiest month (with the highest average wind speed) is April (7.8mph).
The calmest month (with the lowest average wind speed) is September (5.5mph).
Average humidity in September
Forest Falls, CA
- Average humidity in September: 34%
The month with the highest relative humidity is December (51%).
The month with the lowest relative humidity is August (30%).
Average rainfall in September
Forest Falls, CA
- Average rainfall in September: 0.16"
The wettest months (with the highest rainfall) are February and December (0.63").
The driest month (with the least rainfall) is June (0.08").
Average rainfall days in September
Forest Falls, CA
- Average rainfall days in September: 2.5 days
The month with the highest number of rainy days is July (4.1 days).
The month with the least rainy days is June (1.2 days).
Average snowfall in September
Forest Falls, CA
- Average snowfall in September: 0"
The month with the highest snowfall is April (3.82").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in September
Forest Falls, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is February (3.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
Forest Falls, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Forest Falls, CA
- Average sunshine days in September: 25.9 days
The month with the most sunshine days is October (28.6 days).
The month with the least sunshine days is February (23.7 days).
Average UV index in September
Forest Falls, CA
- Average UV index in September: 6
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in September
Forest Falls, CA
- Average cloud cover in September: 6
The month with the most cloud cover is December (Cloud cover 21).
The months with the least cloud cover are June, August and September (Cloud cover 6).
Average visibility in September
Forest Falls, CA
- 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).
Forest Falls, California, USA
Weather forecast for your location
2. Allow the app to use your location
