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 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 start of September sees the average high-temperature at a still moderately hot 83.1°F (28.4°C), showing little difference from August's 85.6°F (29.8°C). September's average low-temperature reading in Reseda settles at a refreshing 63°F (17.2°C).Heat index
In September, the average heat index is evaluated at 84.2°F (29°C). Long-standing exposure and activity could induce a feeling of tiredness and lead to heat cramps.Heat index determinations are made taking into account the shade and light air movements. Under direct sunshine, the heat index values might be elevated by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is derived by integrating air temperature with the existing relative humidity to express the perceived warmth. Additional elements encompassing metabolic differences, the degree of physical activity, and attire can impact the individual's perception of temperature. Understand that direct sun rays can influence the weather's impact, leading to an increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are largely significant for babies and toddlers. Young ones often disregard the necessity to rest and hydrate. Thirst usually indicates advanced dehydration - hence, it is key to stay hydrated, particularly during ongoing physical activities.
Humidity
The average relative humidity in September is 52%.Rainfall
In Reseda, during September, the rain falls for 2.6 days and regularly aggregates up to 0.16" (4mm) of precipitation. In Reseda, during the entire year, the rain falls for 42.7 days and collects up to 6.46" (164mm) of precipitation.Snowfall
In Reseda, snow does not fall in January through November.Daylight
The average length of the day in September in Reseda is 12h and 22min.On the first day of the month, sunrise is at 6:28 am and sunset at 7:19 pm. On the last day of September, sunrise is at 6:48 am and sunset at 6:39 pm PDT.
Sunshine
The average sunshine in September in Reseda is 10.8h.UV index
June through September, with an average maximum UV index of 6, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The UV index of 6 during September leads to these advisories:
Elude overexposure. Fair-skinned people could get burnt in less than 20 minutes. The hours from 10 a.m. to 4 p.m. have the most intense UV radiation. As much as possible, limit direct sun exposure during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Frequently asked questions
How hot is it in Reseda in September?
What is the average humidity in September in Reseda?
How many days does it rain in September in Reseda?
When it does not snow in Reseda?
How many hours of daylight does Reseda have in September?
What time are sunrise and sunset in September in Reseda?
How long on average sun shines in September in Reseda?
When is the highest UV index in Reseda?
How high is the UV index in September in Reseda?
Average temperature in September
Reseda, CA
- Average high temperature in September: 83.1°F
The warmest month (with the highest average high temperature) is August (85.6°F).
The month with the lowest average high temperature is December (61.9°F).
- Average low temperature in September: 63°F
The month with the highest average low temperature is August (64.8°F).
The coldest month (with the lowest average low temperature) is December (46.9°F).
Average pressure in September
Reseda, CA
- Average pressure in September: 29.9"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.89"Hg).
Average wind speed in September
Reseda, CA
- Average wind speed in September: 4.5mph
The windiest months (with the highest average wind speed) are January and December (6.1mph).
The calmest month (with the lowest average wind speed) is September (4.5mph).
Average humidity in September
Reseda, CA
- Average humidity in September: 52%
The month with the highest relative humidity is June (59%).
The month with the lowest relative humidity is November (47%).
Average rainfall in September
Reseda, CA
- Average rainfall in September: 0.16"
The wettest month (with the highest rainfall) is February (1.22").
The driest month (with the least rainfall) is June (0.04").
Average rainfall days in September
Reseda, CA
- Average rainfall days in September: 2.6 days
The month with the highest number of rainy days is March (6.5 days).
The month with the least rainy days is June (1.4 days).
Average snowfall days in September
Reseda, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in September /
Average sunshine in September
Reseda, 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 5min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The months with the least sunshine are January, February and December (Average sunshine: 6h and 48min).
Average sunshine days in September
Reseda, CA
- Average sunshine days in September: 25.5 days
The months with the most sunshine days are August and October (27.3 days).
The month with the least sunshine days is February (22 days).
Average UV index in September
Reseda, CA
- Average UV index in September: 6
The months with the highest UV index are June, July, August and September (UV index 6).
The month with the lowest UV index is December (UV index 3).
Average cloud cover in September
Reseda, CA
- Average cloud cover in September: 7
The month with the most cloud cover is March (Cloud cover 22).
The month with the least cloud cover is August (Cloud cover 4).
Average visibility in September
Reseda, 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).
Reseda, California, USA
Weather forecast for your location
2. Allow the app to use your location
