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
Apollo's transition into September involves a gentle shift in temperature, receding from a very hot 95.4°F (35.2°C) in August to a hot 88.3°F (31.3°C). In Apollo, the nighttime temperature averages to a comfortable 67.3°F (19.6°C) during September.Humidity
The average relative humidity in September in Apollo is 27%.Rainfall
In September, the rain falls for 1.9 days. Throughout September, 0.08" (2mm) of precipitation is accumulated. In Apollo, during the entire year, the rain falls for 36.5 days and collects up to 3.11" (79mm) of precipitation.Snowfall
February through October and December are months without snowfall.Daylight
In September, the average length of the day is 12h and 23min.On the first day of the month, sunrise is at 6:20 am and sunset at 7:13 pm. On the last day of September, sunrise is at 6:42 am and sunset at 6:32 pm PDT.
Sunshine
In September, the average sunshine is 10.7h.UV index
In Apollo, California, the average daily maximum UV index in September is 6. A UV Index estimate of 6 to 7 represents a high health hazard from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 6 during September translates into the following directions:
Undertake protective measures and comply with sun safety rules. Shielding against skin and eye damage is essential. Avoid direct exposure to the Sun between 10 a.m. and 4 p.m., the peak period for UV radiation, noting that objects like parasols or canopies might not offer complete sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.
Frequently asked questions
Is it hot in Apollo during September?
What is the average humidity in September in Apollo?
How many days does it rain in September in Apollo?
When it does not snow in Apollo?
How many hours of daylight does Apollo have in September?
When is the sunrise / sunset in September in Apollo?
How long on average sun shines in September in Apollo?
What is the UV index reading in September in Apollo?
Average temperature in September
Apollo, CA
- Average high temperature in September: 88.3°F
The warmest month (with the highest average high temperature) is July (96.4°F).
The month with the lowest average high temperature is December (54.3°F).
- Average low temperature in September: 67.3°F
The month with the highest average low temperature is August (72.9°F).
The coldest month (with the lowest average low temperature) is December (38.7°F).
Average pressure in September
Apollo, CA
- Average pressure in September: 29.85"Hg
The month with the highest atmospheric pressure is January (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.81"Hg).
Average wind speed in September
Apollo, CA
- Average wind speed in September: 8.6mph
The windiest month (with the highest average wind speed) is May (12.6mph).
The calmest month (with the lowest average wind speed) is January (6.3mph).
Average humidity in September
Apollo, CA
- Average humidity in September: 27%
The months with the highest relative humidity are January and December (48%).
The month with the lowest relative humidity is August (23%).
Average rainfall in September
Apollo, CA
- Average rainfall in September: 0.08"
The wettest month (with the highest rainfall) is December (0.55").
The driest month (with the least rainfall) is June (0").
Average rainfall days in September
Apollo, CA
- Average rainfall days in September: 1.9 days
The month with the highest number of rainy days is December (5.6 days).
The month with the least rainy days is June (0.2 days).
Average snowfall in September
Apollo, CA
- Average snowfall in September: 0"
The month with the highest snowfall is November (0.39").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and December (0").
Average snowfall days in September
Apollo, CA
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (0.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in September /
Average sunshine in September
Apollo, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in September: 10h and 4min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 7h and 6min).
Average sunshine days in September
Apollo, CA
- Average sunshine days in September: 27.5 days
The month with the most sunshine days is June (29.8 days).
The month with the least sunshine days is February (22.8 days).
Average UV index in September
Apollo, CA
- Average UV index in September: 6
The month with the highest UV index is July (UV index 8).
The months with the lowest UV index are November and December (UV index 3).
Average cloud cover in September
Apollo, CA
- Average cloud cover in September: 5
The month with the most cloud cover is December (Cloud cover 19).
The months with the least cloud cover are June, August and September (Cloud cover 5).
Average visibility in September
Apollo, 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).
Apollo, California, USA
Weather forecast for your location
2. Allow the app to use your location
