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 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
Niland's September weather shows a modest shift in high-temperatures, falling from August's blistering 105.4°F (40.8°C) to a sweltering 98.4°F (36.9°C). Nighttime temperature experiences an average drop to a warm 79.7°F (26.5°C) in September.Humidity
The average relative humidity in September is 26%.Rainfall
In September, in Niland, the rain falls for 4.5 days. Throughout September, 0.51" (13mm) of precipitation is accumulated. Throughout the year, in Niland, there are 34.3 rainfall days, and 3.46" (88mm) of precipitation is accumulated.Daylight
In Niland, the average length of the day in September is 12h and 22min.On the first day of September in Niland, sunrise is at 6:16 am and sunset at 7:06 pm. On the last day of the month, sunrise is at 6:36 am and sunset at 6:27 pm PDT.
Sunshine
The average sunshine in September in Niland is 10.2h.UV index
The average daily maximum UV index in September in Niland is 8. A UV Index estimate of 8 to 10 represents a very high health hazard from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 8 during September translates into the following directions:
With the absence of protection, damage to skin and eyes can occur instantly. Ensure precautions are taken. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects.
Frequently asked questions
How hot is it in Niland in September?
What is the average humidity in September in Niland?
How much does it rain in Niland in September?
What is the average length of the day in September in Niland?
What time are sunrise and sunset in September in Niland?
How many hours of sunshine does Niland have in September?
What is the UV index reading in September in Niland?
Average temperature in September
Niland, CA
- Average high temperature in September: 98.4°F
The warmest month (with the highest average high temperature) is July (105.8°F).
The month with the lowest average high temperature is December (65.8°F).
- Average low temperature in September: 79.7°F
The month with the highest average low temperature is August (84.7°F).
The coldest months (with the lowest average low temperature) are January and December (50.4°F).
Average pressure in September
Niland, CA
- Average pressure in September: 29.81"Hg
The month with the highest atmospheric pressure is January (30.08"Hg).
The month with the lowest atmospheric pressure is June (29.77"Hg).
Average wind speed in September
Niland, CA
- Average wind speed in September: 6.3mph
The windiest months (with the highest average wind speed) are April and May (8.1mph).
The calmest month (with the lowest average wind speed) is January (5.5mph).
Average humidity in September
Niland, CA
- Average humidity in September: 26%
The month with the highest relative humidity is December (41%).
The month with the lowest relative humidity is June (22%).
Average rainfall in September
Niland, CA
- Average rainfall in September: 0.51"
The wettest month (with the highest rainfall) is July (0.87").
The driest month (with the least rainfall) is May (0").
Average rainfall days in September
Niland, CA
- Average rainfall days in September: 4.5 days
The month with the highest number of rainy days is July (8.3 days).
The month with the least rainy days is May (0.8 days).
Average daylight in September /
Average sunshine in September
Niland, CA
- Average daylight in September: 12h and 2min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in September: 10h and 1min
The month with the most sunshine is June (Average sunshine: 12h and 12min).
The month with the least sunshine is December (Average sunshine: 7h and 0min).
Average sunshine days in September
Niland, CA
- Average sunshine days in September: 22.7 days
The month with the most sunshine days is May (30 days).
The month with the least sunshine days is July (19 days).
Average UV index in September
Niland, CA
- Average UV index in September: 8
The month with the highest UV index is July (UV index 9).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in September
Niland, CA
- Average cloud cover in September: 7
The month with the most cloud cover is December (Cloud cover 18).
The month with the least cloud cover is June (Cloud cover 5).
Average visibility in September
Niland, 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).
Niland, California, USA
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