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
September
Weather in September
Temperature
September is the coldest month of the year, registering average temperatures as high as 16.7°C (62.1°F) and as low as 9.8°C (49.6°F).Humidity
The most humid month is September, with an average relative humidity of 93%.Rainfall
In Chiul, in September, it is raining for 29.9 days, with typically 471mm (18.54") of accumulated precipitation. Throughout the year, there are 295.3 rainfall days, and 2656mm (104.57") of precipitation is accumulated.Daylight
In Chiul, the average length of the day in September is 12h and 13min.On the first day of September, sunrise is at 05:50 and sunset at 18:14. On the last day of the month, sunrise is at 05:52 and sunset at 17:52 CST.
Sunshine
The months with the least sunshine are June and September, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index in Chiul are January, June, August, September and November, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: In September, the average maximum UV index of 3 translates into the following recommendations:
Exercise prevention - Precautions against solar damage are endorsed. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What part of the year is the coldest?
What is the usual temperature for Chiul in September?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
What is the average length of the day in September?
When are sunrise and sunset in September?
What is the month with the least sunshine?
How long on average sun shines in September?
When is the lowest UV index?
What is the UV index reading in September?
Average temperature in September
Chiul, Guatemala
- Average high temperature in September: 16.7°C
The warmest month (with the highest average high temperature) is April (21°C).
The month with the lowest average high temperature is September (16.7°C).
- Average low temperature in September: 9.8°C
The month with the highest average low temperature is June (10.4°C).
The coldest month (with the lowest average low temperature) is January (6°C).
Average pressure in September
Chiul, Guatemala
- Average pressure in September: 1013.1mbar
The month with the highest atmospheric pressure is January (1016.3mbar).
The month with the lowest atmospheric pressure is May (1013mbar).
Average wind speed in September
Chiul, Guatemala
- Average wind speed in September: 4.6km/h
The windiest month (with the highest average wind speed) is July (6.5km/h).
The calmest month (with the lowest average wind speed) is May (4.4km/h).
Average humidity in September
Chiul, Guatemala
- Average humidity in September: 93%
The month with the highest relative humidity is September (93%).
The months with the lowest relative humidity are March and April (77%).
Average rainfall in September
Chiul, Guatemala
- Average rainfall in September: 471mm
The wettest month (with the highest rainfall) is June (521mm).
The driest month (with the least rainfall) is February (24mm).
Average rainfall days in September
Chiul, Guatemala
- Average rainfall days in September: 29.9 days
The month with the highest number of rainy days is August (30 days).
The month with the least rainy days is February (16 days).
Average daylight in September /
Average sunshine in September
Chiul, Guatemala
- Average daylight in September: 12h and 1min
The month with the longest days is June (Average daylight: 13h and 0min).
The month with the shortest days is December (Average daylight: 11h and 12min).
- Average sunshine in September: 5h and 2min
The month with the most sunshine is April (Average sunshine: 9h and 48min).
The months with the least sunshine are June and September (Average sunshine: 5h and 24min).
Average sunshine days in September
Chiul, Guatemala
- Average sunshine days in September: 0.1 days
The month with the most sunshine days is December (9.5 days).
The month with the least sunshine days is September (0.1 days).
Average UV index in September
Chiul, Guatemala
- Average UV index in September: 3
The months with the highest UV index are February, March, April, May, July, October and December (UV index 4).
The months with the lowest UV index are January, June, August, September and November (UV index 3).
Average cloud cover in September
Chiul, Guatemala
- Average cloud cover in September: 75
The months with the most cloud cover are June and September (Cloud cover 75).
The month with the least cloud cover is March (Cloud cover 41).
Average visibility in September
Chiul, Guatemala
- Average visibility in September: 5km
The month with the highest visibility is April (8km).
The months with the lowest visibility are September and October (5km).
