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
On the advent of September, Nimasac's average high-temperature exhibits a minor adjustment to a still pleasant 21°C (69.8°F) from August's 21.9°C (71.4°F). During the nights in September, an average low-temperature of 13.6°C (56.5°F) is observed.Humidity
September is the most humid month, with an average relative humidity of 87%.Rainfall
In Nimasac, in September, during 28.8 rainfall days, 283mm (11.14") of precipitation is typically accumulated. In Nimasac, during the entire year, the rain falls for 263.6 days and collects up to 2061mm (81.14") of precipitation.Daylight
The average length of the day in September is 12h and 13min.On the first day of the month, sunrise is at 05:53 and sunset at 18:17. On the last day of September, sunrise is at 05:55 and sunset at 17:55 CST.
Sunshine
The average sunshine in September is 8.7h.UV index
January through October and December, with an average maximum UV index of 5, are months with the highest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for average individuals.Note: In September, a daily UV index of 5 turns into the following recommendations:
Put precautions into practice - Ensuring skin and eye safety is a necessity. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average September temperature?
What is the most humid month?
What is the average humidity in September?
How much does it rain in September?
How many hours of daylight does Nimasac have in September?
What time are sunrise and sunset in September in Nimasac?
How long on average sun shines in September?
When is the highest UV index?
What is the UV index reading in September?
Average temperature in September
Nimasac, Guatemala
- Average high temperature in September: 21°C
The warmest month (with the highest average high temperature) is April (23.8°C).
The month with the lowest average high temperature is October (20.7°C).
- Average low temperature in September: 13.6°C
The month with the highest average low temperature is May (14.3°C).
The coldest month (with the lowest average low temperature) is January (10.2°C).
Average pressure in September
Nimasac, Guatemala
- Average pressure in September: 1012.7mbar
The month with the highest atmospheric pressure is January (1015.3mbar).
The month with the lowest atmospheric pressure is May (1012.6mbar).
Average wind speed in September
Nimasac, Guatemala
- Average wind speed in September: 4.4km/h
The windiest month (with the highest average wind speed) is January (6.1km/h).
The calmest month (with the lowest average wind speed) is May (4.1km/h).
Average humidity in September
Nimasac, Guatemala
- Average humidity in September: 87%
The month with the highest relative humidity is September (87%).
The month with the lowest relative humidity is March (69%).
Average rainfall in September
Nimasac, Guatemala
- Average rainfall in September: 283mm
The wettest month (with the highest rainfall) is May (372mm).
The driest month (with the least rainfall) is January (14mm).
Average rainfall days in September
Nimasac, Guatemala
- Average rainfall days in September: 28.8 days
The months with the highest number of rainy days are June and October (29.2 days).
The month with the least rainy days is February (10.8 days).
Average daylight in September /
Average sunshine in September
Nimasac, 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 18min).
- Average sunshine in September: 8h and 4min
The month with the most sunshine is April (Average sunshine: 10h and 48min).
The month with the least sunshine is November (Average sunshine: 7h and 12min).
Average sunshine days in September
Nimasac, Guatemala
- Average sunshine days in September: 0.6 days
The month with the most sunshine days is December (13.5 days).
The month with the least sunshine days is October (0.5 days).
Average UV index in September
Nimasac, Guatemala
- Average UV index in September: 5
The months with the highest UV index are January, February, March, April, May, June, July, August, September, October and December (UV index 5).
The month with the lowest UV index is November (UV index 4).
Average cloud cover in September
Nimasac, Guatemala
- Average cloud cover in September: 50
The month with the most cloud cover is June (Cloud cover 51).
The months with the least cloud cover are January and February (Cloud cover 19).
Average visibility in September
Nimasac, Guatemala
- Average visibility in September: 8km
The months with the highest visibility are January, February and March (10km).
The months with the lowest visibility are May, June, August, September and October (8km).
