September weather forecastSan Bartolo, Guatemala
September
Weather in September
September, the first month of the autumn in San Bartolo, is also an enjoyable month, with an average temperature varying between 9.8°C (49.6°F) and 16.7°C (62.1°F).Temperature
September, known for its average high temperature of 16.7°C (62.1°F) and an average low temperature of 9.8°C (49.6°F), is the coldest month.Humidity
With an average relative humidity of 93%, September is the most humid month.Rainfall
In September, in San Bartolo, the rain falls for 29.9 days. Throughout September, 471mm (18.54") of precipitation is accumulated. Throughout the year, in San Bartolo, there are 295.3 rainfall days, and 2656mm (104.57") of precipitation is accumulated.Daylight
In San Bartolo, the average length of the day in September is 12h and 13min.On the first day of September in San Bartolo, sunrise is at 05:53 and sunset at 18:17. On the last day of the month, sunrise is at 05:55 and sunset at 17:55 CST.
Sunshine
The months with the least sunshine are June and September, with an average of 5.4h of sunshine.UV index
January, June, August, September and November, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A maximum UV index of 3 in September translates into the following recommendations:
Prioritize safety - Suggestions to prevent sun damage are offered. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
San Bartolo, 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
San Bartolo, 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
San Bartolo, 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
San Bartolo, 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
San Bartolo, 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
San Bartolo, 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
San Bartolo, Guatemala
- Average daylight in September: 12h and 12min
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: 5h and 24min
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
San Bartolo, 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
San Bartolo, 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
San Bartolo, 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
San Bartolo, 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).
