September weather forecastPirara, Guyana
September
Weather in September
The first month of the autumn, September, is still a hot month in Pirara, Guyana, with an average temperature ranging between min 23.2°C (73.8°F) and max 32.5°C (90.5°F).Temperature
September's arrival brings an average high-temperature of a still hot 32.5°C (90.5°F), demonstrating subtle variation from the preceding month. Throughout September, Pirara records an average temperature of 23.2°C (73.8°F) at night.Heat index
For most parts of September, the heat index is calculated to be an extremely hot 42°C (107.6°F). Take extra precautions, as heat cramps and heat exhaustion are possible. Sustained activity may result in heatstroke.Understanding the heat index involves considering values for shaded locales with light wind. The heat index values could be amplified by up to 15 Fahrenheit (8 Celsius) degrees in direct sunlight.
Note: The heat index, also known as 'apparent temperature' or 'felt air temperature', embodies the combination of air temperature and moisture content to illustrate perceived heat. An individual's perception of weather can be swayed by a variety of elements including metabolic differences, pregnancy status, and their level of physical exertion. Realize that direct exposure to sunlight can augment the felt heat, leading to a potential increase in the heat index by 15 Fahrenheit (8 Celsius) degrees. Heat index values are highly critical for babies and toddlers. Kids often lack the knowledge about the necessity to take breaks and consume liquids. Thirst, as a late symptom of dehydration, necessitates the maintenance of hydration, particularly during enduring physical activities.
The physiological way the human body responds to excessive heat is by inducing perspiration, using sweat evaporation as a cooling mechanism. When the relative humidity is high, the evaporation rate is reduced. The warmth is removed from the body at a lower rate, causing the body to retain more heat than it would in dry air. If heat absorption isn't effectively countered by the body's cooling methods, body temperature surges, hinting at potential problems.
Humidity
In Pirara, the average relative humidity in September is 71%.Rainfall
In Pirara, in September, during 20 rainfall days, 66mm (2.6") of precipitation is typically accumulated. In Pirara, during the entire year, the rain falls for 204.4 days and collects up to 941mm (37.05") of precipitation.Snowfall
September is the only month when snow falls. The month with the most snowfall in Pirara is September, when snow falls for 0.1 days and typically aggregates up to 1mm (0.04") of snow.Daylight
In September, the average length of the day is 12h and 8min.On the first day of September in Pirara, sunrise is at 05:53 and sunset at 18:03. On the last day of the month, sunrise is at 05:45 and sunset at 17:51 -04.
Sunshine
In Pirara, the average sunshine in September is 9.8h.UV index
The months with the highest UV index in Pirara are January through May, July through December, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high threat to health from unsafe exposure to UV radiation for average individuals.Note: The daily high UV index of 7 in September translates into this advice:
Stay clear of intense sun exposure. Solar protection is of utmost significance. Stay out of direct sunlight between 10 a.m. and 4 p.m., when UV radiation is most intense, and remember that not all shade structures provide complete protection. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Pirara, Guyana
- Average high temperature in September: 32.5°C
The warmest month (with the highest average high temperature) is March (34.5°C).
The months with the lowest average high temperature are June and July (30°C).
- Average low temperature in September: 23.2°C
The month with the highest average low temperature is April (24°C).
The coldest month (with the lowest average low temperature) is July (22.2°C).
Average pressure in September
Pirara, Guyana
- Average pressure in September: 1011.2mbar
The month with the highest atmospheric pressure is July (1012.9mbar).
The month with the lowest atmospheric pressure is November (1008.8mbar).
Average wind speed in September
Pirara, Guyana
- Average wind speed in September: 8.4km/h
The windiest month (with the highest average wind speed) is February (16.3km/h).
The calmest month (with the lowest average wind speed) is July (7.2km/h).
Average humidity in September
Pirara, Guyana
- Average humidity in September: 71%
The months with the highest relative humidity are June and July (82%).
The month with the lowest relative humidity is March (59%).
Average rainfall in September
Pirara, Guyana
- Average rainfall in September: 66mm
The wettest month (with the highest rainfall) is June (186mm).
The driest month (with the least rainfall) is January (9mm).
Average rainfall days in September
Pirara, Guyana
- Average rainfall days in September: 20 days
The month with the highest number of rainy days is July (27.8 days).
The month with the least rainy days is January (6 days).
Average snowfall in September
Pirara, Guyana
- Average snowfall in September: 1mm
The month with the highest snowfall is September (1mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, October, November and December (0mm).
Average snowfall days in September
Pirara, Guyana
- Average snowfall days in September: 0.1 days
The month with the highest number of snowfall days is September (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, October, November and December (0 days).
Average daylight in September /
Average sunshine in September
Pirara, Guyana
- Average daylight in September: 12h and 6min
The month with the longest days is June (Average daylight: 12h and 18min).
The month with the shortest days is December (Average daylight: 11h and 54min).
- Average sunshine in September: 9h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 7h and 48min).
Average sunshine days in September
Pirara, Guyana
- Average sunshine days in September: 7.2 days
The month with the most sunshine days is January (22.4 days).
The month with the least sunshine days is June (1.9 days).
Average UV index in September
Pirara, Guyana
- Average UV index in September: 7
The months with the highest UV index are January, February, March, April, May, July, August, September, October, November and December (UV index 7).
The month with the lowest UV index is June (UV index 6).
Average cloud cover in September
Pirara, Guyana
- Average cloud cover in September: 30
The month with the most cloud cover is May (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 28).
Average visibility in September
Pirara, Guyana
- Average visibility in September: 10km
The months with the highest visibility are January, February, March, April, September, October, November and December (10km).
The months with the lowest visibility are May, June, July and August (9km).





