September weather forecastJalpan, Mexico
September
Weather in September
September, the first month of the autumn in Jalpan, is also an agreeable month, with an average temperature fluctuating between 21.5°C (70.7°F) and 13.8°C (56.8°F).Temperature
Transitioning from August to September, Jalpan observes an average high-temperature of a still pleasant 21.5°C (70.7°F), differing subtly from the previous month. During the nights in September, Jalpan experiences a consistent average temperature of 13.8°C (56.8°F).Humidity
The most humid month is September, with an average relative humidity of 88%.Rainfall
In Jalpan, in September, during 25.5 rainfall days, 131mm (5.16") of precipitation is typically accumulated. Throughout the year, in Jalpan, there are 238 rainfall days, and 974mm (38.35") of precipitation is accumulated.Snowfall
January through October and December are months without snowfall.Daylight
The average length of the day in September is 12h and 15min.On the first day of September in Jalpan, sunrise is at 6:16 am and sunset at 6:47 pm. On the last day of the month, sunrise is at 6:22 am and sunset at 6:20 pm CST.
Sunshine
The average sunshine in September is 6.9h.UV index
March through September, with an average maximum UV index of 5, are months with the highest UV index in Jalpan. A UV Index value of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for the average person.Note: In September, the maximum UV index of 5 translates into these guidelines:
Act with care - The suggestion to avoid sunburn is emphasized. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. A hat with a broad brim is indispensable, filtering out up to half of UV rays.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
Jalpan, Mexico
- Average high temperature in September: 21.5°C
The warmest month (with the highest average high temperature) is April (24.7°C).
The month with the lowest average high temperature is January (17.7°C).
- Average low temperature in September: 13.8°C
The month with the highest average low temperature is June (13.9°C).
The coldest month (with the lowest average low temperature) is January (7.9°C).
Average pressure in September
Jalpan, Mexico
- Average pressure in September: 1014.9mbar
The month with the highest atmospheric pressure is January (1019.2mbar).
The month with the lowest atmospheric pressure is May (1013.6mbar).
Average wind speed in September
Jalpan, Mexico
- Average wind speed in September: 5.8km/h
The windiest month (with the highest average wind speed) is April (7.6km/h).
The calmest month (with the lowest average wind speed) is September (5.8km/h).
Average humidity in September
Jalpan, Mexico
- Average humidity in September: 88%
The month with the highest relative humidity is September (88%).
The month with the lowest relative humidity is April (69%).
Average rainfall in September
Jalpan, Mexico
- Average rainfall in September: 131mm
The wettest month (with the highest rainfall) is June (143mm).
The driest month (with the least rainfall) is December (23mm).
Average rainfall days in September
Jalpan, Mexico
- Average rainfall days in September: 25.5 days
The month with the highest number of rainy days is July (26.2 days).
The month with the least rainy days is December (14.2 days).
Average snowfall in September
Jalpan, Mexico
- Average snowfall in September: 0mm
The month with the highest snowfall is November (7mm).
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and December (0mm).
Average snowfall days in September
Jalpan, Mexico
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is November (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and December (0 days).
Average daylight in September /
Average sunshine in September
Jalpan, Mexico
- Average daylight in September: 12h and 18min
The month with the longest days is June (Average daylight: 13h and 24min).
The month with the shortest days is December (Average daylight: 10h and 54min).
- Average sunshine in September: 6h and 54min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is November (Average sunshine: 6h and 6min).
Average sunshine days in September
Jalpan, Mexico
- Average sunshine days in September: 3.6 days
The month with the most sunshine days is January (11.9 days).
The month with the least sunshine days is September (3.6 days).
Average UV index in September
Jalpan, Mexico
- Average UV index in September: 5
The months with the highest UV index are March, April, May, June, July, August and September (UV index 5).
The months with the lowest UV index are January, February, October, November and December (UV index 4).
Average cloud cover in September
Jalpan, Mexico
- Average cloud cover in September: 58
The month with the most cloud cover is September (Cloud cover 58).
The month with the least cloud cover is April (Cloud cover 30).
Average visibility in September
Jalpan, Mexico
- Average visibility in September: 7km
The month with the highest visibility is April (9km).
The month with the lowest visibility is November (6km).
