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September Weather in San Dionisio, Nicaragua

Last updated: August 31, 2025

The average temperature in San Dionisio, Nicaragua during September is a pleasant 24°C (76°F), perfect for outdoor adventures. Expect minimum temperatures around 18°C (65°F) and a warm maximum of 33°C (92°F). However, be prepared for some rain, as the region sees about 156 mm (6.2 in) of precipitation over 22 days. With an average humidity of 69%, it's wise to stay hydrated while enjoying the stunning scenery!

September Temperature in San Dionisio

In September in San Dionisio, the average temperature is 24°C (76°F). The maximum can reach 33°C (92°F), and the minimum can be as low as 18°C (65°F). It's the perfect time for travelers to enjoy pleasant weather while exploring all that San Dionisio has to offer.

September Weather in San Dionisio: Daily Temperature Highs, Lows, and Averages

The chart illustrates September temperature patterns in San Dionisio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Dionisio, September typically has an average temperature of 24°C (76°F), with highs reaching up to 33°C (92°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec737475787876767676757473
Data source: Temperature data for San Dionisio generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

September Precipitation in San Dionisio

In San Dionisio in September, the total precipitation amount is 156 mm (6.2 in) spread over 22 days.

September Precipitation Trends in San Dionisio

The chart displays monthly precipitation patterns in San Dionisio, with values for each month alongside September’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how September’s conditions compare to those of other months. In San Dionisio, September typically receives around 156 mm (6.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec1517155926715677921562158918
Data source: Precipitation data for September generated using information from the Copernicus Climate Change Service.
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September Humidity in San Dionisio

In San Dionisio in September humidity is 69%. With an average temperature of 24°C (76°F), this humidity feels like a warm, sticky embrace that can make outdoor activities feel a bit more exhausting, so travelers should stay hydrated and take frequent breaks in the shade.

September Average Humidity in San Dionisio

This chart illustrates the average monthly humidity levels in San Dionisio, with September’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In September, average humidity in San Dionisio is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%54%51%50%50%55%65%64%69%68%61%56%
Data source: Humidity data for September generated using information from the Copernicus Climate Change Service.

September UV Index in San Dionisio

In San Dionisio in September, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in San Dionisio.

Maximum UV Index Levels in San Dionisio for September

The chart shows the monthly maximum UV Index (UVI) for San Dionisio in September, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In September, the maximum UV index in San Dionisio typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111314141413141413131110
Data source: San Dionisio September UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How September Weather in San Dionisio Compares to Other Months

Weather in San Dionisio varies notably across the year, with each month offering distinct climate conditions. This page compares September’s weather to other months in San Dionisio, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in San Dionisio, showing how September’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)15 mm (0.6 inches)56%extreme
February Weather23°C (74°F)17 mm (0.7 inches)54%extreme
March Weather24°C (76°F)15 mm (0.6 inches)51%extreme
April Weather26°C (78°F)59 mm (2.3 inches)50%extreme
May Weather25°C (78°F)266 mm (10.5 inches)50%extreme
June Weather24°C (76°F)156 mm (6.1 inches)55%extreme
July Weather24°C (76°F)77 mm (3.0 inches)65%extreme
August Weather24°C (76°F)91 mm (3.6 inches)64%extreme
September Weather24°C (76°F)156 mm (6.2 inches)69%extreme
October Weather24°C (75°F)215 mm (8.5 inches)68%extreme
November Weather24°C (75°F)88 mm (3.5 inches)61%extreme
December Weather23°C (74°F)18 mm (0.7 inches)56%very high

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